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37 Publications
2026 | Journal Article | LibreCat-ID: 63435
Claes, Leander, and Michael Winkler. “Describing Smooth Small-Data Solutions to a Quasilinear Hyperbolic-Parabolic System by W 1,P Energy Analysis.” Nonlinear Analysis: Real World Applications 91 (2026): 104580. https://doi.org/10.1016/j.nonrwa.2025.104580.
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2025 | Conference Abstract | LibreCat-ID: 61755
Scheidemann, Claus, Tobias Hemsel, and Walter Sextro. “Time Dependent Material Characteristics of Prestressed Piezoelectric Ceramics in Langevin Transducers,” 2025.
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2025 | Conference Abstract | LibreCat-ID: 61757
Scheidemann, Claus, Julius Porzenheim, Tobias Hemsel, and Walter Sextro. “Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers,” 2025.
LibreCat
2025 | Journal Article | LibreCat-ID: 62000 | 
Claes, Leander, Kevin Koch, Olga Friesen, and Lars Meihost. “Machine Learning-Supported Inverse Measurement Procedure for Broadband, Temperature Dependent Piezoelectric Material Parameters.” Acta Acustica 9, no. 65 (2025). https://doi.org/10.1051/aacus/2025044.
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2025 | Journal Article | LibreCat-ID: 54837 |
Claes, Leander, Johannes Lankeit, and Michael Winkler. “A Model for Heat Generation by Acoustic Waves in Piezoelectric Materials: Global Large-Data Solutions.” Mathematical Models and Methods in Applied Sciences 35, no. 11 (2025): 2465–2512. https://doi.org/10.1142/s0218202525500447.
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2025 | Conference Paper | LibreCat-ID: 62299
Friesen, Olga, Claus Scheidemann, Leander Claes, Tobias Hemsel, and Bernd Henning. “Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer.” In 2025 International Congress on Ultrasonics, 138–141. Paderborn: AMA Service GmbH, 2025. https://doi.org/10.5162/ultrasonic2025/a18-a4.
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2025 | Conference Paper | LibreCat-ID: 62296
Spieker, Carsten, Jens Förstner, Jonas Hölscher, Leander Claes, and Bernd Henning. “Modeling and Simulation of the Behavior of Piezoceramics with the Discontinuous Galerkin Method.” In 2025 International Congress on Ultrasonics, 126–129. Paderborn: AMA Service GmbH, 2025. https://doi.org/10.5162/ultrasonic2025/a18-a1.
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2025 | Conference Paper | LibreCat-ID: 62297
Hölscher, Jonas, Olga Friesen, Leander Claes, Carsten Spieker, Jens Förstner, and Bernd Henning. “Multiscale Thermo-Piezoelectric Simulations Using the Finite Element Method.” In 2025 International Congress on Ultrasonics, 130–133. Paderborn: AMA Service GmbH, 2025. https://doi.org/10.5162/ultrasonic2025/a18-a2.
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2025 | Conference Paper | LibreCat-ID: 62298
Kuess, Raphael, Olga Friesen, Bernd Henning, and Andrea Walther. “Identification of Temperature-Dependent Material Parameter Functions in Piezoelectricity.” In 2025 International Congress on Ultrasonics, 134–137. Germany: AMA Service GmbH, 2025. https://doi.org/10.5162/ultrasonic2025/a18-a3.
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2025 | Journal Article | LibreCat-ID: 59258
Winkler, Michael. “Rough Data in an Evolution System Generalizing 1D Thermoviscoelasticity with Temperature-Dependent Parameters.” Applied Mathematics & Optimization 91, no. 2 (2025). https://doi.org/10.1007/s00245-025-10243-9.
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2025 | Conference Paper | LibreCat-ID: 59689 |
Friesen, Olga, Lars Meihost, Kevin Koch, Leander Claes, and Bernd Henning. “Estimation of Piezoelectric Material Parameters under Varying Electric Field Conditions,” 2025. https://doi.org/10.71568/DASDAGA2025.078.
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2025 | Conference Paper | LibreCat-ID: 62300
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 2025 International Congress on Ultrasonics, 142–145. Paderborn: AMA Service GmbH, 2025. https://doi.org/10.5162/ultrasonic2025/a18-a6.
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2024 | Conference Paper | LibreCat-ID: 53822 |
Friesen, Olga, Muhammad Ahsan Pasha, Max Schwengelbeck, Leander Claes, Elmar Baumhögger, and Bernd Henning. “Untersuchung piezoelektrischer Materialeigenschaften unter hydrostatischer Last.” In Fortschritte der Akustik - DAGA 2024, 1117–1120, 2024.
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2024 | Conference Paper | LibreCat-ID: 53824 |
Koch, Kevin, Leander Claes, Benjamin Jurgelucks, Lars Meihost, and Bernd Henning. “Inverses Verfahren zur Identifikation piezoelektrischer Materialparameter unterstützt durch neuronale Netze.” In Fortschritte der Akustik - DAGA 2024, edited by Deutsche Gesellschaft für Akustik e.V., 1113–1116, 2024.
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2024 | Conference Paper | LibreCat-ID: 56834 |
Friesen, Olga, Leander Claes, Claus Scheidemann, Nadine Feldmann, Tobias Hemsel, and Bernd Henning. “Estimation of Temperature-Dependent Piezoelectric Material Parameters Using Ring-Shaped Specimens.” In 2023 International Congress on Ultrasonics, Beijing, China, 2822:012125. IOP Publishing, 2024. https://doi.org/10.1088/1742-6596/2822/1/012125.
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2024 | Research Data | LibreCat-ID: 55470
Koch, Kevin, Olga Friesen, and Leander Claes. Randomised Material Parameter Impedance Dataset of Piezoelectric Rings. Zenodo, 2024. https://doi.org/10.5281/zenodo.13143680.
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2024 | Research Data | LibreCat-ID: 53662
Koch, Kevin, and Leander Claes. Randomised Material Parameter Piezoelectric Impedance Dataset with Structured Electrodes. zenodo, 2024. https://doi.org/10.5281/ZENODO.11064206.
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2024 | Misc | LibreCat-ID: 55416
Claes, Leander, Kevin Koch, Olga Friesen, and Lars Meihost. Machine Learning in Inverse Measurement Problems: An Application to Piezoelectric Material Characterisation. International Workshop on Piezoelectric Materials and Applications (IWPMA), 2024.
LibreCat
2024 | Journal Article | LibreCat-ID: 56777
Friesen, Olga, Leander Claes, Nadine Feldmann, and Bernd Henning. “Estimation of Piezoelectric Material Parameters of Ring-Shaped Specimens.” Tm - Technisches Messen, 2024. https://doi.org/10.1515/teme-2024-0107.
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2024 | Journal Article | LibreCat-ID: 54314
Koch, Kevin, Leander Claes, Benjamin Jurgelucks, and Lars Meihost. “Neuronale Netze Zur Startwertschätzung Bei Der Identifikation Piezoelektrischer Materialparameter.” Tm - Technisches Messen, 2024. https://doi.org/10.1515/teme-2024-0099.
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