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Dumitrescu, in: Procedia CIRP, 2020.","chicago":"Henkenjohann, Mark, Robert Joppen, Daniel Köchling, Sebastian von Enzberg, Arno Kühn, and Roman Dumitrescu. “Identification and Specification of Standard Modules in Production for a Material Flow Simulation.” In <i>Procedia CIRP</i>, 2020.","mla":"Henkenjohann, Mark, et al. “Identification and Specification of Standard Modules in Production for a Material Flow Simulation.” <i>Procedia CIRP</i>, 2020.","ama":"Henkenjohann M, Joppen R, Köchling D, von Enzberg S, Kühn A, Dumitrescu R. Identification and specification of standard modules in production for a material flow simulation. In: <i>Procedia CIRP</i>. ; 2020.","bibtex":"@inproceedings{Henkenjohann_Joppen_Köchling_von Enzberg_Kühn_Dumitrescu_2020, title={Identification and specification of standard modules in production for a material flow simulation}, booktitle={Procedia CIRP}, author={Henkenjohann, Mark and Joppen, Robert and Köchling, Daniel and von Enzberg, Sebastian and Kühn, Arno and Dumitrescu, Roman}, year={2020} }"}},{"citation":{"apa":"Grote, E.-M., Pfeifer, S., Röltgen, D., Kühn, A., &#38; Dumitrescu, R. (2020). Towards defining role models in Advanced Systems Engineering. In <i>Proceedings of the 2020 IEEE International Symposium on Systems Engineering</i>. Wien.","mla":"Grote, Eva-Maria, et al. “Towards Defining Role Models in Advanced Systems Engineering.” <i>Proceedings of the 2020 IEEE International Symposium on Systems Engineering</i>, 2020.","ieee":"E.-M. Grote, S. Pfeifer, D. Röltgen, A. Kühn, and R. Dumitrescu, “Towards defining role models in Advanced Systems Engineering,” in <i>Proceedings of the 2020 IEEE International Symposium on Systems Engineering</i>, Wien, 2020.","ama":"Grote E-M, Pfeifer S, Röltgen D, Kühn A, Dumitrescu R. Towards defining role models in Advanced Systems Engineering. In: <i>Proceedings of the 2020 IEEE International Symposium on Systems Engineering</i>. ; 2020.","short":"E.-M. Grote, S. Pfeifer, D. Röltgen, A. Kühn, R. Dumitrescu, in: Proceedings of the 2020 IEEE International Symposium on Systems Engineering, 2020.","chicago":"Grote, Eva-Maria, Stefan Pfeifer, Daniel Röltgen, Arno Kühn, and Roman Dumitrescu. “Towards Defining Role Models in Advanced Systems Engineering.” In <i>Proceedings of the 2020 IEEE International Symposium on Systems Engineering</i>, 2020.","bibtex":"@inproceedings{Grote_Pfeifer_Röltgen_Kühn_Dumitrescu_2020, title={Towards defining role models in Advanced Systems Engineering}, booktitle={Proceedings of the 2020 IEEE International Symposium on Systems Engineering}, author={Grote, Eva-Maria and Pfeifer, Stefan and Röltgen, Daniel and Kühn, Arno and Dumitrescu, Roman}, year={2020} }"},"publication":"Proceedings of the 2020 IEEE International Symposium on Systems Engineering","quality_controlled":"1","date_created":"2021-03-08T10:38:12Z","department":[{"_id":"563"}],"type":"conference","conference":{"end_date":"2020-10-14","location":"Wien","name":"IEEE International Symposium on Systems Engineering","start_date":"2020-10-12"},"author":[{"first_name":"Eva-Maria","last_name":"Grote","full_name":"Grote, Eva-Maria"},{"full_name":"Pfeifer, Stefan","first_name":"Stefan","last_name":"Pfeifer"},{"full_name":"Röltgen, Daniel","last_name":"Röltgen","first_name":"Daniel"},{"full_name":"Kühn, Arno","first_name":"Arno","last_name":"Kühn"},{"id":"16190","full_name":"Dumitrescu, Roman","first_name":"Roman","last_name":"Dumitrescu"}],"year":"2020","title":"Towards defining role models in Advanced Systems Engineering","status":"public","date_updated":"2022-01-06T06:54:58Z","language":[{"iso":"eng"}],"_id":"21394","user_id":"43136"},{"has_accepted_license":"1","conference":{"end_date":"2019-08-16","location":"Waterloo, Canada","name":"Selected Areas in Cryptography","start_date":"2019-08-12"},"status":"public","ddc":["000"],"user_id":"36113","_id":"21396","project":[{"_id":"1","name":"SFB 901"},{"_id":"4","name":"SFB 901 - Project Area C"},{"name":"SFB 901 - Subproject C1","_id":"13"}],"quality_controlled":"1","citation":{"chicago":"Jager, Tibor, and David Niehues. “On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions.” In <i>Lecture Notes in Computer Science</i>. Cham, 2020. <a href=\"https://doi.org/10.1007/978-3-030-38471-5_13\">https://doi.org/10.1007/978-3-030-38471-5_13</a>.","short":"T. Jager, D. Niehues, in: Lecture Notes in Computer Science, Cham, 2020.","ieee":"T. Jager and D. Niehues, “On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions,” in <i>Lecture Notes in Computer Science</i>, Cham, 2020.","apa":"Jager, T., &#38; Niehues, D. (2020). On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions. In <i>Lecture Notes in Computer Science</i>. Cham. <a href=\"https://doi.org/10.1007/978-3-030-38471-5_13\">https://doi.org/10.1007/978-3-030-38471-5_13</a>","bibtex":"@inbook{Jager_Niehues_2020, place={Cham}, title={On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions}, DOI={<a href=\"https://doi.org/10.1007/978-3-030-38471-5_13\">10.1007/978-3-030-38471-5_13</a>}, booktitle={Lecture Notes in Computer Science}, author={Jager, Tibor and Niehues, David}, year={2020} }","ama":"Jager T, Niehues D. On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions. In: <i>Lecture Notes in Computer Science</i>. Cham; 2020. doi:<a href=\"https://doi.org/10.1007/978-3-030-38471-5_13\">10.1007/978-3-030-38471-5_13</a>","mla":"Jager, Tibor, and David Niehues. “On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions.” <i>Lecture Notes in Computer Science</i>, 2020, doi:<a href=\"https://doi.org/10.1007/978-3-030-38471-5_13\">10.1007/978-3-030-38471-5_13</a>."},"file_date_updated":"2021-03-08T17:02:37Z","place":"Cham","date_updated":"2022-01-06T06:54:58Z","publication_status":"published","author":[{"full_name":"Jager, Tibor","first_name":"Tibor","last_name":"Jager"},{"id":"36113","last_name":"Niehues","first_name":"David","full_name":"Niehues, David"}],"publication_identifier":{"issn":["0302-9743","1611-3349"],"isbn":["9783030384708","9783030384715"]},"title":"On the Real-World Instantiability of Admissible Hash Functions and Efficient Verifiable Random Functions","year":"2020","doi":"10.1007/978-3-030-38471-5_13","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://link.springer.com/content/pdf/10.1007%252F978-3-030-38471-5_13.pdf"}],"related_material":{"link":[{"url":"https://eprint.iacr.org/2019/1335.pdf","relation":"later_version"}]},"abstract":[{"lang":"eng","text":"Verifiable random functions (VRFs) are essentially digital signatures with additional properties, namely verifiable uniqueness and pseudorandomness, which make VRFs a useful tool, e.g., to prevent enumeration in DNSSEC Authenticated Denial of Existence and the CONIKS key management system, or in the random committee selection of the Algorand blockchain.\r\n\r\nMost standard-model VRFs rely on admissible hash functions (AHFs) to achieve security against adaptive attacks in the standard model. Known AHF constructions are based on error-correcting codes, which yield asymptotically efficient constructions. However, previous works do not clarify how the code should be instantiated concretely in the real world. The rate and the minimal distance of the selected code have significant impact on the efficiency of the resulting cryptosystem, therefore it is unclear if and how the aforementioned constructions can be used in practice.\r\n\r\nFirst, we explain inherent limitations of code-based AHFs. Concretely, we assume that even if we were given codes that achieve the well-known Gilbert-Varshamov or McEliece-Rodemich-Rumsey-Welch bounds, existing AHF-based constructions of verifiable random functions (VRFs) can only be instantiated quite inefficiently. Then we introduce and construct computational AHFs (cAHFs). While classical AHFs are information-theoretic, and therefore work even in presence of computationally unbounded adversaries, cAHFs provide only security against computationally bounded adversaries. However, we show that cAHFs can be instantiated significantly more efficiently. Finally, we use our cAHF to construct the currently most efficient verifiable random function with full adaptive security in the standard model."}],"publication":"Lecture Notes in Computer Science","department":[{"_id":"558"}],"type":"book_chapter","keyword":["Admissible hash functions","Verifiable random functions","Error-correcting codes","Provable security"],"date_created":"2021-03-08T16:50:31Z","file":[{"file_name":"Jager und Niehues - 2020 - On the Real-World Instantiability of Admissible Ha.pdf","access_level":"closed","file_size":706743,"relation":"main_file","date_updated":"2021-03-08T17:02:37Z","file_id":"21399","content_type":"application/pdf","creator":"davnie","date_created":"2021-03-08T17:02:37Z"}]},{"keyword":["Approximate circuit synthesis","approximate computing","error metrics","formal verification","proof-carrying hardware"],"type":"journal_article","department":[{"_id":"78"}],"date_created":"2020-07-06T11:21:30Z","abstract":[{"lang":"eng","text":"Approximate circuits trade-off computational accuracy against improvements in hardware area, delay, or energy consumption. IP core vendors who wish to create such circuits need to convince consumers of the resulting approximation quality. As a solution we propose proof-carrying approximate circuits: The vendor creates an approximate IP core together with a certificate that proves the approximation quality. The proof certificate is bundled with the approximate IP core and sent off to the consumer. The consumer can formally verify the approximation quality of the IP core at a fraction of the typical computational cost for formal verification. In this paper, we first make the case for proof-carrying approximate circuits and then demonstrate the feasibility of the approach by a set of synthesis experiments using an exemplary approximation framework."}],"publication":"IEEE Transactions On Very Large Scale Integration Systems","issue":"9","doi":"10.1109/TVLSI.2020.3008061","language":[{"iso":"eng"}],"publication_status":"published","date_updated":"2022-01-06T06:53:09Z","article_type":"original","intvolume":"        28","title":"Proof-carrying Approximate Circuits","year":"2020","author":[{"first_name":"Linus Matthias","last_name":"Witschen","full_name":"Witschen, Linus Matthias","id":"49051"},{"first_name":"Tobias","last_name":"Wiersema","full_name":"Wiersema, Tobias","id":"3118"},{"first_name":"Marco","last_name":"Platzner","full_name":"Platzner, Marco","id":"398"}],"publication_identifier":{"eissn":["1557-9999"],"issn":["1063-8210"]},"quality_controlled":"1","project":[{"name":"SFB 901 - Subproject B4","_id":"12"},{"name":"SFB 901 - Project Area B","_id":"3"},{"name":"SFB 901","_id":"1"}],"citation":{"ieee":"L. M. Witschen, T. Wiersema, and M. Platzner, “Proof-carrying Approximate Circuits,” <i>IEEE Transactions On Very Large Scale Integration Systems</i>, vol. 28, no. 9, pp. 2084–2088, 2020.","mla":"Witschen, Linus Matthias, et al. “Proof-Carrying Approximate Circuits.” <i>IEEE Transactions On Very Large Scale Integration Systems</i>, vol. 28, no. 9, IEEE, 2020, pp. 2084–88, doi:<a href=\"https://doi.org/10.1109/TVLSI.2020.3008061\">10.1109/TVLSI.2020.3008061</a>.","apa":"Witschen, L. M., Wiersema, T., &#38; Platzner, M. (2020). Proof-carrying Approximate Circuits. <i>IEEE Transactions On Very Large Scale Integration Systems</i>, <i>28</i>(9), 2084–2088. <a href=\"https://doi.org/10.1109/TVLSI.2020.3008061\">https://doi.org/10.1109/TVLSI.2020.3008061</a>","bibtex":"@article{Witschen_Wiersema_Platzner_2020, title={Proof-carrying Approximate Circuits}, volume={28}, DOI={<a href=\"https://doi.org/10.1109/TVLSI.2020.3008061\">10.1109/TVLSI.2020.3008061</a>}, number={9}, journal={IEEE Transactions On Very Large Scale Integration Systems}, publisher={IEEE}, author={Witschen, Linus Matthias and Wiersema, Tobias and Platzner, Marco}, year={2020}, pages={2084–2088} }","short":"L.M. Witschen, T. Wiersema, M. Platzner, IEEE Transactions On Very Large Scale Integration Systems 28 (2020) 2084–2088.","ama":"Witschen LM, Wiersema T, Platzner M. Proof-carrying Approximate Circuits. <i>IEEE Transactions On Very Large Scale Integration Systems</i>. 2020;28(9):2084-2088. doi:<a href=\"https://doi.org/10.1109/TVLSI.2020.3008061\">10.1109/TVLSI.2020.3008061</a>","chicago":"Witschen, Linus Matthias, Tobias Wiersema, and Marco Platzner. “Proof-Carrying Approximate Circuits.” <i>IEEE Transactions On Very Large Scale Integration Systems</i> 28, no. 9 (2020): 2084–88. <a href=\"https://doi.org/10.1109/TVLSI.2020.3008061\">https://doi.org/10.1109/TVLSI.2020.3008061</a>."},"user_id":"49051","volume":28,"page":"2084 - 2088","publisher":"IEEE","_id":"17358","funded_apc":"1","status":"public"},{"publication":"Photonics Research","issue":"9","date_created":"2020-07-16T07:35:01Z","type":"journal_article","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"}],"title":"All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers","year":"2020","publication_identifier":{"issn":["2327-9125"]},"author":[{"full_name":"Chantakit, Teanchai","first_name":"Teanchai","last_name":"Chantakit"},{"full_name":"Schlickriede, Christian","first_name":"Christian","last_name":"Schlickriede","id":"59792"},{"first_name":"Basudeb","last_name":"Sain","full_name":"Sain, Basudeb"},{"full_name":"Meyer, Fabian","last_name":"Meyer","first_name":"Fabian"},{"full_name":"Weiss, Thomas","last_name":"Weiss","first_name":"Thomas"},{"first_name":"Nattaporn","last_name":"Chattham","full_name":"Chattham, Nattaporn"},{"full_name":"Zentgraf, Thomas","first_name":"Thomas","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","id":"30525"}],"date_updated":"2022-01-06T06:53:10Z","publication_status":"published","intvolume":"         8","article_type":"original","main_file_link":[{"open_access":"1"}],"language":[{"iso":"eng"}],"doi":"10.1364/prj.389200","citation":{"mla":"Chantakit, Teanchai, et al. “All-Dielectric Silicon Metalens for Two-Dimensional Particle Manipulation in Optical Tweezers.” <i>Photonics Research</i>, vol. 8, no. 9, OSA, 2020, pp. 1435–40, doi:<a href=\"https://doi.org/10.1364/prj.389200\">10.1364/prj.389200</a>.","bibtex":"@article{Chantakit_Schlickriede_Sain_Meyer_Weiss_Chattham_Zentgraf_2020, title={All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers}, volume={8}, DOI={<a href=\"https://doi.org/10.1364/prj.389200\">10.1364/prj.389200</a>}, number={9}, journal={Photonics Research}, publisher={OSA}, author={Chantakit, Teanchai and Schlickriede, Christian and Sain, Basudeb and Meyer, Fabian and Weiss, Thomas and Chattham, Nattaporn and Zentgraf, Thomas}, year={2020}, pages={1435–1440} }","ama":"Chantakit T, Schlickriede C, Sain B, et al. All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers. <i>Photonics Research</i>. 2020;8(9):1435-1440. doi:<a href=\"https://doi.org/10.1364/prj.389200\">10.1364/prj.389200</a>","ieee":"T. Chantakit <i>et al.</i>, “All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers,” <i>Photonics Research</i>, vol. 8, no. 9, pp. 1435–1440, 2020.","apa":"Chantakit, T., Schlickriede, C., Sain, B., Meyer, F., Weiss, T., Chattham, N., &#38; Zentgraf, T. (2020). All-dielectric silicon metalens for two-dimensional particle manipulation in optical tweezers. <i>Photonics Research</i>, <i>8</i>(9), 1435–1440. <a href=\"https://doi.org/10.1364/prj.389200\">https://doi.org/10.1364/prj.389200</a>","short":"T. Chantakit, C. Schlickriede, B. Sain, F. Meyer, T. Weiss, N. Chattham, T. Zentgraf, Photonics Research 8 (2020) 1435–1440.","chicago":"Chantakit, Teanchai, Christian Schlickriede, Basudeb Sain, Fabian Meyer, Thomas Weiss, Nattaporn Chattham, and Thomas Zentgraf. “All-Dielectric Silicon Metalens for Two-Dimensional Particle Manipulation in Optical Tweezers.” <i>Photonics Research</i> 8, no. 9 (2020): 1435–40. <a href=\"https://doi.org/10.1364/prj.389200\">https://doi.org/10.1364/prj.389200</a>."},"quality_controlled":"1","oa":"1","status":"public","page":"1435-1440","publisher":"OSA","_id":"17390","user_id":"30525","volume":8},{"date_created":"2020-08-02T07:22:03Z","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"}],"type":"journal_article","issue":"31","publication":"Science Advances","abstract":[{"lang":"eng","text":"<jats:p>Compact and robust cold atom sources are increasingly important for quantum research, especially for transferring cutting-edge quantum science into practical applications. In this study, we report on a novel scheme that uses a metasurface optical chip to replace the conventional bulky optical elements used to produce a cold atomic ensemble with a single incident laser beam, which is split by the metasurface into multiple beams of the desired polarization states. Atom numbers ~10<jats:sup>7</jats:sup> and temperatures (about 35 μK) of relevance to quantum sensing are achieved in a compact and robust fashion. Our work highlights the substantial progress toward fully integrated cold atom quantum devices by exploiting metasurface optical chips, which may have great potential in quantum sensing, quantum computing, and other areas.</jats:p>"}],"language":[{"iso":"eng"}],"article_number":"eabb6667","doi":"10.1126/sciadv.abb6667","publication_identifier":{"issn":["2375-2548"]},"author":[{"full_name":"Zhu, Lingxiao","last_name":"Zhu","first_name":"Lingxiao"},{"last_name":"Liu","first_name":"Xuan","full_name":"Liu, Xuan"},{"full_name":"Sain, Basudeb","first_name":"Basudeb","last_name":"Sain"},{"full_name":"Wang, Mengyao","last_name":"Wang","first_name":"Mengyao"},{"full_name":"Schlickriede, Christian","first_name":"Christian","last_name":"Schlickriede","id":"59792"},{"first_name":"Yutao","last_name":"Tang","full_name":"Tang, Yutao"},{"first_name":"Junhong","last_name":"Deng","full_name":"Deng, Junhong"},{"full_name":"Li, Kingfai","last_name":"Li","first_name":"Kingfai"},{"first_name":"Jun","last_name":"Yang","full_name":"Yang, Jun"},{"last_name":"Holynski","first_name":"Michael","full_name":"Holynski, Michael"},{"last_name":"Zhang","first_name":"Shuang","full_name":"Zhang, Shuang"},{"first_name":"Thomas","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","full_name":"Zentgraf, Thomas","id":"30525"},{"first_name":"Kai","last_name":"Bongs","full_name":"Bongs, Kai"},{"full_name":"Lien, Yu-Hung","last_name":"Lien","first_name":"Yu-Hung"},{"first_name":"Guixin","last_name":"Li","full_name":"Li, Guixin"}],"year":"2020","title":"A dielectric metasurface optical chip for the generation of cold atoms","article_type":"original","intvolume":"         6","publication_status":"published","date_updated":"2022-01-06T06:53:14Z","citation":{"apa":"Zhu, L., Liu, X., Sain, B., Wang, M., Schlickriede, C., Tang, Y., … Li, G. (2020). A dielectric metasurface optical chip for the generation of cold atoms. <i>Science Advances</i>, <i>6</i>(31). <a href=\"https://doi.org/10.1126/sciadv.abb6667\">https://doi.org/10.1126/sciadv.abb6667</a>","ieee":"L. Zhu <i>et al.</i>, “A dielectric metasurface optical chip for the generation of cold atoms,” <i>Science Advances</i>, vol. 6, no. 31, 2020.","chicago":"Zhu, Lingxiao, Xuan Liu, Basudeb Sain, Mengyao Wang, Christian Schlickriede, Yutao Tang, Junhong Deng, et al. “A Dielectric Metasurface Optical Chip for the Generation of Cold Atoms.” <i>Science Advances</i> 6, no. 31 (2020). <a href=\"https://doi.org/10.1126/sciadv.abb6667\">https://doi.org/10.1126/sciadv.abb6667</a>.","short":"L. Zhu, X. Liu, B. Sain, M. Wang, C. Schlickriede, Y. Tang, J. Deng, K. Li, J. Yang, M. Holynski, S. Zhang, T. Zentgraf, K. Bongs, Y.-H. Lien, G. Li, Science Advances 6 (2020).","mla":"Zhu, Lingxiao, et al. “A Dielectric Metasurface Optical Chip for the Generation of Cold Atoms.” <i>Science Advances</i>, vol. 6, no. 31, eabb6667, American Association for the Advancement of Science, 2020, doi:<a href=\"https://doi.org/10.1126/sciadv.abb6667\">10.1126/sciadv.abb6667</a>.","ama":"Zhu L, Liu X, Sain B, et al. A dielectric metasurface optical chip for the generation of cold atoms. <i>Science Advances</i>. 2020;6(31). doi:<a href=\"https://doi.org/10.1126/sciadv.abb6667\">10.1126/sciadv.abb6667</a>","bibtex":"@article{Zhu_Liu_Sain_Wang_Schlickriede_Tang_Deng_Li_Yang_Holynski_et al._2020, title={A dielectric metasurface optical chip for the generation of cold atoms}, volume={6}, DOI={<a href=\"https://doi.org/10.1126/sciadv.abb6667\">10.1126/sciadv.abb6667</a>}, number={31eabb6667}, journal={Science Advances}, publisher={American Association for the Advancement of Science}, author={Zhu, Lingxiao and Liu, Xuan and Sain, Basudeb and Wang, Mengyao and Schlickriede, Christian and Tang, Yutao and Deng, Junhong and Li, Kingfai and Yang, Jun and Holynski, Michael and et al.}, year={2020} }"},"quality_controlled":"1","publisher":"American Association for the Advancement of Science","_id":"17523","volume":6,"user_id":"30525","status":"public"},{"year":"2020","status":"public","title":"Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts","author":[{"full_name":"Reitz, Alexander","first_name":"Alexander","last_name":"Reitz","orcid":"0000-0001-9047-467X","id":"24803"},{"last_name":"Grydin","first_name":"Olexandr","full_name":"Grydin, Olexandr","id":"43822"},{"full_name":"Schaper, Mirko","last_name":"Schaper","first_name":"Mirko","id":"43720"}],"publication_identifier":{"issn":["2367-1181","2367-1696"]},"publication_status":"published","date_updated":"2022-01-06T06:56:00Z","main_file_link":[{"url":"https://link.springer.com/chapter/10.1007/978-3-030-36628-5_7"}],"publisher":"Springer","_id":"23801","language":[{"iso":"eng"}],"user_id":"24803","doi":"10.1007/978-3-030-36628-5_7","publication":"The Minerals, Metals & Materials Series","citation":{"mla":"Reitz, Alexander, et al. “Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts.” <i>The Minerals, Metals &#38; Materials Series</i>, Springer, 2020, doi:<a href=\"https://doi.org/10.1007/978-3-030-36628-5_7\">10.1007/978-3-030-36628-5_7</a>.","ama":"Reitz A, Grydin O, Schaper M. Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts. In: <i>The Minerals, Metals &#38; Materials Series</i>. Springer; 2020. doi:<a href=\"https://doi.org/10.1007/978-3-030-36628-5_7\">10.1007/978-3-030-36628-5_7</a>","bibtex":"@inbook{Reitz_Grydin_Schaper_2020, place={Cham}, title={Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts}, DOI={<a href=\"https://doi.org/10.1007/978-3-030-36628-5_7\">10.1007/978-3-030-36628-5_7</a>}, booktitle={The Minerals, Metals &#38; Materials Series}, publisher={Springer}, author={Reitz, Alexander and Grydin, Olexandr and Schaper, Mirko}, year={2020} }","apa":"Reitz, A., Grydin, O., &#38; Schaper, M. (2020). Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts. In <i>The Minerals, Metals &#38; Materials Series</i>. Springer. <a href=\"https://doi.org/10.1007/978-3-030-36628-5_7\">https://doi.org/10.1007/978-3-030-36628-5_7</a>","ieee":"A. Reitz, O. Grydin, and M. Schaper, “Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts,” in <i>The Minerals, Metals &#38; Materials Series</i>, Cham: Springer, 2020.","chicago":"Reitz, Alexander, Olexandr Grydin, and Mirko Schaper. “Phase Transformation Characterization by Means of High Temperature Digital Image Correlation for Graded Thermo-Mechanical Processing of Sheet Parts.” In <i>The Minerals, Metals &#38; Materials Series</i>. Cham: Springer, 2020. <a href=\"https://doi.org/10.1007/978-3-030-36628-5_7\">https://doi.org/10.1007/978-3-030-36628-5_7</a>.","short":"A. Reitz, O. Grydin, M. Schaper, in: The Minerals, Metals &#38; Materials Series, Springer, Cham, 2020."},"quality_controlled":"1","date_created":"2021-09-06T13:24:55Z","place":"Cham","type":"book_chapter","department":[{"_id":"158"},{"_id":"321"}]},{"citation":{"apa":"Schöppner, V., &#38; Brüning, F. (2020). Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders based on Discrete Element Simulations. In C. Hopmann &#38; R. Dahlmann (Eds.), <i>Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology</i>. Springer.","ieee":"V. Schöppner and F. Brüning, “Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders based on Discrete Element Simulations,” in <i>Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology</i>, 2020.","short":"V. Schöppner, F. Brüning, in: C. Hopmann, R. Dahlmann (Eds.), Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology, Springer, 2020.","chicago":"Schöppner, Volker, and Florian Brüning. “Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders Based on Discrete Element Simulations.” In <i>Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology</i>, edited by Christian Hopmann and Rainer Dahlmann. Springer, 2020.","mla":"Schöppner, Volker, and Florian Brüning. “Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders Based on Discrete Element Simulations.” <i>Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology</i>, edited by Christian Hopmann and Rainer Dahlmann, Springer, 2020.","ama":"Schöppner V, Brüning F. Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders based on Discrete Element Simulations. In: Hopmann C, Dahlmann R, eds. <i>Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology</i>. Springer; 2020.","bibtex":"@inproceedings{Schöppner_Brüning_2020, title={Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders based on Discrete Element Simulations}, booktitle={Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology}, publisher={Springer}, author={Schöppner, Volker and Brüning, Florian}, editor={Hopmann, Christian and Dahlmann, Rainer}, year={2020} }"},"publication":"Advances in Polymer Processing 2020: Proceedings of the International Symposium on Plastics Technology","quality_controlled":"1","abstract":[{"lang":"eng","text":"Regarding the design of single screw extruders, the prediction of the throughput needs to be of high accuracy. The calculation of the solids conveying throughput is particularly important for extruders with a grooved feed section. In contrast to smooth barrel extruders the throughput of the entire plant is determined at the feed section. Various simplifications are necessary for an analytical modelling of the solids conveying, e.g. the classification into conveying cases, the assumption of solid block flow and the assumption of pressure anisotropy coefficients. In numerical simulations with the Discrete Element Method (DEM), which has recently been successfully used to describe solids conveying in smooth barrel extruders, the simplifications mentioned above are not taken into account. Here, the pellets are approximated as spherical particles or particles composed of spheres. Based on virtual overlaps, contact models and the solution of Newton's equations of motion, a more complex consideration of the pellet flow is possible. In each iteration step of the simulation, the particle velocities, contact forces and derived quantities, e.g. the mass throughput in the screw channel and the grooves or the radial pressure build-up along the grooved barrel can be evaluated. Therefore, a DEM simulation model can be investigated by means of statistical design of experiments in order to convert the target values into a metamodel by regression. Long computation times of numerical simulations will be avoided in this matter as well as too simple assumptions of analytical approaches. The influencing parameters to be simulated are divided into material, geometry and process parameters. Relevant material parameters are the coefficients of friction of the polymer-polymer and polymer-steel surface as well as the restitution coefficient and the particle diameter. The geometry is varied in the form of the screw diameter, the channel depth and pitch, the number of grooves and their width, depth and angle. By varying the angle, both conventional axial grooves and helical grooves are taken into account. Finally, the process parameters speed and backpressure are also considered in the simulations. In order to reduce the simulation effort, irrelevant parameters are identified in preliminary investigations.\r\n"}],"date_created":"2021-09-07T11:21:23Z","department":[{"_id":"9"},{"_id":"367"}],"type":"conference","publication_identifier":{"unknown":["9783662608081"]},"author":[{"id":"20530","last_name":"Schöppner","first_name":"Volker","full_name":"Schöppner, Volker"},{"id":"72920","last_name":"Brüning","first_name":"Florian","full_name":"Brüning, Florian"}],"status":"public","year":"2020","title":"Development of a Solids Conveying Throughput Model for Grooved Barrel Extruders based on Discrete Element Simulations","date_updated":"2022-01-06T06:56:02Z","publication_status":"published","language":[{"iso":"eng"}],"_id":"23865","publisher":"Springer","editor":[{"full_name":"Hopmann, Christian","last_name":"Hopmann","first_name":"Christian"},{"full_name":"Dahlmann, Rainer","last_name":"Dahlmann","first_name":"Rainer"}],"user_id":"72920"},{"type":"conference","department":[{"_id":"563"}],"date_created":"2020-11-13T14:25:22Z","quality_controlled":"1","publication":"Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”","citation":{"ama":"Koldewey C, Gausemeier J, Chohan N, Frank M, Reinhold J, Dumitrescu R. Aligning Strategy and Structure for Smart Service Businesses in Manufacturing. In: IEEE, ed. <i>Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”</i>.","bibtex":"@inproceedings{Koldewey_Gausemeier_Chohan_Frank_Reinhold_Dumitrescu, title={Aligning Strategy and Structure for Smart Service Businesses in Manufacturing}, booktitle={Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”}, author={Koldewey, Christian and Gausemeier, Jürgen and Chohan, Nadia and Frank, Maximilian and Reinhold, Jannik and Dumitrescu, Roman}, editor={IEEEEditor} }","mla":"Koldewey, Christian, et al. “Aligning Strategy and Structure for Smart Service Businesses in Manufacturing.” <i>Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”</i>, edited by IEEE.","short":"C. Koldewey, J. Gausemeier, N. Chohan, M. Frank, J. Reinhold, R. Dumitrescu, in: IEEE (Ed.), Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”, n.d.","chicago":"Koldewey, Christian, Jürgen Gausemeier, Nadia Chohan, Maximilian Frank, Jannik Reinhold, and Roman Dumitrescu. “Aligning Strategy and Structure for Smart Service Businesses in Manufacturing.” In <i>Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”</i>, edited by IEEE, n.d.","apa":"Koldewey, C., Gausemeier, J., Chohan, N., Frank, M., Reinhold, J., &#38; Dumitrescu, R. (n.d.). Aligning Strategy and Structure for Smart Service Businesses in Manufacturing. In IEEE (Ed.), <i>Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”</i>. Marrakesch, Marocco.","ieee":"C. Koldewey, J. Gausemeier, N. Chohan, M. Frank, J. Reinhold, and R. Dumitrescu, “Aligning Strategy and Structure for Smart Service Businesses in Manufacturing,” in <i>Proceedings of the IEEE International Conference on Technology Management, Operations and Decisions ”Disruptive Technologies and Social Impacts”</i>, Marrakesch, Marocco."},"user_id":"43136","_id":"20355","language":[{"iso":"eng"}],"publication_status":"inpress","date_updated":"2022-01-06T06:54:26Z","title":"Aligning Strategy and Structure for Smart Service Businesses in Manufacturing","status":"public","year":"2020","corporate_editor":["IEEE"],"author":[{"id":"43136","full_name":"Koldewey, Christian","first_name":"Christian","orcid":"https://orcid.org/0000-0001-7992-6399","last_name":"Koldewey"},{"last_name":"Gausemeier","first_name":"Jürgen","full_name":"Gausemeier, Jürgen"},{"full_name":"Chohan, Nadia","last_name":"Chohan","first_name":"Nadia"},{"first_name":"Maximilian","last_name":"Frank","full_name":"Frank, Maximilian"},{"first_name":"Jannik","last_name":"Reinhold","full_name":"Reinhold, Jannik","id":"33669"},{"first_name":"Roman","last_name":"Dumitrescu","full_name":"Dumitrescu, Roman","id":"16190"}],"conference":{"location":"Marrakesch, Marocco","start_date":"20201123","name":"IEEE International Conference on Technology Management, Operations and Decisions","end_date":"20201125"}},{"year":"2020","title":"Systematische Entwicklung von Normstrategien für Smart Services","author":[{"full_name":"Koldewey, Christian","last_name":"Koldewey","orcid":"https://orcid.org/0000-0001-7992-6399","first_name":"Christian","id":"43136"},{"full_name":"Frank, Maximilian","last_name":"Frank","first_name":"Maximilian"},{"last_name":"Gausemeier","first_name":"Jürgen","full_name":"Gausemeier, Jürgen"},{"full_name":"Bäsecke, Alexander","first_name":"Alexander","last_name":"Bäsecke"},{"last_name":"Reinhold","first_name":"Jannik","full_name":"Reinhold, Jannik","id":"33669"},{"last_name":"Dumitrescu","first_name":"Roman","full_name":"Dumitrescu, Roman","id":"16190"}],"date_updated":"2022-01-06T06:54:26Z","publication_status":"published","intvolume":"       115","article_type":"original","language":[{"iso":"ger"}],"doi":"10.3139/104.112297","issue":"7-8","publication":"ZWF Zeitschrift für wirtschaftliche Fabrikplanung","abstract":[{"lang":"ger","text":"Die Verfügbarkeit von Daten aus dem Betrieb hat durch die Einführung von vernetzten intelligenten Fertigungssystemen (cyber-physische Systeme) stark zugenommen. Hieraus eröffnen sich Erfolg versprechende Möglichkeiten für Smart Services und damit verbundene neue Geschäftsfelder. Voraussetzung für den Eintritt in ein neues Geschäft mit Smart Services ist eine fundierte Geschäftsstrategie. Wir zeigen die zentralen Gestaltungsfelder von Smart Service-Strategien auf und erläutern, wie sechs von uns ermittelte Normstrategien bei der Formulierung einer attraktiven Strategie helfen können."}],"date_created":"2020-11-16T12:29:33Z","keyword":["Smart Service","Digitalisierung","Industrie 4.0"],"type":"journal_article","department":[{"_id":"563"}],"status":"public","page":"524-528","_id":"20363","publisher":"Hanser","user_id":"43136","volume":115,"citation":{"apa":"Koldewey, C., Frank, M., Gausemeier, J., Bäsecke, A., Reinhold, J., &#38; Dumitrescu, R. (2020). Systematische Entwicklung von Normstrategien für Smart Services. <i>ZWF Zeitschrift für wirtschaftliche Fabrikplanung</i>, <i>115</i>(7–8), 524–528. <a href=\"https://doi.org/10.3139/104.112297\">https://doi.org/10.3139/104.112297</a>","mla":"Koldewey, Christian, et al. “Systematische Entwicklung von Normstrategien für Smart Services.” <i>ZWF Zeitschrift für wirtschaftliche Fabrikplanung</i>, vol. 115, no. 7–8, Hanser, 2020, pp. 524–28, doi:<a href=\"https://doi.org/10.3139/104.112297\">10.3139/104.112297</a>.","ieee":"C. Koldewey, M. Frank, J. Gausemeier, A. Bäsecke, J. Reinhold, and R. Dumitrescu, “Systematische Entwicklung von Normstrategien für Smart Services,” <i>ZWF Zeitschrift für wirtschaftliche Fabrikplanung</i>, vol. 115, no. 7–8, pp. 524–528, 2020.","chicago":"Koldewey, Christian, Maximilian Frank, Jürgen Gausemeier, Alexander Bäsecke, Jannik Reinhold, and Roman Dumitrescu. “Systematische Entwicklung von Normstrategien für Smart Services.” <i>ZWF Zeitschrift für wirtschaftliche Fabrikplanung</i> 115, no. 7–8 (2020): 524–28. <a href=\"https://doi.org/10.3139/104.112297\">https://doi.org/10.3139/104.112297</a>.","short":"C. Koldewey, M. Frank, J. Gausemeier, A. Bäsecke, J. Reinhold, R. Dumitrescu, ZWF Zeitschrift für wirtschaftliche Fabrikplanung 115 (2020) 524–528.","ama":"Koldewey C, Frank M, Gausemeier J, Bäsecke A, Reinhold J, Dumitrescu R. Systematische Entwicklung von Normstrategien für Smart Services. <i>ZWF Zeitschrift für wirtschaftliche Fabrikplanung</i>. 2020;115(7-8):524-528. doi:<a href=\"https://doi.org/10.3139/104.112297\">10.3139/104.112297</a>","bibtex":"@article{Koldewey_Frank_Gausemeier_Bäsecke_Reinhold_Dumitrescu_2020, title={Systematische Entwicklung von Normstrategien für Smart Services}, volume={115}, DOI={<a href=\"https://doi.org/10.3139/104.112297\">10.3139/104.112297</a>}, number={7–8}, journal={ZWF Zeitschrift für wirtschaftliche Fabrikplanung}, publisher={Hanser}, author={Koldewey, Christian and Frank, Maximilian and Gausemeier, Jürgen and Bäsecke, Alexander and Reinhold, Jannik and Dumitrescu, Roman}, year={2020}, pages={524–528} }"},"quality_controlled":"1"}]