[{"user_id":"77439","department":[{"_id":"27"},{"_id":"518"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"63890","status":"public","type":"conference","main_file_link":[{"url":"https://dl.acm.org/doi/10.1145/3748173.3779198"}],"doi":"10.1145/3748173.3779198","author":[{"full_name":"Stachura, Philip","last_name":"Stachura","first_name":"Philip"},{"first_name":"Xin","last_name":"Wu","id":"77439","full_name":"Wu, Xin"},{"full_name":"Plessl, Christian","id":"16153","orcid":"0000-0001-5728-9982","last_name":"Plessl","first_name":"Christian"},{"first_name":"Zhenman","full_name":"Fang, Zhenman","last_name":"Fang"}],"date_updated":"2026-02-09T09:16:32Z","citation":{"apa":"Stachura, P., Wu, X., Plessl, C., &#38; Fang, Z. (2026). SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry. <i>Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)</i>, 224–234. <a href=\"https://doi.org/10.1145/3748173.3779198\">https://doi.org/10.1145/3748173.3779198</a>","mla":"Stachura, Philip, et al. “SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry.” <i>Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)</i>, Association for Computing Machinery, 2026, pp. 224–34, doi:<a href=\"https://doi.org/10.1145/3748173.3779198\">10.1145/3748173.3779198</a>.","bibtex":"@inproceedings{Stachura_Wu_Plessl_Fang_2026, place={New York, NY, USA}, title={SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry}, DOI={<a href=\"https://doi.org/10.1145/3748173.3779198\">10.1145/3748173.3779198</a>}, booktitle={Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)}, publisher={Association for Computing Machinery}, author={Stachura, Philip and Wu, Xin and Plessl, Christian and Fang, Zhenman}, year={2026}, pages={224–234} }","short":"P. Stachura, X. Wu, C. Plessl, Z. Fang, in: Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26), Association for Computing Machinery, New York, NY, USA, 2026, pp. 224–234.","ieee":"P. Stachura, X. Wu, C. Plessl, and Z. Fang, “SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry,” in <i>Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)</i>, 2026, pp. 224–234, doi: <a href=\"https://doi.org/10.1145/3748173.3779198\">10.1145/3748173.3779198</a>.","chicago":"Stachura, Philip, Xin Wu, Christian Plessl, and Zhenman Fang. “SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry.” In <i>Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)</i>, 224–34. New York, NY, USA: Association for Computing Machinery, 2026. <a href=\"https://doi.org/10.1145/3748173.3779198\">https://doi.org/10.1145/3748173.3779198</a>.","ama":"Stachura P, Wu X, Plessl C, Fang Z. SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry. In: <i>Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA ’26)</i>. Association for Computing Machinery; 2026:224-234. doi:<a href=\"https://doi.org/10.1145/3748173.3779198\">10.1145/3748173.3779198</a>"},"page":"224-234","place":"New York, NY, USA","publication_status":"published","publication_identifier":{"isbn":["9798400720796"]},"language":[{"iso":"eng"}],"keyword":["electron repulsion integrals","quantum chemistry","atomistic simulation","overlay architecture","fpga acceleration"],"abstract":[{"lang":"eng","text":"The computation of highly contracted electron repulsion integrals (ERIs) is essential to achieve quantum accuracy in atomistic simulations based on quantum mechanics. Its growing computational demands make energy efficiency a critical concern. Recent studies demonstrate FPGAs’ superior performance and energy efficiency for computing primitive ERIs, but the computation of highly contracted ERIs introduces significant algorithmic complexity and new design challenges for FPGA acceleration.In this work, we present SORCERI, the first streaming overlay acceleration for highly contracted ERI computations on FPGAs. SORCERI introduces a novel streaming Rys computing unit to calculate roots and weights of Rys polynomials on-chip, and a streaming contraction unit for the contraction of primitive ERIs. This shifts the design bottleneck from limited CPU-FPGA communication bandwidth to available FPGA computation resources. To address practical deployment challenges for a large number of quartet classes, we design three streaming overlays, together with an efficient memory transpose optimization, to cover the 21 most commonly used quartet classes in realistic atomistic simulations. To address the new computation constraints, we use flexible calculation stages with a free-running streaming architecture to achieve high DSP utilization and good timing closure.Experiments demonstrate that SORCERI achieves an average 5.96x, 1.99x, and 1.16x better performance per watt than libint on a 64-core AMD EPYC 7713 CPU, libintx on an Nvidia A40 GPU, and SERI, the prior best-performing FPGA design for primitive ERIs. Furthermore, SORCERI reaches a peak throughput of 44.11 GERIS (109 ERIs per second) that is 1.52x, 1.13x, and 1.93x greater than libint, libintx and SERI, respectively. SORCERI will be released soon at https://github.com/SFU-HiAccel/SORCERI."}],"publication":"Proceedings of the 2026 ACM/SIGDA International Symposium on Field Programmable Gate Arrays (FPGA '26)","title":"SORCERI: Streaming Overlay Acceleration for Highly Contracted Electron Repulsion Integral Computations in Quantum Chemistry","date_created":"2026-02-06T06:43:22Z","publisher":"Association for Computing Machinery","year":"2026"},{"title":"Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory","doi":"10.1109/icfpt67023.2025.00027","publisher":"IEEE","date_updated":"2026-03-24T09:04:31Z","author":[{"first_name":"Abdul Rehman","last_name":"Tareen","id":"76938","full_name":"Tareen, Abdul Rehman"},{"full_name":"Plessl, Christian","id":"16153","orcid":"0000-0001-5728-9982","last_name":"Plessl","first_name":"Christian"},{"full_name":"Kenter, Tobias","id":"3145","last_name":"Kenter","first_name":"Tobias"}],"date_created":"2026-03-24T09:02:22Z","year":"2026","citation":{"chicago":"Tareen, Abdul Rehman, Christian Plessl, and Tobias Kenter. “Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory.” In <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE, 2026. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">https://doi.org/10.1109/icfpt67023.2025.00027</a>.","ieee":"A. R. Tareen, C. Plessl, and T. Kenter, “Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory,” 2026, doi: <a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">10.1109/icfpt67023.2025.00027</a>.","bibtex":"@inproceedings{Tareen_Plessl_Kenter_2026, title={Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory}, DOI={<a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">10.1109/icfpt67023.2025.00027</a>}, booktitle={2025 International Conference on Field Programmable Technology (ICFPT)}, publisher={IEEE}, author={Tareen, Abdul Rehman and Plessl, Christian and Kenter, Tobias}, year={2026} }","short":"A.R. Tareen, C. Plessl, T. Kenter, in: 2025 International Conference on Field Programmable Technology (ICFPT), IEEE, 2026.","mla":"Tareen, Abdul Rehman, et al. “Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory.” <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>, IEEE, 2026, doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">10.1109/icfpt67023.2025.00027</a>.","ama":"Tareen AR, Plessl C, Kenter T. Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory. In: <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE; 2026. doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">10.1109/icfpt67023.2025.00027</a>","apa":"Tareen, A. R., Plessl, C., &#38; Kenter, T. (2026). Fast Multi-Tau Correlators on FPGA with Context Switching From and to High- Bandwidth Memory. <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00027\">https://doi.org/10.1109/icfpt67023.2025.00027</a>"},"publication_status":"published","language":[{"iso":"eng"}],"_id":"65101","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"department":[{"_id":"27"},{"_id":"518"}],"user_id":"3145","abstract":[{"lang":"eng","text":"Various methods to measure the dynamic behavior of particles require the calculation of autocorrelation functions. For this purpose, fast multi-tau correlators have been developed in dedicated hardware, in software, and on FPGAs. However, for methods such as X-ray Photon Correlation Spectroscopy (XPCS), which requires to calculate the autocorrelation function independently for hundreds of thousands to millions of pixels from high-resolution detectors, current approaches rely on offline processing after data acquisition. Moreover, the internal pipeline state of so many independent correlators is far too large to keep it on-chip. In this work, we propose a design approach on FPGAs, where pipeline contexts are stored in off-chip HBM memory. Each compute unit iteratively loads the state for a single pixel, processes a short time series for this pixel, and afterwards writes back the context in a dataflow pipeline. We have implemented the required compute kernels with Vitis HLS and analyze resulting designs on an Alveo U280 card. The design achieves the expected performance and for the first time provides sufficient throughput for current high-end detectors used in XPCS."}],"status":"public","publication":"2025 International Conference on Field Programmable Technology (ICFPT)","type":"conference"},{"status":"public","type":"conference_abstract","language":[{"iso":"eng"}],"project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"65267","user_id":"50519","department":[{"_id":"9"},{"_id":"831"}],"year":"2026","citation":{"chicago":"Hollenhorst, Viola, Julia Riese, and Eugeny Y. Kenig. “Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels,” 2026.","ieee":"V. Hollenhorst, J. Riese, and E. Y. Kenig, “Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels,” presented at the Annual Meeting of the DECHEMA/VDI Specialist Groups Fluid Separations and Heat &#38; Mass Transfer, Luzern, Schweiz, 2026.","ama":"Hollenhorst V, Riese J, Kenig EY. Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels. In: ; 2026.","bibtex":"@inproceedings{Hollenhorst_Riese_Kenig_2026, title={Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels}, author={Hollenhorst, Viola and Riese, Julia and Kenig, Eugeny Y.}, year={2026} }","short":"V. Hollenhorst, J. Riese, E.Y. Kenig, in: 2026.","mla":"Hollenhorst, Viola, et al. <i>Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels</i>. 2026.","apa":"Hollenhorst, V., Riese, J., &#38; Kenig, E. Y. (2026). <i>Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels</i>. Annual Meeting of the DECHEMA/VDI Specialist Groups Fluid Separations and Heat &#38; Mass Transfer, Luzern, Schweiz."},"title":"Investigation of Surface Roughness Effects on Flow Patterns and Thermal Performance in Additively Manufactured Channels","conference":{"location":"Luzern, Schweiz","end_date":"2026-03-11","start_date":"2026-03-09","name":"Annual Meeting of the DECHEMA/VDI Specialist Groups Fluid Separations and Heat & Mass Transfer"},"date_updated":"2026-04-01T06:56:44Z","author":[{"first_name":"Viola","id":"50519","full_name":"Hollenhorst, Viola","last_name":"Hollenhorst"},{"first_name":"Julia","last_name":"Riese","orcid":"0000-0002-3053-0534","full_name":"Riese, Julia","id":"101499"},{"last_name":"Kenig","full_name":"Kenig, Eugeny Y.","id":"665","first_name":"Eugeny Y."}],"date_created":"2026-04-01T06:44:05Z"},{"status":"public","type":"journal_article","publication":"Discover Mechanical Engineering","article_type":"original","language":[{"iso":"eng"}],"project":[{"_id":"140","name":"TRR 285 - Subproject B01"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"TRR 285:  Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"65435","user_id":"76837","department":[{"_id":"149"}],"year":"2026","citation":{"short":"D.R. Devulapally, T. Tröster, Discover Mechanical Engineering 5 (2026).","bibtex":"@article{Devulapally_Tröster_2026, title={Improving the load-bearing capacity of clinched joints through cavity filling with structural epoxy adhesive.}, volume={5}, DOI={<a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>}, journal={Discover Mechanical Engineering}, publisher={Springer Nature}, author={Devulapally, Deekshith Reddy and Tröster, Thomas}, year={2026} }","mla":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Improving the Load-Bearing Capacity of Clinched Joints through Cavity Filling with Structural Epoxy Adhesive.” <i>Discover Mechanical Engineering</i>, vol. 5, Springer Nature, 2026, doi:<a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>.","apa":"Devulapally, D. R., &#38; Tröster, T. (2026). Improving the load-bearing capacity of clinched joints through cavity filling with structural epoxy adhesive. <i>Discover Mechanical Engineering</i>, <i>5</i>. <a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>","ama":"Devulapally DR, Tröster T. Improving the load-bearing capacity of clinched joints through cavity filling with structural epoxy adhesive. <i>Discover Mechanical Engineering</i>. 2026;5. doi:<a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>","chicago":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Improving the Load-Bearing Capacity of Clinched Joints through Cavity Filling with Structural Epoxy Adhesive.” <i>Discover Mechanical Engineering</i> 5 (2026). <a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>.","ieee":"D. R. Devulapally and T. Tröster, “Improving the load-bearing capacity of clinched joints through cavity filling with structural epoxy adhesive.,” <i>Discover Mechanical Engineering</i>, vol. 5, 2026, doi: <a href=\"https://doi.org/10.1007/s44245-026-00223-w\">https://doi.org/10.1007/s44245-026-00223-w</a>."},"intvolume":"         5","publication_status":"published","title":"Improving the load-bearing capacity of clinched joints through cavity filling with structural epoxy adhesive.","doi":"https://doi.org/10.1007/s44245-026-00223-w","date_updated":"2026-04-14T13:07:17Z","publisher":"Springer Nature","author":[{"full_name":"Devulapally, Deekshith Reddy","id":"76837","last_name":"Devulapally","first_name":"Deekshith Reddy"},{"last_name":"Tröster","id":"553","full_name":"Tröster, Thomas","first_name":"Thomas"}],"date_created":"2026-04-14T13:05:24Z","volume":5},{"year":"2026","citation":{"mla":"Devulapally, Deekshith Reddy, and Thomas Tröster. “A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints.” <i>Materials Science Forum</i>, vol. 1185, Trans Tech Publications, Ltd., 2026, pp. 161–69, doi:<a href=\"https://doi.org/10.4028/p-0tiihi\">10.4028/p-0tiihi</a>.","bibtex":"@inproceedings{Devulapally_Tröster_2026, title={A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints}, volume={1185}, DOI={<a href=\"https://doi.org/10.4028/p-0tiihi\">10.4028/p-0tiihi</a>}, booktitle={Materials Science Forum}, publisher={Trans Tech Publications, Ltd.}, author={Devulapally, Deekshith Reddy and Tröster, Thomas}, year={2026}, pages={161–169} }","short":"D.R. Devulapally, T. Tröster, in: Materials Science Forum, Trans Tech Publications, Ltd., 2026, pp. 161–169.","apa":"Devulapally, D. R., &#38; Tröster, T. (2026). A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints. <i>Materials Science Forum</i>, <i>1185</i>, 161–169. <a href=\"https://doi.org/10.4028/p-0tiihi\">https://doi.org/10.4028/p-0tiihi</a>","ama":"Devulapally DR, Tröster T. A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints. In: <i>Materials Science Forum</i>. Vol 1185. Trans Tech Publications, Ltd.; 2026:161-169. doi:<a href=\"https://doi.org/10.4028/p-0tiihi\">10.4028/p-0tiihi</a>","ieee":"D. R. Devulapally and T. Tröster, “A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints,” in <i>Materials Science Forum</i>, 2026, vol. 1185, pp. 161–169, doi: <a href=\"https://doi.org/10.4028/p-0tiihi\">10.4028/p-0tiihi</a>.","chicago":"Devulapally, Deekshith Reddy, and Thomas Tröster. “A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints.” In <i>Materials Science Forum</i>, 1185:161–69. Trans Tech Publications, Ltd., 2026. <a href=\"https://doi.org/10.4028/p-0tiihi\">https://doi.org/10.4028/p-0tiihi</a>."},"intvolume":"      1185","page":"161-169","publication_status":"published","publication_identifier":{"issn":["1662-9752"]},"title":"A Numerical Study on the Mutual Influence of Joint Orientation and Component Geometry in Non-Rotationally Symmetric Clinched Joints","doi":"10.4028/p-0tiihi","date_updated":"2026-04-22T08:30:15Z","publisher":"Trans Tech Publications, Ltd.","date_created":"2026-04-22T08:19:27Z","author":[{"last_name":"Devulapally","full_name":"Devulapally, Deekshith Reddy","first_name":"Deekshith Reddy"},{"first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas"}],"volume":1185,"abstract":[{"lang":"eng","text":"<jats:p>Clinched joints with non-rotationally symmetric geometries exhibit orientation-dependent mechanical behavior that is commonly neglected in structural-scale simulations. Reuleaux triangle shaped clinched joints, in particular, show pronounced in-plane anisotropy depending on their orientation. While such effects have been studied at joint and specimen scale, their relevance at the structural level remains largely unexplored. In this work, the influence of joint orientation on the bending response of a joined structure is investigated using numerical simulations. A simplified joint replacement model based on the *CONSTRAINED_SPR2 point-connector formulation in LS-DYNA is employed, with parameters calibrated from previously obtained experimental force displacement data. A hat shaped profile structure subjected to three-point bending is analyzed in a parametric study considering variations in joint orientation, joint spacing, and profile geometry. The results show that joint orientation has little influence during the initial deformation phase but becomes increasingly significant at larger displacements, where joint behavior governs load transfer. Orientation dependent effects are found to influence the global force displacement response and local load redistribution among joints, with magnitudes comparable to those induced by changes in joint spacing and structural geometry. The findings confirm that joint orientation effects remain relevant at the structural level and should be considered in the design of structures assembled using non-rotationally symmetric clinched joints.</jats:p>"}],"status":"public","type":"conference","publication":"Materials Science Forum","language":[{"iso":"eng"}],"project":[{"name":"TRR 285:  Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"},{"name":"TRR 285 - Subproject B01","_id":"140"},{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"65483","user_id":"76837","department":[{"_id":"149"},{"_id":"321"},{"_id":"9"}]},{"publication_status":"submitted","publication_identifier":{"issn":["1936-7406"]},"citation":{"apa":"Umuroglu, Y., Berganski, C., Jentzsch, F., Danilowicz, M., Kryjak, T., Bezaitis, C., Sjalander, M., Colbert, I., Preusser, T., Petri-Koenig, J., &#38; Blott, M. (n.d.). SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators. <i>ACM Transactions on Reconfigurable Technology and Systems</i>. <a href=\"https://doi.org/10.1145/3807510\">https://doi.org/10.1145/3807510</a>","short":"Y. Umuroglu, C. Berganski, F. Jentzsch, M. Danilowicz, T. Kryjak, C. Bezaitis, M. Sjalander, I. Colbert, T. Preusser, J. Petri-Koenig, M. Blott, ACM Transactions on Reconfigurable Technology and Systems (n.d.).","mla":"Umuroglu, Yaman, et al. “SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators.” <i>ACM Transactions on Reconfigurable Technology and Systems</i>, doi:<a href=\"https://doi.org/10.1145/3807510\">10.1145/3807510</a>.","bibtex":"@article{Umuroglu_Berganski_Jentzsch_Danilowicz_Kryjak_Bezaitis_Sjalander_Colbert_Preusser_Petri-Koenig_et al., title={SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators}, DOI={<a href=\"https://doi.org/10.1145/3807510\">10.1145/3807510</a>}, journal={ACM Transactions on Reconfigurable Technology and Systems}, author={Umuroglu, Yaman and Berganski, Christoph and Jentzsch, Felix and Danilowicz, Michal and Kryjak, Tomasz and Bezaitis, Charalampos and Sjalander, Magnus and Colbert, Ian and Preusser, Thomas and Petri-Koenig, Jakoba and et al.} }","ieee":"Y. Umuroglu <i>et al.</i>, “SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators,” <i>ACM Transactions on Reconfigurable Technology and Systems</i>, doi: <a href=\"https://doi.org/10.1145/3807510\">10.1145/3807510</a>.","chicago":"Umuroglu, Yaman, Christoph Berganski, Felix Jentzsch, Michal Danilowicz, Tomasz Kryjak, Charalampos Bezaitis, Magnus Sjalander, et al. “SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators.” <i>ACM Transactions on Reconfigurable Technology and Systems</i>, n.d. <a href=\"https://doi.org/10.1145/3807510\">https://doi.org/10.1145/3807510</a>.","ama":"Umuroglu Y, Berganski C, Jentzsch F, et al. SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators. <i>ACM Transactions on Reconfigurable Technology and Systems</i>. doi:<a href=\"https://doi.org/10.1145/3807510\">10.1145/3807510</a>"},"year":"2026","date_created":"2025-09-08T14:10:39Z","author":[{"first_name":"Yaman","full_name":"Umuroglu, Yaman","last_name":"Umuroglu"},{"first_name":"Christoph","last_name":"Berganski","full_name":"Berganski, Christoph","id":"98854"},{"first_name":"Felix","id":"55631","full_name":"Jentzsch, Felix","last_name":"Jentzsch","orcid":"0000-0003-4987-5708"},{"last_name":"Danilowicz","full_name":"Danilowicz, Michal","first_name":"Michal"},{"first_name":"Tomasz","full_name":"Kryjak, Tomasz","last_name":"Kryjak"},{"first_name":"Charalampos","full_name":"Bezaitis, Charalampos","last_name":"Bezaitis"},{"last_name":"Sjalander","full_name":"Sjalander, Magnus","first_name":"Magnus"},{"full_name":"Colbert, Ian","last_name":"Colbert","first_name":"Ian"},{"last_name":"Preusser","full_name":"Preusser, Thomas","first_name":"Thomas"},{"last_name":"Petri-Koenig","full_name":"Petri-Koenig, Jakoba","first_name":"Jakoba"},{"first_name":"Michaela","last_name":"Blott","full_name":"Blott, Michaela"}],"date_updated":"2026-04-27T14:13:50Z","doi":"10.1145/3807510","title":"SIRA: Scaled-Integer Range Analysis for Optimizing FPGA Dataflow Neural Network Accelerators","type":"journal_article","publication":"ACM Transactions on Reconfigurable Technology and Systems","status":"public","abstract":[{"text":"While neural network quantization effectively reduces the cost of matrix multiplications, aggressive quantization can expose non-matrix-multiply operations as significant performance and resource bottlenecks on embedded systems. Addressing such bottlenecks requires a comprehensive approach to tailoring the precision across operations in the inference computation. To this end, we introduce scaled-integer range analysis (SIRA), a static analysis technique employing interval arithmetic to determine the range, scale, and bias for tensors in quantized neural networks. We show how this information can be exploited to reduce the resource footprint of FPGA dataflow neural network accelerators via tailored bitwidth adaptation for accumulators and downstream operations, aggregation of scales and biases, and conversion of consecutive elementwise operations to thresholding operations. We integrate SIRA-driven optimizations into the open-source FINN framework, then evaluate their effectiveness across a range of quantized neural network workloads and compare implementation alternatives for non-matrix-multiply operations. We demonstrate an average reduction of 17\\% for LUTs, 66\\% for DSPs, and 22\\% for accumulator bitwidths with SIRA optimizations, providing detailed benchmark analysis and analytical models to guide the implementation style for non-matrix layers. Finally, we open-source SIRA to facilitate community exploration of its benefits across various applications and hardware platforms.","lang":"eng"}],"user_id":"55631","department":[{"_id":"78"}],"project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"61152","language":[{"iso":"eng"}]},{"publication":"2025 International Conference on Field Programmable Technology (ICFPT)","type":"conference","status":"public","department":[{"_id":"78"}],"user_id":"55631","_id":"65501","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"language":[{"iso":"eng"}],"publication_status":"published","citation":{"mla":"Stasytis, Lukas, et al. “Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs.” <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>, IEEE, 2026, doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">10.1109/icfpt67023.2025.00032</a>.","short":"L. Stasytis, F. Jentzsch, T. Preusser, Y. Umuroglu, J. Petri-Koenig, Z. István, in: 2025 International Conference on Field Programmable Technology (ICFPT), IEEE, 2026.","bibtex":"@inproceedings{Stasytis_Jentzsch_Preusser_Umuroglu_Petri-Koenig_István_2026, title={Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs}, DOI={<a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">10.1109/icfpt67023.2025.00032</a>}, booktitle={2025 International Conference on Field Programmable Technology (ICFPT)}, publisher={IEEE}, author={Stasytis, Lukas and Jentzsch, Felix and Preusser, Thomas and Umuroglu, Yaman and Petri-Koenig, Jakoba and István, Zsolt}, year={2026} }","apa":"Stasytis, L., Jentzsch, F., Preusser, T., Umuroglu, Y., Petri-Koenig, J., &#38; István, Z. (2026). Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs. <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">https://doi.org/10.1109/icfpt67023.2025.00032</a>","ama":"Stasytis L, Jentzsch F, Preusser T, Umuroglu Y, Petri-Koenig J, István Z. Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs. In: <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE; 2026. doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">10.1109/icfpt67023.2025.00032</a>","ieee":"L. Stasytis, F. Jentzsch, T. Preusser, Y. Umuroglu, J. Petri-Koenig, and Z. István, “Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs,” 2026, doi: <a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">10.1109/icfpt67023.2025.00032</a>.","chicago":"Stasytis, Lukas, Felix Jentzsch, Thomas Preusser, Yaman Umuroglu, Jakoba Petri-Koenig, and Zsolt István. “Heuristic &#38;amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs.” In <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE, 2026. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00032\">https://doi.org/10.1109/icfpt67023.2025.00032</a>."},"year":"2026","author":[{"last_name":"Stasytis","full_name":"Stasytis, Lukas","first_name":"Lukas"},{"full_name":"Jentzsch, Felix","id":"55631","last_name":"Jentzsch","orcid":"0000-0003-4987-5708","first_name":"Felix"},{"first_name":"Thomas","full_name":"Preusser, Thomas","last_name":"Preusser"},{"last_name":"Umuroglu","full_name":"Umuroglu, Yaman","first_name":"Yaman"},{"last_name":"Petri-Koenig","full_name":"Petri-Koenig, Jakoba","first_name":"Jakoba"},{"first_name":"Zsolt","last_name":"István","full_name":"István, Zsolt"}],"date_created":"2026-04-27T14:24:25Z","publisher":"IEEE","date_updated":"2026-04-27T14:25:51Z","doi":"10.1109/icfpt67023.2025.00032","title":"Heuristic &amp; Expert-Guided Buffer Sizing for Neural Network Inference Applications on FPGAs"},{"publication_status":"published","citation":{"apa":"Jentzsch, F., &#38; Platzner, M. (2026). Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators. <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">https://doi.org/10.1109/icfpt67023.2025.00044</a>","short":"F. Jentzsch, M. Platzner, in: 2025 International Conference on Field Programmable Technology (ICFPT), IEEE, 2026.","bibtex":"@inproceedings{Jentzsch_Platzner_2026, title={Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators}, DOI={<a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">10.1109/icfpt67023.2025.00044</a>}, booktitle={2025 International Conference on Field Programmable Technology (ICFPT)}, publisher={IEEE}, author={Jentzsch, Felix and Platzner, Marco}, year={2026} }","mla":"Jentzsch, Felix, and Marco Platzner. “Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators.” <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>, IEEE, 2026, doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">10.1109/icfpt67023.2025.00044</a>.","chicago":"Jentzsch, Felix, and Marco Platzner. “Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators.” In <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE, 2026. <a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">https://doi.org/10.1109/icfpt67023.2025.00044</a>.","ieee":"F. Jentzsch and M. Platzner, “Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators,” 2026, doi: <a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">10.1109/icfpt67023.2025.00044</a>.","ama":"Jentzsch F, Platzner M. Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators. In: <i>2025 International Conference on Field Programmable Technology (ICFPT)</i>. IEEE; 2026. doi:<a href=\"https://doi.org/10.1109/icfpt67023.2025.00044\">10.1109/icfpt67023.2025.00044</a>"},"year":"2026","author":[{"first_name":"Felix","last_name":"Jentzsch","orcid":"0000-0003-4987-5708","id":"55631","full_name":"Jentzsch, Felix"},{"id":"398","full_name":"Platzner, Marco","last_name":"Platzner","first_name":"Marco"}],"date_created":"2026-04-27T14:22:50Z","publisher":"IEEE","date_updated":"2026-04-27T14:26:01Z","doi":"10.1109/icfpt67023.2025.00044","title":"Empirical QoR Estimation Flow for Fast Design Space Exploration of DNN Dataflow Accelerators","publication":"2025 International Conference on Field Programmable Technology (ICFPT)","type":"conference","status":"public","department":[{"_id":"78"}],"user_id":"55631","_id":"65500","project":[{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"language":[{"iso":"eng"}]},{"abstract":[{"lang":"eng","text":"Orbital angular momentum (OAM) modes are an important resource used in various branches of quantum science and technology due to their unique helical structure and countably infinite basis. Generating light that simultaneously carries high-order orbital angular momenta and exhibits quantum correlations is a challenging task. In this work, we present a theoretical approach to the generation of correlated Schmidt modes carrying OAM via parametric down-conversion (PDC) in cascaded nonlinear systems (nonlinear interferometers) pumped by Laguerre–Gaussian beams. We demonstrate how the number of generated modes and their population can be controlled by varying the pump parameters, the gain of the PDC process, and the distance between the crystals. We investigate the angular displacement measurement uncertainty of these interferometers and demonstrate that it can overcome the classical shot noise limit."}],"publication":"APL Photonics","language":[{"iso":"eng"}],"year":"2025","issue":"1","title":"Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams","publisher":"AIP Publishing","date_created":"2026-01-26T15:48:54Z","status":"public","type":"journal_article","article_type":"original","article_number":"016112","_id":"63744","project":[{"_id":"53","name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen"},{"_id":"56","name":"TRR 142 - Project Area C"},{"_id":"174","name":"TRR 142 ; TP: C10: Erzeugung und Charakterisierung von Quantenlicht in nichtlinearen Systemen: Eine theoretische Analyse"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"35"},{"_id":"429"}],"user_id":"55907","intvolume":"        10","citation":{"short":"D. Scharwald, L. Gehse, P. Sharapova, APL Photonics 10 (2025).","mla":"Scharwald, Dennis, et al. “Schmidt Modes Carrying Orbital Angular Momentum Generated by Cascaded Systems Pumped with Laguerre–Gaussian Beams.” <i>APL Photonics</i>, vol. 10, no. 1, 016112, AIP Publishing, 2025, doi:<a href=\"https://doi.org/10.1063/5.0229802\">10.1063/5.0229802</a>.","bibtex":"@article{Scharwald_Gehse_Sharapova_2025, title={Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams}, volume={10}, DOI={<a href=\"https://doi.org/10.1063/5.0229802\">10.1063/5.0229802</a>}, number={1016112}, journal={APL Photonics}, publisher={AIP Publishing}, author={Scharwald, Dennis and Gehse, Lucas and Sharapova, Polina}, year={2025} }","apa":"Scharwald, D., Gehse, L., &#38; Sharapova, P. (2025). Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams. <i>APL Photonics</i>, <i>10</i>(1), Article 016112. <a href=\"https://doi.org/10.1063/5.0229802\">https://doi.org/10.1063/5.0229802</a>","chicago":"Scharwald, Dennis, Lucas Gehse, and Polina Sharapova. “Schmidt Modes Carrying Orbital Angular Momentum Generated by Cascaded Systems Pumped with Laguerre–Gaussian Beams.” <i>APL Photonics</i> 10, no. 1 (2025). <a href=\"https://doi.org/10.1063/5.0229802\">https://doi.org/10.1063/5.0229802</a>.","ieee":"D. Scharwald, L. Gehse, and P. Sharapova, “Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams,” <i>APL Photonics</i>, vol. 10, no. 1, Art. no. 016112, 2025, doi: <a href=\"https://doi.org/10.1063/5.0229802\">10.1063/5.0229802</a>.","ama":"Scharwald D, Gehse L, Sharapova P. Schmidt modes carrying orbital angular momentum generated by cascaded systems pumped with Laguerre–Gaussian beams. <i>APL Photonics</i>. 2025;10(1). doi:<a href=\"https://doi.org/10.1063/5.0229802\">10.1063/5.0229802</a>"},"publication_identifier":{"issn":["2378-0967"]},"publication_status":"published","doi":"10.1063/5.0229802","main_file_link":[{"url":"https://pubs.aip.org/aip/app/article-pdf/doi/10.1063/5.0229802/20352749/016112_1_5.0229802.pdf","open_access":"1"}],"oa":"1","date_updated":"2026-02-01T13:19:20Z","volume":10,"author":[{"orcid":"0009-0007-5654-5412","last_name":"Scharwald","full_name":"Scharwald, Dennis","id":"55907","first_name":"Dennis"},{"first_name":"Lucas","last_name":"Gehse","full_name":"Gehse, Lucas"},{"first_name":"Polina","last_name":"Sharapova","id":"60286","full_name":"Sharapova, Polina"}]},{"type":"preprint","status":"public","abstract":[{"text":"Stimulated by the renewed interest and recent developments in semi-empirical quantum chemical (SQC) methods for noncovalent interactions, we examine the properties of liquid water at ambient conditions by means of molecular dynamics (MD) simulations, both with the conventional NDDO-type (neglect of diatomic differential overlap) methods, e.g. AM1 and PM6, and with DFTB-type (density-functional tight-binding) methods, e.g. DFTB2 and GFN-xTB. Besides the original parameter sets, some specifically reparametrized SQC methods (denoted as AM1-W, PM6-fm, and DFTB2-iBi) targeting various smaller water systems ranging from molecular clusters to bulk are considered as well. The quality of these different SQC methods for describing liquid water properties at ambient conditions are assessed by comparison to well-established experimental data and also to BLYP-D3 density functional theory-based ab initio MD simulations. Our analyses reveal that static and dynamics properties of bulk water are poorly described by all considered SQC methods with the original parameters, regardless of the underlying theoretical models, with most of the methods suffering from too weak hydrogen bonds and hence predicting a far too fluid water with highly distorted hydrogen bond kinetics. On the other hand, the reparametrized force-matchcd PM6-fm method is shown to be able to quantitatively reproduce the static and dynamic features of liquid water, and thus can be used as a computationally efficient alternative to electronic structure-based MD simulations for liquid water that requires extended length and time scales. DFTB2-iBi predicts a slightly overstructured water with reduced fluidity, whereas AM1-W gives an amorphous ice-like structure for water at ambient conditions.","lang":"eng"}],"user_id":"77439","department":[{"_id":"27"},{"_id":"2"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"64071","language":[{"iso":"eng"}],"citation":{"ama":"Wu X, Elgabarty H, Alizadeh V, et al. Benchmarking semi-empirical quantum chemical methods on liquid water. Published online 2025.","chicago":"Wu, Xin, Hossam Elgabarty, Vahideh Alizadeh, Andres Henao Aristizabal, Frederik Zysk, Christian Plessl, Sebastian Ehlert, Jürg Hutter, and Thomas D. Kühne. “Benchmarking Semi-Empirical Quantum Chemical Methods on Liquid Water,” 2025.","ieee":"X. Wu <i>et al.</i>, “Benchmarking semi-empirical quantum chemical methods on liquid water.” 2025.","apa":"Wu, X., Elgabarty, H., Alizadeh, V., Henao Aristizabal, A., Zysk, F., Plessl, C., Ehlert, S., Hutter, J., &#38; Kühne, T. D. (2025). <i>Benchmarking semi-empirical quantum chemical methods on liquid water</i>.","mla":"Wu, Xin, et al. <i>Benchmarking Semi-Empirical Quantum Chemical Methods on Liquid Water</i>. 2025.","bibtex":"@article{Wu_Elgabarty_Alizadeh_Henao Aristizabal_Zysk_Plessl_Ehlert_Hutter_Kühne_2025, title={Benchmarking semi-empirical quantum chemical methods on liquid water}, author={Wu, Xin and Elgabarty, Hossam and Alizadeh, Vahideh and Henao Aristizabal, Andres and Zysk, Frederik and Plessl, Christian and Ehlert, Sebastian and Hutter, Jürg and Kühne, Thomas D.}, year={2025} }","short":"X. Wu, H. Elgabarty, V. Alizadeh, A. Henao Aristizabal, F. Zysk, C. Plessl, S. Ehlert, J. Hutter, T.D. Kühne, (2025)."},"year":"2025","date_created":"2026-02-09T09:03:41Z","author":[{"first_name":"Xin","id":"77439","full_name":"Wu, Xin","last_name":"Wu"},{"id":"60250","full_name":"Elgabarty, Hossam","last_name":"Elgabarty","orcid":"0000-0002-4945-1481","first_name":"Hossam"},{"first_name":"Vahideh","full_name":"Alizadeh, Vahideh","last_name":"Alizadeh"},{"last_name":"Henao Aristizabal","full_name":"Henao Aristizabal, Andres","id":"67235","first_name":"Andres"},{"first_name":"Frederik","full_name":"Zysk, Frederik","id":"14757","last_name":"Zysk"},{"first_name":"Christian","id":"16153","full_name":"Plessl, Christian","last_name":"Plessl","orcid":"0000-0001-5728-9982"},{"first_name":"Sebastian","last_name":"Ehlert","full_name":"Ehlert, Sebastian"},{"first_name":"Jürg","last_name":"Hutter","full_name":"Hutter, Jürg"},{"last_name":"Kühne","full_name":"Kühne, Thomas D.","id":"49079","first_name":"Thomas D."}],"date_updated":"2026-02-09T09:17:07Z","main_file_link":[{"url":"https://arxiv.org/abs/2503.11867"}],"title":"Benchmarking semi-empirical quantum chemical methods on liquid water"},{"article_type":"original","article_number":"36","language":[{"iso":"eng"}],"_id":"63745","project":[{"name":"TRR 142: Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen","_id":"53"},{"_id":"56","name":"TRR 142 - Project Area C"},{"_id":"174","name":"TRR 142 ; TP: C10: Erzeugung und Charakterisierung von Quantenlicht in nichtlinearen Systemen: Eine theoretische Analyse"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"department":[{"_id":"15"},{"_id":"569"},{"_id":"170"},{"_id":"35"},{"_id":"429"}],"user_id":"55907","abstract":[{"text":"Multimode squeezed light is an increasingly popular tool in photonic quantum technologies, including sensing, imaging, and computation. Meanwhile, the existing methods of its characterization are technically complicated, which reduces the level of squeezing, and mostly deal with a single mode at a time. Here, for the first time, to the best of our knowledge, we employ optical parametric amplification to characterize multiple squeezing eigenmodes simultaneously. We retrieve the shapes and squeezing degrees of all modes at once through direct detection followed by modal decomposition. This method is tolerant to inefficient detection and does not require a local oscillator. For a spectrally and spatially multimode squeezed vacuum, we characterize eight strongest spatial modes, obtaining squeezing and anti-squeezing values of up to −5.2 ± 0.2 dB and 8.6 ± 0.3 dB, respectively, despite the 50% detection loss. This work, being the first exploration of an optical parametric amplifier’s multimode capability for squeezing detection, paves the way for the real-time detection of multimode squeezing.","lang":"eng"}],"status":"public","publication":"Optica Quantum","type":"journal_article","title":"Simultaneous measurement of multimode squeezing through multimode phase-sensitive amplification","doi":"10.1364/opticaq.524682","main_file_link":[{"open_access":"1","url":"https://opg.optica.org/opticaq/viewmedia.cfm?uri=opticaq-3-1-36&seq=0"}],"publisher":"Optica Publishing Group","oa":"1","date_updated":"2026-02-10T22:44:44Z","volume":3,"author":[{"first_name":"Ismail","last_name":"Barakat","full_name":"Barakat, Ismail"},{"full_name":"Kalash, Mahmoud","last_name":"Kalash","first_name":"Mahmoud"},{"first_name":"Dennis","full_name":"Scharwald, Dennis","id":"55907","orcid":"0009-0007-5654-5412","last_name":"Scharwald"},{"last_name":"Sharapova","full_name":"Sharapova, Polina","id":"60286","first_name":"Polina"},{"first_name":"Norbert","full_name":"Lindlein, Norbert","last_name":"Lindlein"},{"last_name":"Chekhova","full_name":"Chekhova, Maria","first_name":"Maria"}],"date_created":"2026-01-26T15:57:13Z","year":"2025","intvolume":"         3","citation":{"bibtex":"@article{Barakat_Kalash_Scharwald_Sharapova_Lindlein_Chekhova_2025, title={Simultaneous measurement of multimode squeezing through multimode phase-sensitive amplification}, volume={3}, DOI={<a href=\"https://doi.org/10.1364/opticaq.524682\">10.1364/opticaq.524682</a>}, number={136}, journal={Optica Quantum}, publisher={Optica Publishing Group}, author={Barakat, Ismail and Kalash, Mahmoud and Scharwald, Dennis and Sharapova, Polina and Lindlein, Norbert and Chekhova, Maria}, year={2025} }","short":"I. Barakat, M. Kalash, D. Scharwald, P. Sharapova, N. Lindlein, M. Chekhova, Optica Quantum 3 (2025).","mla":"Barakat, Ismail, et al. “Simultaneous Measurement of Multimode Squeezing through Multimode Phase-Sensitive Amplification.” <i>Optica Quantum</i>, vol. 3, no. 1, 36, Optica Publishing Group, 2025, doi:<a href=\"https://doi.org/10.1364/opticaq.524682\">10.1364/opticaq.524682</a>.","apa":"Barakat, I., Kalash, M., Scharwald, D., Sharapova, P., Lindlein, N., &#38; Chekhova, M. (2025). Simultaneous measurement of multimode squeezing through multimode phase-sensitive amplification. <i>Optica Quantum</i>, <i>3</i>(1), Article 36. <a href=\"https://doi.org/10.1364/opticaq.524682\">https://doi.org/10.1364/opticaq.524682</a>","ama":"Barakat I, Kalash M, Scharwald D, Sharapova P, Lindlein N, Chekhova M. Simultaneous measurement of multimode squeezing through multimode phase-sensitive amplification. <i>Optica Quantum</i>. 2025;3(1). doi:<a href=\"https://doi.org/10.1364/opticaq.524682\">10.1364/opticaq.524682</a>","ieee":"I. Barakat, M. Kalash, D. Scharwald, P. Sharapova, N. Lindlein, and M. Chekhova, “Simultaneous measurement of multimode squeezing through multimode phase-sensitive amplification,” <i>Optica Quantum</i>, vol. 3, no. 1, Art. no. 36, 2025, doi: <a href=\"https://doi.org/10.1364/opticaq.524682\">10.1364/opticaq.524682</a>.","chicago":"Barakat, Ismail, Mahmoud Kalash, Dennis Scharwald, Polina Sharapova, Norbert Lindlein, and Maria Chekhova. “Simultaneous Measurement of Multimode Squeezing through Multimode Phase-Sensitive Amplification.” <i>Optica Quantum</i> 3, no. 1 (2025). <a href=\"https://doi.org/10.1364/opticaq.524682\">https://doi.org/10.1364/opticaq.524682</a>."},"publication_identifier":{"issn":["2837-6714"]},"publication_status":"published","issue":"1"},{"publication_status":"published","publication_identifier":{"issn":["2474-395X"]},"citation":{"chicago":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Modelling Strategies for Non-Rotationally Symmetric Joints.” In <i>Materials Research Proceedings</i>, Vol. 52. Materials Research Forum LLC, 2025. <a href=\"https://doi.org/10.21741/9781644903551-21\">https://doi.org/10.21741/9781644903551-21</a>.","ieee":"D. R. Devulapally and T. Tröster, “Modelling strategies for non-rotationally symmetric joints,” in <i>Materials Research Proceedings</i>, Paderborn, 2025, vol. 52, doi: <a href=\"https://doi.org/10.21741/9781644903551-21\">10.21741/9781644903551-21</a>.","ama":"Devulapally DR, Tröster T. Modelling strategies for non-rotationally symmetric joints. In: <i>Materials Research Proceedings</i>. Vol 52. Materials Research Forum LLC; 2025. doi:<a href=\"https://doi.org/10.21741/9781644903551-21\">10.21741/9781644903551-21</a>","apa":"Devulapally, D. R., &#38; Tröster, T. (2025). Modelling strategies for non-rotationally symmetric joints. <i>Materials Research Proceedings</i>, <i>52</i>. <a href=\"https://doi.org/10.21741/9781644903551-21\">https://doi.org/10.21741/9781644903551-21</a>","short":"D.R. Devulapally, T. Tröster, in: Materials Research Proceedings, Materials Research Forum LLC, 2025.","mla":"Devulapally, Deekshith Reddy, and Thomas Tröster. “Modelling Strategies for Non-Rotationally Symmetric Joints.” <i>Materials Research Proceedings</i>, vol. 52, Materials Research Forum LLC, 2025, doi:<a href=\"https://doi.org/10.21741/9781644903551-21\">10.21741/9781644903551-21</a>.","bibtex":"@inproceedings{Devulapally_Tröster_2025, title={Modelling strategies for non-rotationally symmetric joints}, volume={52}, DOI={<a href=\"https://doi.org/10.21741/9781644903551-21\">10.21741/9781644903551-21</a>}, booktitle={Materials Research Proceedings}, publisher={Materials Research Forum LLC}, author={Devulapally, Deekshith Reddy and Tröster, Thomas}, year={2025} }"},"intvolume":"        52","year":"2025","author":[{"id":"76837","full_name":"Devulapally, Deekshith Reddy","last_name":"Devulapally","first_name":"Deekshith Reddy"},{"first_name":"Thomas","full_name":"Tröster, Thomas","id":"553","last_name":"Tröster"}],"date_created":"2025-04-08T14:57:51Z","volume":52,"publisher":"Materials Research Forum LLC","date_updated":"2026-02-27T10:50:10Z","doi":"10.21741/9781644903551-21","conference":{"end_date":"2025-04-03","location":"Paderborn","name":"21st International conference on sheet metal ","start_date":"2025-04-01"},"title":"Modelling strategies for non-rotationally symmetric joints","type":"conference","publication":"Materials Research Proceedings","status":"public","abstract":[{"text":"<jats:p>Abstract. Accurate Finite Element Modeling (FEM) of joints is essential in the design of complex mechanical systems such as automotive body-in-white (BIW) structures, as it plays a critical role in evaluating their performance. Although well-established techniques exist for modeling rotationally symmetric joints, there remains a significant gap in effectively modeling non-rotationally symmetric joints. These joints are particularly relevant in the automotive BIW, where they can better accommodate anisotropic loading conditions. In this study, strategies for modeling non-rotationally symmetric joints were explored using finite element simulations in LS-DYNA. The findings demonstrate that discrete beam elements can capture the anisotropic characteristics of such joints. Two models were tested: a single-beam model for stiffness periodicity every 90°, and a three-beam model for stiffness periodicity every 120°. Force responses, stress distribution, and sheet bending behaviors were analyzed, confirming that discrete beam elements can accurately represent direction-dependent stiffness. These results establish a foundation for developing advanced joint modeling strategies in complex mechanical systems.</jats:p>","lang":"eng"}],"user_id":"76837","department":[{"_id":"149"},{"_id":"9"},{"_id":"321"}],"project":[{"name":"TRR 285 – B01: TRR 285 - Subproject B01","_id":"140"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"name":"TRR 285:  Methodenentwicklung zur mechanischen Fügbarkeit in wandlungsfähigen Prozessketten","_id":"130"}],"_id":"59441","language":[{"iso":"eng"}]},{"publication_status":"published","publication_identifier":{"issn":["0009-2509"]},"related_material":{"link":[{"url":"https://doi.org/10.1016/j.ces.2025.121317","relation":"confirmation"}]},"citation":{"bibtex":"@article{Dechert_Kenig_2025, title={Influence of microstructures on liquid spreading on inclined plates: A CFD based study}, DOI={<a href=\"https://doi.org/10.1016/j.ces.2025.121317\">10.1016/j.ces.2025.121317</a>}, number={121317}, journal={Chemical Engineering Science}, publisher={Elsevier BV}, author={Dechert, Christopher and Kenig, Eugeny Y.}, year={2025} }","short":"C. Dechert, E.Y. Kenig, Chemical Engineering Science (2025).","mla":"Dechert, Christopher, and Eugeny Y. Kenig. “Influence of Microstructures on Liquid Spreading on Inclined Plates: A CFD Based Study.” <i>Chemical Engineering Science</i>, 121317, Elsevier BV, 2025, doi:<a href=\"https://doi.org/10.1016/j.ces.2025.121317\">10.1016/j.ces.2025.121317</a>.","apa":"Dechert, C., &#38; Kenig, E. Y. (2025). Influence of microstructures on liquid spreading on inclined plates: A CFD based study. <i>Chemical Engineering Science</i>, Article 121317. <a href=\"https://doi.org/10.1016/j.ces.2025.121317\">https://doi.org/10.1016/j.ces.2025.121317</a>","ieee":"C. Dechert and E. Y. Kenig, “Influence of microstructures on liquid spreading on inclined plates: A CFD based study,” <i>Chemical Engineering Science</i>, Art. no. 121317, 2025, doi: <a href=\"https://doi.org/10.1016/j.ces.2025.121317\">10.1016/j.ces.2025.121317</a>.","chicago":"Dechert, Christopher, and Eugeny Y. Kenig. “Influence of Microstructures on Liquid Spreading on Inclined Plates: A CFD Based Study.” <i>Chemical Engineering Science</i>, 2025. <a href=\"https://doi.org/10.1016/j.ces.2025.121317\">https://doi.org/10.1016/j.ces.2025.121317</a>.","ama":"Dechert C, Kenig EY. Influence of microstructures on liquid spreading on inclined plates: A CFD based study. <i>Chemical Engineering Science</i>. Published online 2025. doi:<a href=\"https://doi.org/10.1016/j.ces.2025.121317\">10.1016/j.ces.2025.121317</a>"},"oa":"1","date_updated":"2025-02-21T12:32:19Z","author":[{"full_name":"Dechert, Christopher","last_name":"Dechert","first_name":"Christopher"},{"first_name":"Eugeny Y.","last_name":"Kenig","full_name":"Kenig, Eugeny Y."}],"main_file_link":[{"open_access":"1"}],"doi":"10.1016/j.ces.2025.121317","type":"journal_article","status":"public","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"58759","user_id":"69828","department":[{"_id":"831"}],"article_number":"121317","extern":"1","quality_controlled":"1","year":"2025","publisher":"Elsevier BV","date_created":"2025-02-21T12:23:00Z","title":"Influence of microstructures on liquid spreading on inclined plates: A CFD based study","publication":"Chemical Engineering Science","language":[{"iso":"eng"}]},{"type":"conference_abstract","status":"public","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"58761","user_id":"69828","department":[{"_id":"831"}],"extern":"1","language":[{"iso":"eng"}],"year":"2025","citation":{"apa":"Dechert, C., Riese, J., &#38; Franke, P. (2025). <i>Untersuchung zur Vergleichbarkeit von verschiedenen Methoden zur Bestimmung der effektiven Phasengrenzflächen</i>. Jahrestagung der Fachgruppe FLuidverfahrenstechnik, Bochum.","short":"C. Dechert, J. Riese, P. Franke, in: 2025.","mla":"Dechert, Christopher, et al. <i>Untersuchung Zur Vergleichbarkeit von Verschiedenen Methoden Zur Bestimmung Der Effektiven Phasengrenzflächen</i>. 2025.","bibtex":"@inproceedings{Dechert_Riese_Franke_2025, title={Untersuchung zur Vergleichbarkeit von verschiedenen Methoden zur Bestimmung der effektiven Phasengrenzflächen}, author={Dechert, Christopher and Riese, Julia and Franke, Patrick}, year={2025} }","chicago":"Dechert, Christopher, Julia Riese, and Patrick Franke. “Untersuchung Zur Vergleichbarkeit von Verschiedenen Methoden Zur Bestimmung Der Effektiven Phasengrenzflächen,” 2025.","ieee":"C. Dechert, J. Riese, and P. Franke, “Untersuchung zur Vergleichbarkeit von verschiedenen Methoden zur Bestimmung der effektiven Phasengrenzflächen,” presented at the Jahrestagung der Fachgruppe FLuidverfahrenstechnik, Bochum, 2025.","ama":"Dechert C, Riese J, Franke P. Untersuchung zur Vergleichbarkeit von verschiedenen Methoden zur Bestimmung der effektiven Phasengrenzflächen. In: ; 2025."},"date_updated":"2025-02-21T12:38:25Z","author":[{"last_name":"Dechert","full_name":"Dechert, Christopher","id":"69828","first_name":"Christopher"},{"first_name":"Julia","id":"101499","full_name":"Riese, Julia","orcid":"0000-0002-3053-0534","last_name":"Riese"},{"first_name":"Patrick","full_name":"Franke, Patrick","id":"93922","last_name":"Franke"}],"date_created":"2025-02-21T12:36:20Z","title":"Untersuchung zur Vergleichbarkeit von verschiedenen Methoden zur Bestimmung der effektiven Phasengrenzflächen","conference":{"name":"Jahrestagung der Fachgruppe FLuidverfahrenstechnik","start_date":"2025-02-03","end_date":"2025-02-05","location":"Bochum"}},{"status":"public","type":"journal_article","file_date_updated":"2025-05-02T13:20:31Z","article_type":"original","department":[{"_id":"636"}],"user_id":"85279","_id":"53805","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"apa":"Offen, C. (2025). Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification. <i>Mathematics of Computation</i>. <a href=\"https://doi.org/10.1090/mcom/4120\">https://doi.org/10.1090/mcom/4120</a>","bibtex":"@article{Offen_2025, title={Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification}, DOI={<a href=\"https://doi.org/10.1090/mcom/4120\">10.1090/mcom/4120</a>}, journal={Mathematics of Computation}, publisher={American Mathematical Society}, author={Offen, Christian}, year={2025} }","short":"C. Offen, Mathematics of Computation (2025).","mla":"Offen, Christian. “Machine Learning of Continuous and Discrete Variational ODEs with Convergence Guarantee and Uncertainty Quantification.” <i>Mathematics of Computation</i>, American Mathematical Society, 2025, doi:<a href=\"https://doi.org/10.1090/mcom/4120\">10.1090/mcom/4120</a>.","ieee":"C. Offen, “Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification,” <i>Mathematics of Computation</i>, 2025, doi: <a href=\"https://doi.org/10.1090/mcom/4120\">10.1090/mcom/4120</a>.","chicago":"Offen, Christian. “Machine Learning of Continuous and Discrete Variational ODEs with Convergence Guarantee and Uncertainty Quantification.” <i>Mathematics of Computation</i>, 2025. <a href=\"https://doi.org/10.1090/mcom/4120\">https://doi.org/10.1090/mcom/4120</a>.","ama":"Offen C. Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification. <i>Mathematics of Computation</i>. Published online 2025. doi:<a href=\"https://doi.org/10.1090/mcom/4120\">10.1090/mcom/4120</a>"},"related_material":{"link":[{"description":"GitHub","relation":"software","url":"https://github.com/Christian-Offen/Lagrangian_GP"}]},"has_accepted_license":"1","publication_status":"epub_ahead","doi":"10.1090/mcom/4120","author":[{"id":"85279","full_name":"Offen, Christian","orcid":"0000-0002-5940-8057","last_name":"Offen","first_name":"Christian"}],"date_updated":"2025-06-29T13:03:55Z","oa":"1","file":[{"date_created":"2025-05-02T13:20:31Z","creator":"coffen","date_updated":"2025-05-02T13:20:31Z","access_level":"open_access","file_name":"L_Collocation_ODE_mcom-l-template.pdf","file_id":"59759","file_size":1819189,"description":"The article introduces a method to learn dynamical systems that\nare governed by Euler–Lagrange equations from data. The method is based on\nGaussian process regression and identifies continuous or discrete Lagrangians\nand is, therefore, structure preserving by design. A rigorous proof of con-\nvergence as the distance between observation data points converges to zero\nand lower bounds for convergence rates are provided. Next to convergence\nguarantees, the method allows for quantification of model uncertainty, which\ncan provide a basis of adaptive sampling techniques. We provide efficient uncertainty quantification of any observable that is linear in the Lagrangian,\nincluding of Hamiltonian functions (energy) and symplectic structures, which\nis of interest in the context of system identification. The article overcomes\nmajor practical and theoretical difficulties related to the ill-posedness of the\nidentification task of (discrete) Lagrangians through a careful design of geometric regularisation strategies and through an exploit of a relation to convex\nminimisation problems in reproducing kernel Hilbert spaces.","title":"Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification ","content_type":"application/pdf","relation":"main_file"}],"abstract":[{"lang":"eng","text":"The article introduces a method to learn dynamical systems that are governed by Euler–Lagrange equations from data. The method is based on Gaussian process regression and identifies continuous or discrete Lagrangians and is, therefore, structure preserving by design. A rigorous proof of convergence as the distance between observation data points converges to zero and lower bounds for convergence rates are provided. Next to convergence guarantees, the method allows for quantification of model uncertainty, which can provide a basis of adaptive sampling techniques. We provide efficient uncertainty quantification of any observable that is linear in the Lagrangian, including of Hamiltonian functions (energy) and symplectic structures, which is of interest in the context of system identification. The article overcomes major practical and theoretical difficulties related to the ill-posedness of the identification task of (discrete) Lagrangians through a careful design of geometric regularisation strategies and through an exploit of a relation to convex minimisation problems in reproducing kernel Hilbert spaces."}],"publication":"Mathematics of Computation","language":[{"iso":"eng"}],"ddc":["510"],"external_id":{"arxiv":["arXiv:2404.19626"]},"year":"2025","quality_controlled":"1","title":"Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification","date_created":"2024-04-30T16:04:40Z","publisher":"American Mathematical Society"},{"date_updated":"2025-06-29T12:00:36Z","author":[{"last_name":"Wingenbach","id":"69187","full_name":"Wingenbach, Jan","first_name":"Jan"},{"first_name":"David","id":"44172","full_name":"Bauch, David","last_name":"Bauch"},{"first_name":"Xuekai","last_name":"Ma","id":"59416","full_name":"Ma, Xuekai"},{"first_name":"Robert","last_name":"Schade","orcid":"0000-0002-6268-5397","full_name":"Schade, Robert","id":"75963"},{"last_name":"Plessl","orcid":"0000-0001-5728-9982","id":"16153","full_name":"Plessl, Christian","first_name":"Christian"},{"id":"27271","full_name":"Schumacher, Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","first_name":"Stefan"}],"volume":315,"doi":"10.1016/j.cpc.2025.109689","publication_status":"published","publication_identifier":{"issn":["0010-4655"]},"citation":{"apa":"Wingenbach, J., Bauch, D., Ma, X., Schade, R., Plessl, C., &#38; Schumacher, S. (2025). PHOENIX – Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions. <i>Computer Physics Communications</i>, <i>315</i>, Article 109689. <a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">https://doi.org/10.1016/j.cpc.2025.109689</a>","mla":"Wingenbach, Jan, et al. “PHOENIX – Paderborn Highly Optimized and Energy Efficient Solver for Two-Dimensional Nonlinear Schrödinger Equations with Integrated Extensions.” <i>Computer Physics Communications</i>, vol. 315, 109689, Elsevier BV, 2025, doi:<a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">10.1016/j.cpc.2025.109689</a>.","short":"J. Wingenbach, D. Bauch, X. Ma, R. Schade, C. Plessl, S. Schumacher, Computer Physics Communications 315 (2025).","bibtex":"@article{Wingenbach_Bauch_Ma_Schade_Plessl_Schumacher_2025, title={PHOENIX – Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions}, volume={315}, DOI={<a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">10.1016/j.cpc.2025.109689</a>}, number={109689}, journal={Computer Physics Communications}, publisher={Elsevier BV}, author={Wingenbach, Jan and Bauch, David and Ma, Xuekai and Schade, Robert and Plessl, Christian and Schumacher, Stefan}, year={2025} }","ieee":"J. Wingenbach, D. Bauch, X. Ma, R. Schade, C. Plessl, and S. Schumacher, “PHOENIX – Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions,” <i>Computer Physics Communications</i>, vol. 315, Art. no. 109689, 2025, doi: <a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">10.1016/j.cpc.2025.109689</a>.","chicago":"Wingenbach, Jan, David Bauch, Xuekai Ma, Robert Schade, Christian Plessl, and Stefan Schumacher. “PHOENIX – Paderborn Highly Optimized and Energy Efficient Solver for Two-Dimensional Nonlinear Schrödinger Equations with Integrated Extensions.” <i>Computer Physics Communications</i> 315 (2025). <a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">https://doi.org/10.1016/j.cpc.2025.109689</a>.","ama":"Wingenbach J, Bauch D, Ma X, Schade R, Plessl C, Schumacher S. PHOENIX – Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions. <i>Computer Physics Communications</i>. 2025;315. doi:<a href=\"https://doi.org/10.1016/j.cpc.2025.109689\">10.1016/j.cpc.2025.109689</a>"},"intvolume":"       315","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"_id":"60298","user_id":"75963","department":[{"_id":"27"}],"article_type":"original","article_number":"109689","type":"journal_article","status":"public","publisher":"Elsevier BV","date_created":"2025-06-23T07:38:52Z","title":"PHOENIX – Paderborn highly optimized and energy efficient solver for two-dimensional nonlinear Schrödinger equations with integrated extensions","year":"2025","language":[{"iso":"eng"}],"publication":"Computer Physics Communications","abstract":[{"lang":"eng","text":"In this work, we introduce PHOENIX, a highly optimized explicit open-source solver for two-dimensional nonlinear Schrödinger equations with extensions. The nonlinear Schrödinger equation and its extensions (Gross-Pitaevskii equation) are widely studied to model and analyze complex phenomena in fields such as optics, condensed matter physics, fluid dynamics, and plasma physics. It serves as a powerful tool for understanding nonlinear wave dynamics, soliton formation, and the interplay between nonlinearity, dispersion, and diffraction. By extending the nonlinear Schrödinger equation, various physical effects such as non-Hermiticity, spin-orbit interaction, and quantum optical aspects can be incorporated. PHOENIX is designed to accommodate a wide range of applications by a straightforward extendability without the need for user knowledge of computing architectures or performance optimization. The high performance and power efficiency of PHOENIX are demonstrated on a wide range of entry-class to high-end consumer and high-performance computing GPUs and CPUs. Compared to a more conventional MATLAB implementation, a speedup of up to three orders of magnitude and energy savings of up to 99.8% are achieved. The performance is compared to a performance model showing that PHOENIX performs close to the relevant performance bounds in many situations. The possibilities of PHOENIX are demonstrated with a range of practical examples from the realm of nonlinear (quantum) photonics in planar microresonators with active media including exciton-polariton condensates. Examples range from solutions on very large grids, the use of local optimization algorithms, to Monte Carlo ensemble evolutions with quantum noise enabling the tomography of the system's quantum state."}]},{"status":"public","type":"conference","department":[{"_id":"831"}],"user_id":"101499","_id":"60494","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"intvolume":"         4","citation":{"bibtex":"@inproceedings{Afsahnoudeh_Riese_Kenig_2025, title={Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis}, volume={4}, DOI={<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>}, booktitle={Systems and Control Transactions}, publisher={PSE Press}, author={Afsahnoudeh, Reza and Riese, Julia and Kenig, Eugeny Y.}, year={2025} }","mla":"Afsahnoudeh, Reza, et al. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis.” <i>Systems and Control Transactions</i>, vol. 4, PSE Press, 2025, doi:<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>.","short":"R. Afsahnoudeh, J. Riese, E.Y. Kenig, in: Systems and Control Transactions, PSE Press, 2025.","apa":"Afsahnoudeh, R., Riese, J., &#38; Kenig, E. Y. (2025). Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis. <i>Systems and Control Transactions</i>, <i>4</i>. <a href=\"https://doi.org/10.69997/sct.178665\">https://doi.org/10.69997/sct.178665</a>","chicago":"Afsahnoudeh, Reza, Julia Riese, and Eugeny Y. Kenig. “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis.” In <i>Systems and Control Transactions</i>, Vol. 4. PSE Press, 2025. <a href=\"https://doi.org/10.69997/sct.178665\">https://doi.org/10.69997/sct.178665</a>.","ieee":"R. Afsahnoudeh, J. Riese, and E. Y. Kenig, “Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis,” in <i>Systems and Control Transactions</i>, 2025, vol. 4, doi: <a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>.","ama":"Afsahnoudeh R, Riese J, Kenig EY. Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis. In: <i>Systems and Control Transactions</i>. Vol 4. PSE Press; 2025. doi:<a href=\"https://doi.org/10.69997/sct.178665\">10.69997/sct.178665</a>"},"publication_identifier":{"issn":["2818-4734"]},"publication_status":"published","doi":"10.69997/sct.178665","volume":4,"author":[{"first_name":"Reza","id":"90390","full_name":"Afsahnoudeh, Reza","last_name":"Afsahnoudeh","orcid":"https://orcid.org/0009-0001-3161-8036"},{"first_name":"Julia","full_name":"Riese, Julia","id":"101499","last_name":"Riese","orcid":"0000-0002-3053-0534"},{"full_name":"Kenig, Eugeny Y.","last_name":"Kenig","first_name":"Eugeny Y."}],"date_updated":"2025-07-02T07:57:08Z","abstract":[{"text":"Pillow-plate heat exchangers (PPHEs) represent a viable alternative to conventional shell-and-tube and plate heat exchangers. The waviness of their channels intensifies fluid mixing in the boundary layers and facilitates heat transfer. Applying secondary surface structuring can further enhance the overall thermo-hydraulic performance of PPHEs, thus increasing their competitiveness against conventional heat exchangers. In this work, streamlined secondary structures applied on the PPHE surface were studied numerically to explore their potential in enhancing near-wall fluid mixing. Computational fluid dynamics (CFD) simulations of single-phase turbulent flow in the inner PPHE channel were performed and pressure drop, heat transfer coefficients, and overall thermo-hydraulic efficiency were determined. The simulation results clearly demonstrate a favourable influence of secondary structuring on the heat transfer performance of PPHEs.</jats:p>","lang":"eng"}],"publication":"Systems and Control Transactions","language":[{"iso":"eng"}],"year":"2025","quality_controlled":"1","title":"Thermo-Hydraulic Performance of Pillow-Plate Heat Exchangers with Streamlined Secondary Structures: A Numerical Analysis","date_created":"2025-07-02T07:56:12Z","publisher":"PSE Press"},{"doi":"10.1103/physrevb.111.104103","author":[{"orcid":"0000-0002-2134-3075","last_name":"Bocchini","full_name":"Bocchini, Adriana","id":"58349","first_name":"Adriana"},{"first_name":"Uwe","orcid":"0000-0002-4476-223X","last_name":"Gerstmann","full_name":"Gerstmann, Uwe","id":"171"},{"last_name":"Schmidt","orcid":"0000-0002-2717-5076","id":"468","full_name":"Schmidt, Wolf Gero","first_name":"Wolf Gero"}],"volume":111,"date_updated":"2025-07-09T09:30:31Z","citation":{"ama":"Bocchini A, Gerstmann U, Schmidt WG. Microscopic origin of gray tracks in &#60;mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"&#62;&#60;mml:msub&#62;&#60;mml:mi&#62;KTiOPO&#60;/mml:mi&#62;&#60;mml:mn&#62;4&#60;/mml:mn&#62;&#60;/mml:msub&#62;&#60;/mml:math&#62;. <i>Physical Review B</i>. 2025;111(10). doi:<a href=\"https://doi.org/10.1103/physrevb.111.104103\">10.1103/physrevb.111.104103</a>","chicago":"Bocchini, Adriana, Uwe Gerstmann, and Wolf Gero Schmidt. “Microscopic Origin of Gray Tracks in &#60;mml:Math Xmlns:Mml=\"http://Www.W3.Org/1998/Math/MathML\"&#62;&#60;mml:Msub&#62;&#60;mml:Mi&#62;KTiOPO&#60;/Mml:Mi&#62;&#60;mml:Mn&#62;4&#60;/Mml:Mn&#62;&#60;/Mml:Msub&#62;&#60;/Mml:Math&#62;.” <i>Physical Review B</i> 111, no. 10 (2025). <a href=\"https://doi.org/10.1103/physrevb.111.104103\">https://doi.org/10.1103/physrevb.111.104103</a>.","ieee":"A. Bocchini, U. Gerstmann, and W. G. Schmidt, “Microscopic origin of gray tracks in &#60;mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"&#62;&#60;mml:msub&#62;&#60;mml:mi&#62;KTiOPO&#60;/mml:mi&#62;&#60;mml:mn&#62;4&#60;/mml:mn&#62;&#60;/mml:msub&#62;&#60;/mml:math&#62;,” <i>Physical Review B</i>, vol. 111, no. 10, Art. no. 104103, 2025, doi: <a href=\"https://doi.org/10.1103/physrevb.111.104103\">10.1103/physrevb.111.104103</a>.","apa":"Bocchini, A., Gerstmann, U., &#38; Schmidt, W. G. (2025). Microscopic origin of gray tracks in &#60;mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"&#62;&#60;mml:msub&#62;&#60;mml:mi&#62;KTiOPO&#60;/mml:mi&#62;&#60;mml:mn&#62;4&#60;/mml:mn&#62;&#60;/mml:msub&#62;&#60;/mml:math&#62;. <i>Physical Review B</i>, <i>111</i>(10), Article 104103. <a href=\"https://doi.org/10.1103/physrevb.111.104103\">https://doi.org/10.1103/physrevb.111.104103</a>","mla":"Bocchini, Adriana, et al. “Microscopic Origin of Gray Tracks in &#60;mml:Math Xmlns:Mml=\"http://Www.W3.Org/1998/Math/MathML\"&#62;&#60;mml:Msub&#62;&#60;mml:Mi&#62;KTiOPO&#60;/Mml:Mi&#62;&#60;mml:Mn&#62;4&#60;/Mml:Mn&#62;&#60;/Mml:Msub&#62;&#60;/Mml:Math&#62;.” <i>Physical Review B</i>, vol. 111, no. 10, 104103, American Physical Society (APS), 2025, doi:<a href=\"https://doi.org/10.1103/physrevb.111.104103\">10.1103/physrevb.111.104103</a>.","short":"A. Bocchini, U. Gerstmann, W.G. Schmidt, Physical Review B 111 (2025).","bibtex":"@article{Bocchini_Gerstmann_Schmidt_2025, title={Microscopic origin of gray tracks in &#60;mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"&#62;&#60;mml:msub&#62;&#60;mml:mi&#62;KTiOPO&#60;/mml:mi&#62;&#60;mml:mn&#62;4&#60;/mml:mn&#62;&#60;/mml:msub&#62;&#60;/mml:math&#62;}, volume={111}, DOI={<a href=\"https://doi.org/10.1103/physrevb.111.104103\">10.1103/physrevb.111.104103</a>}, number={10104103}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Bocchini, Adriana and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2025} }"},"intvolume":"       111","publication_status":"published","publication_identifier":{"issn":["2469-9950","2469-9969"]},"article_number":"104103","user_id":"16199","department":[{"_id":"15"},{"_id":"295"},{"_id":"790"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"170"},{"_id":"27"}],"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"53","name":"TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen","grant_number":"231447078"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"name":"TRR 142 - B07: TRR 142 - Polaronen-Einfluss auf die optischen Eigenschaften von Lithiumniobat (B07*)","_id":"168","grant_number":"231447078"},{"_id":"166","name":"TRR 142 - A11: TRR 142 - Subproject A11"}],"_id":"60565","status":"public","type":"journal_article","title":"Microscopic origin of gray tracks in <mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"><mml:msub><mml:mi>KTiOPO</mml:mi><mml:mn>4</mml:mn></mml:msub></mml:math>","date_created":"2025-07-09T08:58:32Z","publisher":"American Physical Society (APS)","year":"2025","issue":"10","language":[{"iso":"eng"}],"publication":"Physical Review B"},{"year":"2025","quality_controlled":"1","title":"Self-assembly of isolated plasmonic dimers with sub-5 nm gaps on a metallic mirror","date_created":"2025-02-14T08:13:10Z","publisher":"Royal Society of Chemistry (RSC)","abstract":[{"lang":"eng","text":"We present a cost-effective self-assembly method to fabricate low-density dimer NPs in an NPoM architecture, using the M13 phage as a spacer layer. This will enable the development of dynamic plasmonic devices and advanced sensing applications."}],"publication":"Nanoscale Horizons","language":[{"iso":"eng"}],"citation":{"bibtex":"@article{Devaraj_Ruiz Alvarado_Lee_Oh_Gerstmann_Schmidt_Zentgraf_2025, title={Self-assembly of isolated plasmonic dimers with sub-5 nm gaps on a metallic mirror}, volume={10}, DOI={<a href=\"https://doi.org/10.1039/d4nh00546e\">10.1039/d4nh00546e</a>}, journal={Nanoscale Horizons}, publisher={Royal Society of Chemistry (RSC)}, author={Devaraj, Vasanthan and Ruiz Alvarado, Isaac Azahel and Lee, Jong-Min and Oh, Jin-Woo and Gerstmann, Uwe and Schmidt, Wolf Gero and Zentgraf, Thomas}, year={2025}, pages={537–548} }","mla":"Devaraj, Vasanthan, et al. “Self-Assembly of Isolated Plasmonic Dimers with Sub-5 Nm Gaps on a Metallic Mirror.” <i>Nanoscale Horizons</i>, vol. 10, Royal Society of Chemistry (RSC), 2025, pp. 537–48, doi:<a href=\"https://doi.org/10.1039/d4nh00546e\">10.1039/d4nh00546e</a>.","short":"V. Devaraj, I.A. Ruiz Alvarado, J.-M. Lee, J.-W. Oh, U. Gerstmann, W.G. Schmidt, T. Zentgraf, Nanoscale Horizons 10 (2025) 537–548.","apa":"Devaraj, V., Ruiz Alvarado, I. A., Lee, J.-M., Oh, J.-W., Gerstmann, U., Schmidt, W. G., &#38; Zentgraf, T. (2025). Self-assembly of isolated plasmonic dimers with sub-5 nm gaps on a metallic mirror. <i>Nanoscale Horizons</i>, <i>10</i>, 537–548. <a href=\"https://doi.org/10.1039/d4nh00546e\">https://doi.org/10.1039/d4nh00546e</a>","ieee":"V. Devaraj <i>et al.</i>, “Self-assembly of isolated plasmonic dimers with sub-5 nm gaps on a metallic mirror,” <i>Nanoscale Horizons</i>, vol. 10, pp. 537–548, 2025, doi: <a href=\"https://doi.org/10.1039/d4nh00546e\">10.1039/d4nh00546e</a>.","chicago":"Devaraj, Vasanthan, Isaac Azahel Ruiz Alvarado, Jong-Min Lee, Jin-Woo Oh, Uwe Gerstmann, Wolf Gero Schmidt, and Thomas Zentgraf. “Self-Assembly of Isolated Plasmonic Dimers with Sub-5 Nm Gaps on a Metallic Mirror.” <i>Nanoscale Horizons</i> 10 (2025): 537–48. <a href=\"https://doi.org/10.1039/d4nh00546e\">https://doi.org/10.1039/d4nh00546e</a>.","ama":"Devaraj V, Ruiz Alvarado IA, Lee J-M, et al. Self-assembly of isolated plasmonic dimers with sub-5 nm gaps on a metallic mirror. <i>Nanoscale Horizons</i>. 2025;10:537-548. doi:<a href=\"https://doi.org/10.1039/d4nh00546e\">10.1039/d4nh00546e</a>"},"page":"537-548","intvolume":"        10","publication_status":"published","publication_identifier":{"issn":["2055-6756","2055-6764"]},"doi":"10.1039/d4nh00546e","author":[{"first_name":"Vasanthan","id":"103814","full_name":"Devaraj, Vasanthan","last_name":"Devaraj"},{"first_name":"Isaac Azahel","id":"79462","full_name":"Ruiz Alvarado, Isaac Azahel","last_name":"Ruiz Alvarado","orcid":"0000-0002-4710-1170"},{"full_name":"Lee, Jong-Min","last_name":"Lee","first_name":"Jong-Min"},{"full_name":"Oh, Jin-Woo","last_name":"Oh","first_name":"Jin-Woo"},{"full_name":"Gerstmann, Uwe","id":"171","orcid":"0000-0002-4476-223X","last_name":"Gerstmann","first_name":"Uwe"},{"first_name":"Wolf Gero","last_name":"Schmidt","orcid":"0000-0002-2717-5076","id":"468","full_name":"Schmidt, Wolf Gero"},{"id":"30525","full_name":"Zentgraf, Thomas","orcid":"0000-0002-8662-1101","last_name":"Zentgraf","first_name":"Thomas"}],"volume":10,"date_updated":"2025-07-09T14:04:39Z","status":"public","type":"journal_article","article_type":"original","user_id":"16199","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"},{"_id":"35"},{"_id":"295"},{"_id":"170"},{"_id":"429"},{"_id":"27"}],"project":[{"grant_number":"231447078","name":"TRR 142: TRR 142 - Maßgeschneiderte nichtlineare Photonik: Von grundlegenden Konzepten zu funktionellen Strukturen","_id":"53"},{"grant_number":"231447078","_id":"168","name":"TRR 142 - B07: TRR 142 - Polaronen-Einfluss auf die optischen Eigenschaften von Lithiumniobat (B07*)"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"grant_number":"367360193","_id":"445","name":"Hochleistungsrechner Noctua in Paderborn"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"_id":"58642"},{"doi":"10.1038/s41598-025-05660-3","title":"Numerical solution of nonlinear Schrödinger equation by a hybrid pseudospectral-variational quantum algorithm","date_created":"2025-09-12T10:43:29Z","author":[{"first_name":"Nikolas","last_name":"Köcher","full_name":"Köcher, Nikolas","id":"79191"},{"full_name":"Rose, Hendrik","id":"55958","orcid":"0000-0002-3079-5428","last_name":"Rose","first_name":"Hendrik"},{"first_name":"Sachin S.","last_name":"Bharadwaj","full_name":"Bharadwaj, Sachin S."},{"first_name":"Jörg","full_name":"Schumacher, Jörg","last_name":"Schumacher"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","id":"27271","orcid":"0000-0003-4042-4951","last_name":"Schumacher"}],"volume":15,"publisher":"Springer Science and Business Media LLC","date_updated":"2025-09-12T10:57:22Z","citation":{"ieee":"N. Köcher, H. Rose, S. S. Bharadwaj, J. Schumacher, and S. Schumacher, “Numerical solution of nonlinear Schrödinger equation by a hybrid pseudospectral-variational quantum algorithm,” <i>Scientific Reports</i>, vol. 15, no. 1, Art. no. 23478, 2025, doi: <a href=\"https://doi.org/10.1038/s41598-025-05660-3\">10.1038/s41598-025-05660-3</a>.","chicago":"Köcher, Nikolas, Hendrik Rose, Sachin S. Bharadwaj, Jörg Schumacher, and Stefan Schumacher. “Numerical Solution of Nonlinear Schrödinger Equation by a Hybrid Pseudospectral-Variational Quantum Algorithm.” <i>Scientific Reports</i> 15, no. 1 (2025). <a href=\"https://doi.org/10.1038/s41598-025-05660-3\">https://doi.org/10.1038/s41598-025-05660-3</a>.","ama":"Köcher N, Rose H, Bharadwaj SS, Schumacher J, Schumacher S. Numerical solution of nonlinear Schrödinger equation by a hybrid pseudospectral-variational quantum algorithm. <i>Scientific Reports</i>. 2025;15(1). doi:<a href=\"https://doi.org/10.1038/s41598-025-05660-3\">10.1038/s41598-025-05660-3</a>","mla":"Köcher, Nikolas, et al. “Numerical Solution of Nonlinear Schrödinger Equation by a Hybrid Pseudospectral-Variational Quantum Algorithm.” <i>Scientific Reports</i>, vol. 15, no. 1, 23478, Springer Science and Business Media LLC, 2025, doi:<a href=\"https://doi.org/10.1038/s41598-025-05660-3\">10.1038/s41598-025-05660-3</a>.","short":"N. Köcher, H. Rose, S.S. Bharadwaj, J. Schumacher, S. Schumacher, Scientific Reports 15 (2025).","bibtex":"@article{Köcher_Rose_Bharadwaj_Schumacher_Schumacher_2025, title={Numerical solution of nonlinear Schrödinger equation by a hybrid pseudospectral-variational quantum algorithm}, volume={15}, DOI={<a href=\"https://doi.org/10.1038/s41598-025-05660-3\">10.1038/s41598-025-05660-3</a>}, number={123478}, journal={Scientific Reports}, publisher={Springer Science and Business Media LLC}, author={Köcher, Nikolas and Rose, Hendrik and Bharadwaj, Sachin S. and Schumacher, Jörg and Schumacher, Stefan}, year={2025} }","apa":"Köcher, N., Rose, H., Bharadwaj, S. S., Schumacher, J., &#38; Schumacher, S. (2025). Numerical solution of nonlinear Schrödinger equation by a hybrid pseudospectral-variational quantum algorithm. <i>Scientific Reports</i>, <i>15</i>(1), Article 23478. <a href=\"https://doi.org/10.1038/s41598-025-05660-3\">https://doi.org/10.1038/s41598-025-05660-3</a>"},"intvolume":"        15","year":"2025","issue":"1","publication_status":"published","publication_identifier":{"issn":["2045-2322"]},"language":[{"iso":"eng"}],"article_number":"23478","user_id":"16199","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"35"},{"_id":"230"},{"_id":"27"}],"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"445","name":"Hochleistungsrechner Noctua in Paderborn"}],"_id":"61246","status":"public","abstract":[{"text":"<jats:title>Abstract</jats:title>\r\n          <jats:p>The time-dependent one-dimensional nonlinear Schrödinger equation (NLSE) is solved numerically by a hybrid pseudospectral-variational quantum algorithm that connects a pseudospectral step for the Hamiltonian term with a variational step for the nonlinear term. The Hamiltonian term is treated as an integrating factor by forward and backward Fourier transforms, which are here carried out classically. This split allows us to avoid higher-order time integration schemes, to apply a first-order explicit time stepping for the remaining nonlinear NLSE term in a variational algorithm block, and thus to avoid numerical instabilities. We demonstrate that the analytical solution is reproduced with a small root mean square error for a long time interval over which a nonlinear soliton propagates significantly forward in space while keeping its shape. We analyze the accuracy and complexity of the quantum algorithm, the expressibility of the ansatz circuit and compare it with classical approaches. Furthermore, we investigate the influence of algorithm parameters on the accuracy of the results, including the temporal step width and the depth of the quantum circuit.</jats:p>","lang":"eng"}],"type":"journal_article","publication":"Scientific Reports"}]