[{"intvolume":"        91","date_updated":"2026-01-05T07:40:49Z","publication_identifier":{"issn":["1468-1218"]},"author":[{"id":"11829","orcid":"0000-0002-4393-268X","last_name":"Claes","first_name":"Leander","full_name":"Claes, Leander"},{"full_name":"Winkler, Michael","first_name":"Michael","last_name":"Winkler","id":"31496"}],"year":"2026","title":"Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis","status":"public","volume":91,"doi":"10.1016/j.nonrwa.2025.104580","user_id":"11829","_id":"63435","language":[{"iso":"eng"}],"publisher":"Elsevier BV","page":"104580","project":[{"_id":"245","name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)"}],"citation":{"mla":"Claes, Leander, and Michael Winkler. “Describing Smooth Small-Data Solutions to a Quasilinear Hyperbolic-Parabolic System by W 1,P Energy Analysis.” <i>Nonlinear Analysis: Real World Applications</i>, vol. 91, Elsevier BV, 2026, p. 104580, doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>.","ama":"Claes L, Winkler M. Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis. <i>Nonlinear Analysis: Real World Applications</i>. 2026;91:104580. doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>","bibtex":"@article{Claes_Winkler_2026, title={Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis}, volume={91}, DOI={<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>}, journal={Nonlinear Analysis: Real World Applications}, publisher={Elsevier BV}, author={Claes, Leander and Winkler, Michael}, year={2026}, pages={104580} }","apa":"Claes, L., &#38; Winkler, M. (2026). Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis. <i>Nonlinear Analysis: Real World Applications</i>, <i>91</i>, 104580. <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">https://doi.org/10.1016/j.nonrwa.2025.104580</a>","ieee":"L. Claes and M. Winkler, “Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis,” <i>Nonlinear Analysis: Real World Applications</i>, vol. 91, p. 104580, 2026, doi: <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>.","chicago":"Claes, Leander, and Michael Winkler. “Describing Smooth Small-Data Solutions to a Quasilinear Hyperbolic-Parabolic System by W 1,P Energy Analysis.” <i>Nonlinear Analysis: Real World Applications</i> 91 (2026): 104580. <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">https://doi.org/10.1016/j.nonrwa.2025.104580</a>.","short":"L. Claes, M. Winkler, Nonlinear Analysis: Real World Applications 91 (2026) 104580."},"publication":"Nonlinear Analysis: Real World Applications","department":[{"_id":"49"},{"_id":"90"}],"type":"journal_article","date_created":"2026-01-05T07:32:00Z"},{"publication":"Fortschritte der Akustik - DAGA 2026","citation":{"chicago":"Zeipert, Henning, Leander Claes, Jonas Hölscher, Mareen Wippermann, and Bernd Henning. “An Approach for the Efficient Solution of Eigenvalue-Based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves.” In <i>Fortschritte Der Akustik - DAGA 2026</i>, edited by Deutsche Gesellschaft für Akustik e.V., 1566–1569. Dresden, 2026. <a href=\"https://doi.org/10.71568/DAGA2026.043\">https://doi.org/10.71568/DAGA2026.043</a>.","short":"H. Zeipert, L. Claes, J. Hölscher, M. Wippermann, B. Henning, in: Deutsche Gesellschaft für Akustik e.V. (Ed.), Fortschritte Der Akustik - DAGA 2026, Dresden, 2026, pp. 1566–1569.","apa":"Zeipert, H., Claes, L., Hölscher, J., Wippermann, M., &#38; Henning, B. (2026). An Approach for the Efficient Solution of Eigenvalue-based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves. In Deutsche Gesellschaft für Akustik e.V. (Ed.), <i>Fortschritte der Akustik - DAGA 2026</i> (pp. 1566–1569). <a href=\"https://doi.org/10.71568/DAGA2026.043\">https://doi.org/10.71568/DAGA2026.043</a>","ieee":"H. Zeipert, L. Claes, J. Hölscher, M. Wippermann, and B. Henning, “An Approach for the Efficient Solution of Eigenvalue-based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves,” in <i>Fortschritte der Akustik - DAGA 2026</i>, 2026, pp. 1566–1569, doi: <a href=\"https://doi.org/10.71568/DAGA2026.043\">10.71568/DAGA2026.043</a>.","ama":"Zeipert H, Claes L, Hölscher J, Wippermann M, Henning B. An Approach for the Efficient Solution of Eigenvalue-based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves. In: Deutsche Gesellschaft für Akustik e.V., ed. <i>Fortschritte Der Akustik - DAGA 2026</i>. ; 2026:1566–1569. doi:<a href=\"https://doi.org/10.71568/DAGA2026.043\">10.71568/DAGA2026.043</a>","bibtex":"@inproceedings{Zeipert_Claes_Hölscher_Wippermann_Henning_2026, place={Dresden}, title={An Approach for the Efficient Solution of Eigenvalue-based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves}, DOI={<a href=\"https://doi.org/10.71568/DAGA2026.043\">10.71568/DAGA2026.043</a>}, booktitle={Fortschritte der Akustik - DAGA 2026}, author={Zeipert, Henning and Claes, Leander and Hölscher, Jonas and Wippermann, Mareen and Henning, Bernd}, editor={Deutsche Gesellschaft für Akustik e.V.}, year={2026}, pages={1566–1569} }","mla":"Zeipert, Henning, et al. “An Approach for the Efficient Solution of Eigenvalue-Based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves.” <i>Fortschritte Der Akustik - DAGA 2026</i>, edited by Deutsche Gesellschaft für Akustik e.V., 2026, pp. 1566–1569, doi:<a href=\"https://doi.org/10.71568/DAGA2026.043\">10.71568/DAGA2026.043</a>."},"project":[{"_id":"105","name":"Vermiedene Kreuzungen von Lamb-Wellenmoden in mehrlagigen Strukturen"}],"place":"Dresden","date_created":"2026-05-08T12:29:43Z","type":"conference","department":[{"_id":"49"}],"year":"2026","status":"public","title":"An Approach for the Efficient Solution of Eigenvalue-based Inverse Problems for the Material Characterisation Using Guided Acoustic Waves","corporate_editor":["Deutsche Gesellschaft für Akustik e.V."],"author":[{"full_name":"Zeipert, Henning","last_name":"Zeipert","first_name":"Henning","id":"32580"},{"id":"11829","first_name":"Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","full_name":"Claes, Leander"},{"last_name":"Hölscher","first_name":"Jonas","full_name":"Hölscher, Jonas","id":"73952"},{"first_name":"Mareen","last_name":"Wippermann","full_name":"Wippermann, Mareen","id":"74624"},{"id":"213","full_name":"Henning, Bernd","last_name":"Henning","first_name":"Bernd"}],"date_updated":"2026-05-08T12:32:54Z","page":"1566–1569","_id":"65586","language":[{"iso":"eng"}],"doi":"10.71568/DAGA2026.043","user_id":"11829"},{"citation":{"mla":"Claes, Leander. “Simultaneous Measurement of Bulk and Shear Viscosity Using Guided Acoustic Waves.” <i>Fortschritte Der Akustik - DAGA 2026</i>, edited by Deutsche Gesellschaft für Akustik e.V., 2026, pp. 1089–1092, doi:<a href=\"https://doi.org/10.71568/DAGA2026.006\">10.71568/DAGA2026.006</a>.","ama":"Claes L. Simultaneous measurement of bulk and shear viscosity using guided acoustic waves. In: Deutsche Gesellschaft für Akustik e.V., ed. <i>Fortschritte Der Akustik - DAGA 2026</i>. ; 2026:1089–1092. doi:<a href=\"https://doi.org/10.71568/DAGA2026.006\">10.71568/DAGA2026.006</a>","bibtex":"@inproceedings{Claes_2026, place={Dresden}, title={Simultaneous measurement of bulk and shear viscosity using guided acoustic waves}, DOI={<a href=\"https://doi.org/10.71568/DAGA2026.006\">10.71568/DAGA2026.006</a>}, booktitle={Fortschritte der Akustik - DAGA 2026}, author={Claes, Leander}, editor={Deutsche Gesellschaft für Akustik e.V.}, year={2026}, pages={1089–1092} }","apa":"Claes, L. (2026). Simultaneous measurement of bulk and shear viscosity using guided acoustic waves. In Deutsche Gesellschaft für Akustik e.V. (Ed.), <i>Fortschritte der Akustik - DAGA 2026</i> (pp. 1089–1092). <a href=\"https://doi.org/10.71568/DAGA2026.006\">https://doi.org/10.71568/DAGA2026.006</a>","ieee":"L. Claes, “Simultaneous measurement of bulk and shear viscosity using guided acoustic waves,” in <i>Fortschritte der Akustik - DAGA 2026</i>, 2026, pp. 1089–1092, doi: <a href=\"https://doi.org/10.71568/DAGA2026.006\">10.71568/DAGA2026.006</a>.","chicago":"Claes, Leander. “Simultaneous Measurement of Bulk and Shear Viscosity Using Guided Acoustic Waves.” In <i>Fortschritte Der Akustik - DAGA 2026</i>, edited by Deutsche Gesellschaft für Akustik e.V., 1089–1092. Dresden, 2026. <a href=\"https://doi.org/10.71568/DAGA2026.006\">https://doi.org/10.71568/DAGA2026.006</a>.","short":"L. Claes, in: Deutsche Gesellschaft für Akustik e.V. (Ed.), Fortschritte Der Akustik - DAGA 2026, Dresden, 2026, pp. 1089–1092."},"publication":"Fortschritte der Akustik - DAGA 2026","department":[{"_id":"49"}],"type":"conference","date_created":"2026-05-08T12:30:37Z","place":"Dresden","date_updated":"2026-05-08T12:33:01Z","author":[{"full_name":"Claes, Leander","orcid":"0000-0002-4393-268X","first_name":"Leander","last_name":"Claes","id":"11829"}],"corporate_editor":["Deutsche Gesellschaft für Akustik e.V."],"year":"2026","title":"Simultaneous measurement of bulk and shear viscosity using guided acoustic waves","status":"public","user_id":"11829","doi":"10.71568/DAGA2026.006","_id":"65587","language":[{"iso":"eng"}],"page":"1089–1092"},{"type":"conference_abstract","department":[{"_id":"49"}],"place":"96th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)","date_created":"2026-05-13T14:24:34Z","project":[{"_id":"245","name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)"}],"citation":{"ama":"Friesen O, Hölscher J, Siegmund MBK, Claes L, Henning B. Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems. In: ; 2026.","bibtex":"@inproceedings{Friesen_Hölscher_Siegmund_Claes_Henning_2026, place={96th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM)}, title={Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems}, author={Friesen, Olga and Hölscher, Jonas and Siegmund, Michael B. K. and Claes, Leander and Henning, Bernd}, year={2026} }","mla":"Friesen, Olga, et al. <i>Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems</i>. 2026.","chicago":"Friesen, Olga, Jonas Hölscher, Michael B. K. Siegmund, Leander Claes, and Bernd Henning. “Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems.” 96th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 2026.","short":"O. Friesen, J. Hölscher, M.B.K. Siegmund, L. Claes, B. Henning, in: 96th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM), 2026.","apa":"Friesen, O., Hölscher, J., Siegmund, M. B. K., Claes, L., &#38; Henning, B. (2026). <i>Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems</i>.","ieee":"O. Friesen, J. Hölscher, M. B. K. Siegmund, L. Claes, and B. Henning, “Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems,” 2026."},"user_id":"44026","_id":"65625","language":[{"iso":"eng"}],"date_updated":"2026-05-13T14:25:54Z","title":"Experimental and Numerical Investigation of Jump Phenomena in the Frequency Response of Piezoelectric Systems","year":"2026","status":"public","author":[{"full_name":"Friesen, Olga","last_name":"Friesen","first_name":"Olga","id":"44026"},{"last_name":"Hölscher","first_name":"Jonas","full_name":"Hölscher, Jonas","id":"73952"},{"first_name":"Michael B. K.","last_name":"Siegmund","full_name":"Siegmund, Michael B. K."},{"id":"11829","last_name":"Claes","first_name":"Leander","orcid":"0000-0002-4393-268X","full_name":"Claes, Leander"},{"id":"213","last_name":"Henning","first_name":"Bernd","full_name":"Henning, Bernd"}]},{"project":[{"name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung","grant_number":"495847374","_id":"157"}],"quality_controlled":"1","abstract":[{"text":"With the growing demand for lightweight solutions to reduce emissions, especially in the transportation, automotive and aerospace sectors, recyclable, continuous fiber-reinforced plastic composite laminates with a thermoplastic matrix are of rising interest. To achieve their maximum mechanical properties, the fiber-matrix adhesion (FMA) is critical. In this work, continuous fiber-reinforced thermoplastic laminates (CFRTPL) with a polypropylene (PP) matrix and twill woven glass fiber fabrics are produced by film stacking. The films used contain different amounts of maleic-anhydride-grafted PP (MA-g-PP) as a coupling agent to produce CFRTPL of different mechanical strengths. To analyze the FMA, the CFRTPL are subjected to Charpy-impact and tensile tests. Additionally, single fiber pull-out tests (SFPT) are conducted to further investigate the effect of MA-g-PP on the FMA. The results of the SFPT show an improvement in apparent interfacial shear strength (AIFSS) when the MA-g-PP content is increased, which can be attributed to an increase in FMA. However, the research shows that MA-g-PP has a low impact on the mechanical properties if the force is applied parallel to the warp and weft threads during tensile testing and the results of the Charpy-impact testing suffer from embrittlement of the matrix material. Subsequently, the results of this study are compared to three-point flexural tests conducted in a previous study. It can be concluded that tensile and impact tests are not suited to investigate FMA on a macroscopic scale, while SFPT and flexural tests provide a better alternative.","lang":"eng"}],"citation":{"mla":"Moritzer, Elmar, et al. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” <i>International Polymer Processing</i>, Walter de Gruyter GmbH, 2026, doi:<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>.","ama":"Moritzer E, Brandes P, Wittler M, et al. Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. <i>International Polymer Processing</i>. Published online 2026. doi:<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>","bibtex":"@article{Moritzer_Brandes_Wittler_Claes_Wippermann_Haag_Gries_Henning_2026, title={Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties}, DOI={<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>}, journal={International Polymer Processing}, publisher={Walter de Gruyter GmbH}, author={Moritzer, Elmar and Brandes, Philipp and Wittler, Maurice and Claes, Leander and Wippermann, Mareen and Haag, Markus and Gries, Thomas and Henning, Bernd}, year={2026} }","apa":"Moritzer, E., Brandes, P., Wittler, M., Claes, L., Wippermann, M., Haag, M., Gries, T., &#38; Henning, B. (2026). Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. <i>International Polymer Processing</i>. <a href=\"https://doi.org/10.1515/ipp-2025-0077\">https://doi.org/10.1515/ipp-2025-0077</a>","ieee":"E. Moritzer <i>et al.</i>, “Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties,” <i>International Polymer Processing</i>, 2026, doi: <a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>.","chicago":"Moritzer, Elmar, Philipp Brandes, Maurice Wittler, Leander Claes, Mareen Wippermann, Markus Haag, Thomas Gries, and Bernd Henning. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” <i>International Polymer Processing</i>, 2026. <a href=\"https://doi.org/10.1515/ipp-2025-0077\">https://doi.org/10.1515/ipp-2025-0077</a>.","short":"E. Moritzer, P. Brandes, M. Wittler, L. Claes, M. Wippermann, M. Haag, T. Gries, B. Henning, International Polymer Processing (2026)."},"publication":"International Polymer Processing","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"},{"_id":"34"},{"_id":"49"}],"type":"journal_article","date_created":"2026-03-30T14:14:33Z","publication_status":"published","date_updated":"2026-05-18T13:06:11Z","author":[{"full_name":"Moritzer, Elmar","first_name":"Elmar","last_name":"Moritzer","id":"20531"},{"full_name":"Brandes, Philipp","first_name":"Philipp","orcid":"0009-0005-9707-0885","last_name":"Brandes","id":"70091"},{"full_name":"Wittler, Maurice","last_name":"Wittler","first_name":"Maurice","id":"76071"},{"first_name":"Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","full_name":"Claes, Leander","id":"11829"},{"full_name":"Wippermann, Mareen","first_name":"Mareen","last_name":"Wippermann","id":"74624"},{"full_name":"Haag, Markus","last_name":"Haag","first_name":"Markus"},{"first_name":"Thomas","last_name":"Gries","full_name":"Gries, Thomas"},{"full_name":"Henning, Bernd","last_name":"Henning","first_name":"Bernd","id":"213"}],"publication_identifier":{"issn":["0930-777X","2195-8602"]},"year":"2026","status":"public","title":"Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties","user_id":"11829","doi":"10.1515/ipp-2025-0077","publisher":"Walter de Gruyter GmbH","_id":"65242","language":[{"iso":"eng"}]},{"date_updated":"2026-06-08T17:54:45Z","publication_status":"published","year":"2026","title":"Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications","publication_identifier":{"issn":["0171-8096","2196-7113"]},"author":[{"last_name":"Friesen","orcid":"0009-0007-5598-9484","first_name":"Olga","full_name":"Friesen, Olga","id":"44026"},{"id":"11829","last_name":"Claes","orcid":"0000-0002-4393-268X","first_name":"Leander","full_name":"Claes, Leander"},{"id":"73952","full_name":"Hölscher, Jonas","last_name":"Hölscher","first_name":"Jonas"},{"full_name":"Henning, Bernd","first_name":"Bernd","last_name":"Henning","id":"213"},{"id":"38259","last_name":"Scheidemann","first_name":"Claus","full_name":"Scheidemann, Claus"},{"full_name":"Hemsel, Tobias","first_name":"Tobias","last_name":"Hemsel","id":"210"},{"full_name":"Kuess, Raphael","last_name":"Kuess","first_name":"Raphael"},{"last_name":"Walther","first_name":"Andrea","full_name":"Walther, Andrea"},{"last_name":"Spieker","first_name":"Carsten","full_name":"Spieker, Carsten","id":"67587"},{"full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862","last_name":"Förstner","first_name":"Jens","id":"158"}],"doi":"10.1515/teme-2026-0042","main_file_link":[{"open_access":"1"}],"language":[{"iso":"eng"}],"abstract":[{"text":"Simulation-based design of high-power ultrasonic systems depends on the accurate modelling of the electromechanical behaviour of piezoceramic materials. In practical transducer applications, the relevant operating points are influenced by mechanical preload and heating, both of which give rise to changes in the elastic, dielectric, and piezoelectric material properties. Material parameters identified under idealised, unloaded conditions are therefore insufficient to represent piezoceramic material behaviour under realistic operating conditions. To overcome this limitation, experimental setups are developed that enable the measurement of electrical impedance spectra under controlled thermal and mechanical conditions. The acquired impedance data are used in an inverse identification procedure, in which the behaviour of a finite element forward model is iteratively fitted to the measurements using a block coordinate descent optimisation strategy guided by a sensitivity analysis. This yields effective linear material parameters as a function of temperature and mechanical stress at varying operating points. The identified temperature-dependent parameters, for instance, can be employed in a coupled thermo-electromechanical simulation framework to predict the temperature-dependent material behaviour during operation. The linear identification based on varying operation points provides an initial approximation of the nonlinear material response, establishing a basis for the development of corresponding nonlinear material models.","lang":"eng"}],"publication":"tm - Technisches Messen","type":"journal_article","keyword":["tet_topic_piezo"],"department":[{"_id":"49"}],"date_created":"2026-06-08T05:44:09Z","status":"public","user_id":"158","_id":"65785","publisher":"Walter de Gruyter GmbH","project":[{"_id":"245","name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)"}],"citation":{"apa":"Friesen, O., Claes, L., Hölscher, J., Henning, B., Scheidemann, C., Hemsel, T., Kuess, R., Walther, A., Spieker, C., &#38; Förstner, J. (2026). Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications. <i>Tm - Technisches Messen</i>. <a href=\"https://doi.org/10.1515/teme-2026-0042\">https://doi.org/10.1515/teme-2026-0042</a>","ieee":"O. Friesen <i>et al.</i>, “Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications,” <i>tm - Technisches Messen</i>, 2026, doi: <a href=\"https://doi.org/10.1515/teme-2026-0042\">10.1515/teme-2026-0042</a>.","chicago":"Friesen, Olga, Leander Claes, Jonas Hölscher, Bernd Henning, Claus Scheidemann, Tobias Hemsel, Raphael Kuess, Andrea Walther, Carsten Spieker, and Jens Förstner. “Measurement of Multiphysical Material Parameters of Piezoceramic Components for High-Power Ultrasonic Applications.” <i>Tm - Technisches Messen</i>, 2026. <a href=\"https://doi.org/10.1515/teme-2026-0042\">https://doi.org/10.1515/teme-2026-0042</a>.","short":"O. Friesen, L. Claes, J. Hölscher, B. Henning, C. Scheidemann, T. Hemsel, R. Kuess, A. Walther, C. Spieker, J. Förstner, Tm - Technisches Messen (2026).","mla":"Friesen, Olga, et al. “Measurement of Multiphysical Material Parameters of Piezoceramic Components for High-Power Ultrasonic Applications.” <i>Tm - Technisches Messen</i>, Walter de Gruyter GmbH, 2026, doi:<a href=\"https://doi.org/10.1515/teme-2026-0042\">10.1515/teme-2026-0042</a>.","ama":"Friesen O, Claes L, Hölscher J, et al. Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications. <i>tm - Technisches Messen</i>. Published online 2026. doi:<a href=\"https://doi.org/10.1515/teme-2026-0042\">10.1515/teme-2026-0042</a>","bibtex":"@article{Friesen_Claes_Hölscher_Henning_Scheidemann_Hemsel_Kuess_Walther_Spieker_Förstner_2026, title={Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications}, DOI={<a href=\"https://doi.org/10.1515/teme-2026-0042\">10.1515/teme-2026-0042</a>}, journal={tm - Technisches Messen}, publisher={Walter de Gruyter GmbH}, author={Friesen, Olga and Claes, Leander and Hölscher, Jonas and Henning, Bernd and Scheidemann, Claus and Hemsel, Tobias and Kuess, Raphael and Walther, Andrea and Spieker, Carsten and Förstner, Jens}, year={2026} }"},"oa":"1"},{"citation":{"apa":"Claes, L., &#38; Winkler, M. (2026). Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid. <i>Nonlinear Differential Equations and Applications NoDEA</i>, <i>33</i>(4). <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">https://doi.org/10.1007/s00030-026-01239-7</a>","ieee":"L. Claes and M. Winkler, “Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid,” <i>Nonlinear Differential Equations and Applications NoDEA</i>, vol. 33, no. 4, 2026, doi: <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>.","short":"L. Claes, M. Winkler, Nonlinear Differential Equations and Applications NoDEA 33 (2026).","chicago":"Claes, Leander, and Michael Winkler. “Local Strong Solutions in a Quasilinear Moore-Gibson-Thompson Type Model for Thermoviscoelastic Evolution in a Standard Linear Solid.” <i>Nonlinear Differential Equations and Applications NoDEA</i> 33, no. 4 (2026). <a href=\"https://doi.org/10.1007/s00030-026-01239-7\">https://doi.org/10.1007/s00030-026-01239-7</a>.","mla":"Claes, Leander, and Michael Winkler. “Local Strong Solutions in a Quasilinear Moore-Gibson-Thompson Type Model for Thermoviscoelastic Evolution in a Standard Linear Solid.” <i>Nonlinear Differential Equations and Applications NoDEA</i>, vol. 33, no. 4, Springer Science and Business Media LLC, 2026, doi:<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>.","ama":"Claes L, Winkler M. Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid. <i>Nonlinear Differential Equations and Applications NoDEA</i>. 2026;33(4). doi:<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>","bibtex":"@article{Claes_Winkler_2026, title={Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid}, volume={33}, DOI={<a href=\"https://doi.org/10.1007/s00030-026-01239-7\">10.1007/s00030-026-01239-7</a>}, number={4}, journal={Nonlinear Differential Equations and Applications NoDEA}, publisher={Springer Science and Business Media LLC}, author={Claes, Leander and Winkler, Michael}, year={2026} }"},"project":[{"_id":"245","name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)"}],"status":"public","publisher":"Springer Science and Business Media LLC","_id":"66060","user_id":"11829","volume":33,"publication":"Nonlinear Differential Equations and Applications NoDEA","issue":"4","date_created":"2026-06-26T09:21:21Z","type":"journal_article","department":[{"_id":"49"},{"_id":"90"}],"year":"2026","title":"Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid","author":[{"orcid":"0000-0002-4393-268X","last_name":"Claes","first_name":"Leander","full_name":"Claes, Leander","id":"11829"},{"id":"31496","full_name":"Winkler, Michael","last_name":"Winkler","first_name":"Michael"}],"publication_identifier":{"issn":["1420-9004"]},"date_updated":"2026-06-26T09:23:14Z","publication_status":"published","intvolume":"        33","language":[{"iso":"eng"}],"doi":"10.1007/s00030-026-01239-7"},{"department":[{"_id":"49"}],"type":"misc","place":"Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop, Ottrtott, France","date_created":"2026-07-08T12:26:49Z","citation":{"short":"M. Wippermann, M.I. Rickert, F. Gebauer, H. Zeipert, L. Claes, Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves, Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop, Ottrtott, France, 2026.","chicago":"Wippermann, Mareen, Marlene Ingeborg Rickert, Finn Gebauer, Henning Zeipert, and Leander Claes. <i>Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves</i>. Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop. Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop, Ottrtott, France, 2026.","ieee":"M. Wippermann, M. I. Rickert, F. Gebauer, H. Zeipert, and L. Claes, <i>Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves</i>. Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop, Ottrtott, France, 2026.","apa":"Wippermann, M., Rickert, M. I., Gebauer, F., Zeipert, H., &#38; Claes, L. (2026). <i>Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves</i>.","bibtex":"@book{Wippermann_Rickert_Gebauer_Zeipert_Claes_2026, place={Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop, Ottrtott, France}, series={Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop}, title={Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves}, author={Wippermann, Mareen and Rickert, Marlene Ingeborg and Gebauer, Finn and Zeipert, Henning and Claes, Leander}, year={2026}, collection={Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop} }","ama":"Wippermann M, Rickert MI, Gebauer F, Zeipert H, Claes L. <i>Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves</i>.; 2026.","mla":"Wippermann, Mareen, et al. <i>Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves</i>. 2026."},"user_id":"74624","series_title":"Guided Ultrasonic Waves: Emerging Methods (GUWEM) Workshop","_id":"66382","language":[{"iso":"eng"}],"date_updated":"2026-07-08T12:29:17Z","author":[{"id":"74624","first_name":"Mareen","last_name":"Wippermann","full_name":"Wippermann, Mareen"},{"first_name":"Marlene Ingeborg","last_name":"Rickert","full_name":"Rickert, Marlene Ingeborg"},{"full_name":"Gebauer, Finn","first_name":"Finn","last_name":"Gebauer"},{"full_name":"Zeipert, Henning","last_name":"Zeipert","first_name":"Henning","id":"32580"},{"id":"11829","full_name":"Claes, Leander","last_name":"Claes","orcid":"0000-0002-4393-268X","first_name":"Leander"}],"status":"public","year":"2026","title":"Characterisation of Internal Periodic Structures in Additively Manufactured Components Using Guided Acoustic Waves"},{"main_file_link":[{"open_access":"1"}],"_id":"59683","language":[{"iso":"eng"}],"doi":"10.71568/DASDAGA2025.116","user_id":"11829","status":"public","title":"Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves","year":"2025","conference":{"end_date":"2025-03-20","location":"Copenhagen","name":"DAS | DAGA 2025 - 51st Annual Meeting on Acoustics","start_date":"2025-03-17"},"author":[{"id":"74624","first_name":"Mareen","last_name":"Wippermann","full_name":"Wippermann, Mareen"},{"last_name":"Claes","first_name":"Leander","orcid":"0000-0002-4393-268X","full_name":"Claes, Leander","id":"11829"},{"id":"70091","full_name":"Brandes, Philipp","first_name":"Philipp","last_name":"Brandes"},{"last_name":"Moritzer","first_name":"Elmar","full_name":"Moritzer, Elmar","id":"20531"},{"id":"213","first_name":"Bernd","last_name":"Henning","full_name":"Henning, Bernd"}],"date_updated":"2025-04-25T08:58:02Z","date_created":"2025-04-25T06:46:31Z","type":"conference","oa":"1","department":[{"_id":"49"},{"_id":"147"}],"citation":{"ama":"Wippermann M, Claes L, Brandes P, Moritzer E, Henning B. Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves. In: ; 2025. doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>","bibtex":"@inproceedings{Wippermann_Claes_Brandes_Moritzer_Henning_2025, title={Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves}, DOI={<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>}, author={Wippermann, Mareen and Claes, Leander and Brandes, Philipp and Moritzer, Elmar and Henning, Bernd}, year={2025} }","mla":"Wippermann, Mareen, et al. <i>Determination of the Unit Cell Geometry in Fibre-Reinforced Polymer Sheets Using Guided Acoustic Waves</i>. 2025, doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>.","short":"M. Wippermann, L. Claes, P. Brandes, E. Moritzer, B. Henning, in: 2025.","chicago":"Wippermann, Mareen, Leander Claes, Philipp Brandes, Elmar Moritzer, and Bernd Henning. “Determination of the Unit Cell Geometry in Fibre-Reinforced Polymer Sheets Using Guided Acoustic Waves,” 2025. <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">https://doi.org/10.71568/DASDAGA2025.116</a>.","apa":"Wippermann, M., Claes, L., Brandes, P., Moritzer, E., &#38; Henning, B. (2025). <i>Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves</i>. DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen. <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">https://doi.org/10.71568/DASDAGA2025.116</a>","ieee":"M. Wippermann, L. Claes, P. Brandes, E. Moritzer, and B. Henning, “Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves,” presented at the DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen, 2025, doi: <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>."},"abstract":[{"lang":"eng","text":"Woven fibre-reinforced polymers are used in a variety of application, especially where a low mass to stiffness ratio is required. Of paramount importance for the tailored mechanical properties these composite materials exhibit is the type and geometry of the fibre weave. Especially continuous fibre-reinforced thermoplastic composites are fabricated as laminates and subsequently exposed to forming processes which alter the geometry of the fibres unit cell and thus the local mechanical properties of the material. An approach utilising broadband ultrasonic waves is proposed to non-destructively determine the geometry of the unit cell of the weave.\r\n\r\nThe dispersive behaviour of woven fibre-reinforced sheets is described in accordance with the Flouquet-Bloch theorem as a phononic crystal. In order to develop a model for a description of these periodically structured waveguides, the smallest repeating unit of the wave is modelled with periodic boundary conditions. The resulting dispersion diagram exhibits similarities to that of a homogeneous plate, but additionally displays a periodicity in the wavenumber regime, which correspond with the size of the unit cell. Experimental studies of the dispersive behaviour of acoustic waves in woven fibre-reinforced samples also show a periodicity in the wavenumber regime, enabling a measurement procedure of the unit cell geometry."}],"project":[{"grant_number":"495847374","_id":"157","name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung"}]},{"_id":"59688","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1"}],"doi":"10.71568/DASDAGA2025.052","user_id":"11829","conference":{"end_date":"2025-03-20","location":"Copenhagen","name":"DAS | DAGA 2025 - 51st Annual Meeting on Acoustics","start_date":"2025-03-17"},"author":[{"full_name":"Claes, Leander","last_name":"Claes","orcid":"0000-0002-4393-268X","first_name":"Leander","id":"11829"},{"full_name":"Zeipert, Henning","last_name":"Zeipert","first_name":"Henning","id":"32580"},{"last_name":"Brandes","first_name":"Philipp","full_name":"Brandes, Philipp","id":"70091"},{"full_name":"Moritzer, Elmar","last_name":"Moritzer","first_name":"Elmar","id":"20531"},{"last_name":"Henning","first_name":"Bernd","full_name":"Henning, Bernd","id":"213"}],"status":"public","year":"2025","title":"Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves","date_updated":"2025-04-25T08:50:11Z","date_created":"2025-04-25T08:48:10Z","oa":"1","department":[{"_id":"49"},{"_id":"147"}],"type":"conference","citation":{"mla":"Claes, Leander, et al. <i>Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves</i>. 2025, doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>.","bibtex":"@inproceedings{Claes_Zeipert_Brandes_Moritzer_Henning_2025, title={Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves}, DOI={<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>}, author={Claes, Leander and Zeipert, Henning and Brandes, Philipp and Moritzer, Elmar and Henning, Bernd}, year={2025} }","ama":"Claes L, Zeipert H, Brandes P, Moritzer E, Henning B. Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves. In: ; 2025. doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>","ieee":"L. Claes, H. Zeipert, P. Brandes, E. Moritzer, and B. Henning, “Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves,” presented at the DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen, 2025, doi: <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>.","apa":"Claes, L., Zeipert, H., Brandes, P., Moritzer, E., &#38; Henning, B. (2025). <i>Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves</i>. DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen. <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">https://doi.org/10.71568/DASDAGA2025.052</a>","chicago":"Claes, Leander, Henning Zeipert, Philipp Brandes, Elmar Moritzer, and Bernd Henning. “Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves,” 2025. <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">https://doi.org/10.71568/DASDAGA2025.052</a>.","short":"L. Claes, H. Zeipert, P. Brandes, E. Moritzer, B. Henning, in: 2025."},"project":[{"name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung","grant_number":"495847374","_id":"157"}]},{"status":"public","_id":"59995","funded_apc":"1","publisher":"IOP Publishing","user_id":"32616","volume":36,"citation":{"chicago":"Dreiling, Dmitrij, Dominik Itner, Hauke Gravenkamp, Leander Claes, Carolin Birk, and Bernd Henning. “Increasing the Sensitivity of Ultrasonic Transmission Measurements for Elastic Material Parameter Estimation.” <i>Measurement Science and Technology</i> 36 (2025). <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">https://doi.org/10.1088/1361-6501/add9b6</a>.","short":"D. Dreiling, D. Itner, H. Gravenkamp, L. Claes, C. Birk, B. Henning, Measurement Science and Technology 36 (2025).","ieee":"D. Dreiling, D. Itner, H. Gravenkamp, L. Claes, C. Birk, and B. Henning, “Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation,” <i>Measurement Science and Technology</i>, vol. 36, Art. no. 6, 2025, doi: <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>.","apa":"Dreiling, D., Itner, D., Gravenkamp, H., Claes, L., Birk, C., &#38; Henning, B. (2025). Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation. <i>Measurement Science and Technology</i>, <i>36</i>, Article 6. <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">https://doi.org/10.1088/1361-6501/add9b6</a>","bibtex":"@article{Dreiling_Itner_Gravenkamp_Claes_Birk_Henning_2025, title={Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation}, volume={36}, DOI={<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>}, number={6}, journal={Measurement Science and Technology}, publisher={IOP Publishing}, author={Dreiling, Dmitrij and Itner, Dominik and Gravenkamp, Hauke and Claes, Leander and Birk, Carolin and Henning, Bernd}, year={2025} }","ama":"Dreiling D, Itner D, Gravenkamp H, Claes L, Birk C, Henning B. Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation. <i>Measurement Science and Technology</i>. 2025;36. doi:<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>","mla":"Dreiling, Dmitrij, et al. “Increasing the Sensitivity of Ultrasonic Transmission Measurements for Elastic Material Parameter Estimation.” <i>Measurement Science and Technology</i>, vol. 36, 6, IOP Publishing, 2025, doi:<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>."},"quality_controlled":"1","project":[{"name":"VaMP: Vollständige Bestimmung der akustischen Materialparameter von Polymeren","grant_number":"409779252","_id":"89"}],"oa":"1","title":"Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation","year":"2025","author":[{"id":"32616","last_name":"Dreiling","first_name":"Dmitrij","full_name":"Dreiling, Dmitrij"},{"full_name":"Itner, Dominik","last_name":"Itner","first_name":"Dominik"},{"last_name":"Gravenkamp","first_name":"Hauke","full_name":"Gravenkamp, Hauke"},{"full_name":"Claes, Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","first_name":"Leander","id":"11829"},{"full_name":"Birk, Carolin","first_name":"Carolin","last_name":"Birk"},{"full_name":"Henning, Bernd","first_name":"Bernd","last_name":"Henning","id":"213"}],"publication_identifier":{"issn":["0957-0233","1361-6501"]},"publication_status":"published","date_updated":"2025-05-27T15:03:38Z","article_type":"original","intvolume":"        36","article_number":"6","main_file_link":[{"url":"https://iopscience.iop.org/article/10.1088/1361-6501/add9b6","open_access":"1"}],"language":[{"iso":"eng"}],"doi":"10.1088/1361-6501/add9b6","publication":"Measurement Science and Technology","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title>\r\n               <jats:p>Ultrasonic transmission measurements can be used for material characterization, as the propagation time of sound waves and thus their velocity depends on the elastic material parameters. Measurement results for the elastic material parameters are acquired non-destructively using ultrasonic transmission measurements of hollow cylindrical polymer specimens. To determine the material parameters, an inverse approach is used comparing measurements with simulated data. Previous studies show that the procedure exhibits low sensitivity with respect to the shear parameters of the material. In order to increase the sensitivity, we propose to apply a spatially annular excitation on the base of the specimen. As a measure to analyse the sensitivities with respect to all parameters and their linear independence, we observe the volume of the parallelotope of the sensitivity vectors. Here, a scaled boundary finite element formulation of wave propagation in the specimen is expanded to yield derivative information directly, and a sensitivity analysis can be carried out efficiently. Finally, the results of this sensitivity analysis with regard to the annular excitation are also applied to the measurement setup.</jats:p>"}],"date_created":"2025-05-19T13:30:39Z","keyword":["Sensitivity analysis","Ultrasonic transducer","Guided waves","Polymers","Gram determinant"],"type":"journal_article","department":[{"_id":"49"}]},{"author":[{"id":"11829","full_name":"Claes, Leander","last_name":"Claes","first_name":"Leander","orcid":"0000-0002-4393-268X"},{"full_name":"Hölscher, Jonas","first_name":"Jonas","last_name":"Hölscher","id":"73952"},{"id":"44026","full_name":"Friesen, Olga","last_name":"Friesen","first_name":"Olga"},{"full_name":"Scheidemann, Claus","first_name":"Claus","last_name":"Scheidemann","id":"38259"},{"id":"210","full_name":"Hemsel, Tobias","first_name":"Tobias","last_name":"Hemsel"},{"id":"213","last_name":"Henning","first_name":"Bernd","full_name":"Henning, Bernd"}],"status":"public","title":"Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements","year":"2025","date_updated":"2026-01-13T13:00:31Z","_id":"62300","publisher":"AMA Service GmbH","language":[{"iso":"eng"}],"page":"142–145","doi":"10.5162/ultrasonic2025/a18-a6","user_id":"11829","citation":{"chicago":"Claes, Leander, Jonas Hölscher, Olga Friesen, Claus Scheidemann, Tobias Hemsel, and Bernd Henning. “Estimation of Third Order Elastic Constants of Piezoceramics Using DC Biased Impedance Measurements.” In <i>2025 International Congress on Ultrasonics</i>, 142–145. Paderborn: AMA Service GmbH, 2025. <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">https://doi.org/10.5162/ultrasonic2025/a18-a6</a>.","short":"L. Claes, J. Hölscher, O. Friesen, C. Scheidemann, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 142–145.","ieee":"L. Claes, J. Hölscher, O. Friesen, C. Scheidemann, T. Hemsel, and B. Henning, “Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements,” in <i>2025 International Congress on Ultrasonics</i>, 2025, pp. 142–145, doi: <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>.","apa":"Claes, L., Hölscher, J., Friesen, O., Scheidemann, C., Hemsel, T., &#38; Henning, B. (2025). Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. <i>2025 International Congress on Ultrasonics</i>, 142–145. <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">https://doi.org/10.5162/ultrasonic2025/a18-a6</a>","bibtex":"@inproceedings{Claes_Hölscher_Friesen_Scheidemann_Hemsel_Henning_2025, place={Paderborn}, title={Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements}, DOI={<a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>}, booktitle={2025 International Congress on Ultrasonics}, publisher={AMA Service GmbH}, author={Claes, Leander and Hölscher, Jonas and Friesen, Olga and Scheidemann, Claus and Hemsel, Tobias and Henning, Bernd}, year={2025}, pages={142–145} }","ama":"Claes L, Hölscher J, Friesen O, Scheidemann C, Hemsel T, Henning B. Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. In: <i>2025 International Congress on Ultrasonics</i>. 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Koch, L. Claes, B. Henning, in: 2025.","apa":"Friesen, O., Meihost, L., Koch, K., Claes, L., &#38; Henning, B. (2025). <i>Estimation of piezoelectric material parameters under varying electric field conditions</i>. DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen. <a href=\"https://doi.org/10.71568/DASDAGA2025.078\">https://doi.org/10.71568/DASDAGA2025.078</a>","ieee":"O. Friesen, L. Meihost, K. Koch, L. Claes, and B. Henning, “Estimation of piezoelectric material parameters under varying electric field conditions,” presented at the DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen, 2025, doi: <a href=\"https://doi.org/10.71568/DASDAGA2025.078\">10.71568/DASDAGA2025.078</a>."},"doi":"10.71568/DASDAGA2025.078","user_id":"11829","language":[{"iso":"eng"}],"_id":"59689","main_file_link":[{"open_access":"1"}],"date_updated":"2026-01-05T08:02:20Z","conference":{"location":"Copenhagen","start_date":"2025-03-17","name":"DAS | DAGA 2025 - 51st Annual Meeting on Acoustics","end_date":"2025-03-20"},"author":[{"last_name":"Friesen","first_name":"Olga","full_name":"Friesen, Olga","id":"44026"},{"full_name":"Meihost, Lars","first_name":"Lars","last_name":"Meihost","id":"24769"},{"full_name":"Koch, Kevin","last_name":"Koch","first_name":"Kevin"},{"id":"11829","orcid":"0000-0002-4393-268X","last_name":"Claes","first_name":"Leander","full_name":"Claes, Leander"},{"id":"213","full_name":"Henning, Bernd","first_name":"Bernd","last_name":"Henning"}],"status":"public","year":"2025","title":"Estimation of piezoelectric material parameters under varying electric field conditions"},{"_id":"60502","language":[{"iso":"eng"}],"doi":"10.5162/SMSI2025/D5.2","user_id":"32580","conference":{"end_date":"2025-05-08","location":"Nürnberg","start_date":"2025-05-06","name":"SMSI 2025"},"author":[{"id":"32580","full_name":"Zeipert, Henning","first_name":"Henning","last_name":"Zeipert"},{"last_name":"Claes","first_name":"Leander","orcid":"0000-0002-4393-268X","full_name":"Claes, Leander","id":"11829"},{"first_name":"Chris","last_name":"Stoeckel","full_name":"Stoeckel, Chris"},{"first_name":"Shubham","last_name":"Mulay","full_name":"Mulay, Shubham"},{"id":"213","last_name":"Henning","first_name":"Bernd","full_name":"Henning, Bernd"}],"year":"2025","status":"public","title":"Evaluation of piezoelectric micromachined ultrasonic transducers (PMUT) for the broadband detection of ultrasonic elastic waves","date_updated":"2025-07-03T07:09:09Z","date_created":"2025-07-03T07:08:58Z","department":[{"_id":"49"}],"type":"conference","citation":{"bibtex":"@inproceedings{Zeipert_Claes_Stoeckel_Mulay_Henning_2025, title={Evaluation of piezoelectric micromachined ultrasonic transducers (PMUT) for the broadband detection of ultrasonic elastic waves}, DOI={<a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">10.5162/SMSI2025/D5.2</a>}, author={Zeipert, Henning and Claes, Leander and Stoeckel, Chris and Mulay, Shubham and Henning, Bernd}, year={2025} }","ama":"Zeipert H, Claes L, Stoeckel C, Mulay S, Henning B. Evaluation of piezoelectric micromachined ultrasonic transducers (PMUT) for the broadband detection of ultrasonic elastic waves. In: ; 2025. doi:<a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">10.5162/SMSI2025/D5.2</a>","mla":"Zeipert, Henning, et al. <i>Evaluation of Piezoelectric Micromachined Ultrasonic Transducers (PMUT) for the Broadband Detection of Ultrasonic Elastic Waves</i>. 2025, doi:<a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">10.5162/SMSI2025/D5.2</a>.","short":"H. Zeipert, L. Claes, C. Stoeckel, S. Mulay, B. Henning, in: 2025.","chicago":"Zeipert, Henning, Leander Claes, Chris Stoeckel, Shubham Mulay, and Bernd Henning. “Evaluation of Piezoelectric Micromachined Ultrasonic Transducers (PMUT) for the Broadband Detection of Ultrasonic Elastic Waves,” 2025. <a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">https://doi.org/10.5162/SMSI2025/D5.2</a>.","ieee":"H. Zeipert, L. Claes, C. Stoeckel, S. Mulay, and B. Henning, “Evaluation of piezoelectric micromachined ultrasonic transducers (PMUT) for the broadband detection of ultrasonic elastic waves,” presented at the SMSI 2025, Nürnberg, 2025, doi: <a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">10.5162/SMSI2025/D5.2</a>.","apa":"Zeipert, H., Claes, L., Stoeckel, C., Mulay, S., &#38; Henning, B. (2025). <i>Evaluation of piezoelectric micromachined ultrasonic transducers (PMUT) for the broadband detection of ultrasonic elastic waves</i>. SMSI 2025, Nürnberg. <a href=\"https://doi.org/10.5162/SMSI2025/D5.2\">https://doi.org/10.5162/SMSI2025/D5.2</a>"}},{"keyword":["fibre-reinforced polymers","differential scanning calorimetry","degree of crosslinking","guided waves","ultrasound"],"type":"conference","department":[{"_id":"49"},{"_id":"149"},{"_id":"321"}],"date_created":"2025-11-25T12:23:07Z","abstract":[{"lang":"eng","text":"The degree of crosslinking in unidirectional prepreg materials was investigated using differential scanning calorimetry to assess their curing behavior and thermal characteristics. To complement these measurements with a non-destructive, in-situ method, the propagation properties of guided acoustic waves in cured carbon fibre-reinforced epoxy plates were analysed. Correlations between the degree of crosslinking and acoustically determined mechanical properties were drawn to enable a future non-destructive evaluation approach."}],"publication":"2025 International Congress on Ultrasonics","doi":"10.5162/ultrasonic2025/c13-b3","language":[{"iso":"eng"}],"date_updated":"2026-03-23T10:31:53Z","publication_status":"published","year":"2025","title":"Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves","author":[{"last_name":"Irmak","orcid":"https://orcid.org/0009-0009-6267-2957","first_name":"Hayrettin","full_name":"Irmak, Hayrettin","id":"75657"},{"first_name":"Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","full_name":"Claes, Leander","id":"11829"},{"full_name":"Wu, Shuang","last_name":"Wu","first_name":"Shuang","orcid":"0000-0001-8645-9952","id":"48039"},{"id":"338","full_name":"Marten, Thorsten","last_name":"Marten","orcid":"0009-0001-6433-7839","first_name":"Thorsten"},{"id":"553","first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas"}],"publication_identifier":{"isbn":["978-3-910600-08-9"]},"place":"Paderborn","quality_controlled":"1","citation":{"mla":"Irmak, Hayrettin, et al. “Assessment of the Influence of Curing Parameters on Fibre Reinforced Epoxy Composite Properties Using Guided Ultrasonic Waves.” <i>2025 International Congress on Ultrasonics</i>, AMA Service GmbH, 2025, pp. 235–238, doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>.","bibtex":"@inproceedings{Irmak_Claes_Wu_Marten_Tröster_2025, place={Paderborn}, title={Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves}, DOI={<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>}, booktitle={2025 International Congress on Ultrasonics}, publisher={AMA Service GmbH}, author={Irmak, Hayrettin and Claes, Leander and Wu, Shuang and Marten, Thorsten and Tröster, Thomas}, year={2025}, pages={235–238} }","ama":"Irmak H, Claes L, Wu S, Marten T, Tröster T. Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves. In: <i>2025 International Congress on Ultrasonics</i>. AMA Service GmbH; 2025:235–238. doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>","ieee":"H. Irmak, L. Claes, S. Wu, T. Marten, and T. Tröster, “Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves,” in <i>2025 International Congress on Ultrasonics</i>, Paderborn, Germany, 2025, pp. 235–238, doi: <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>.","apa":"Irmak, H., Claes, L., Wu, S., Marten, T., &#38; Tröster, T. (2025). Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves. <i>2025 International Congress on Ultrasonics</i>, 235–238. <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">https://doi.org/10.5162/ultrasonic2025/c13-b3</a>","short":"H. Irmak, L. Claes, S. Wu, T. Marten, T. Tröster, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 235–238.","chicago":"Irmak, Hayrettin, Leander Claes, Shuang Wu, Thorsten Marten, and Thomas Tröster. “Assessment of the Influence of Curing Parameters on Fibre Reinforced Epoxy Composite Properties Using Guided Ultrasonic Waves.” In <i>2025 International Congress on Ultrasonics</i>, 235–238. Paderborn: AMA Service GmbH, 2025. <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">https://doi.org/10.5162/ultrasonic2025/c13-b3</a>."},"user_id":"338","page":"235–238","publisher":"AMA Service GmbH","_id":"62302","status":"public","conference":{"name":"2025 ICU PADERBORN - 9th International Congress on Ultrasonics","start_date":"2025-09-21","location":"Paderborn, Germany","end_date":"2025-09-25"}}]