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44 Publications
2026 | Journal Article | LibreCat-ID: 63435
L. Claes and M. Winkler, “Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis,” Nonlinear Analysis: Real World Applications, vol. 91, p. 104580, 2026, doi: 10.1016/j.nonrwa.2025.104580.
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2026 | Conference Abstract | LibreCat-ID: 65625
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.
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2026 | Journal Article | LibreCat-ID: 65785 | 
O. Friesen et al., “Measurement of multiphysical material parameters of piezoceramic components for high-power ultrasonic applications,” tm - Technisches Messen, 2026, doi: 10.1515/teme-2026-0042.
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2026 | Conference Paper | LibreCat-ID: 65588
C. Spieker, R. Kuess, A. Walther, and J. Förstner, “Modellierung und Simulation des temperaturabhängigen Materialverhaltens von Piezokeramiken mit FEniCS,” in Fortschritte der Akustik - DAGA 2026, 2026, pp. 1066–1069, doi: 10.71568/DAGA2026.549.
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2026 | Journal Article | LibreCat-ID: 66060
L. Claes and M. Winkler, “Local strong solutions in a quasilinear Moore-Gibson-Thompson type model for thermoviscoelastic evolution in a standard linear solid,” Nonlinear Differential Equations and Applications NoDEA, vol. 33, no. 4, 2026, doi: 10.1007/s00030-026-01239-7.
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2025 | Conference Paper | LibreCat-ID: 62300
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 2025 International Congress on Ultrasonics, 2025, pp. 142–145, doi: 10.5162/ultrasonic2025/a18-a6.
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2025 | Journal Article | LibreCat-ID: 59258
M. Winkler, “Rough Data in an Evolution System Generalizing 1D Thermoviscoelasticity with Temperature-Dependent Parameters,” Applied Mathematics & Optimization, vol. 91, no. 2, Art. no. 44, 2025, doi: 10.1007/s00245-025-10243-9.
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2025 | Conference Paper | LibreCat-ID: 61755 |
C. Scheidemann, T. Hemsel, and W. Sextro, “Time dependent material characteristics of prestressed piezoelectric ceramics in langevin transducers,” presented at the 22nd International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), Vilnius, Lithuania, 2025.
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2025 | Conference Paper | LibreCat-ID: 61757 |
C. Scheidemann, J. Porzenheim, T. Hemsel, and W. Sextro, “Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers,” presented at the 2025 International Congress on Ultrasonics (ICU), Paderborn, Germany, 2025.
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2025 | Journal Article | LibreCat-ID: 62000 |
L. Claes, K. Koch, O. Friesen, and L. Meihost, “Machine Learning-Supported Inverse Measurement Procedure for Broadband, Temperature Dependent Piezoelectric Material Parameters,” Acta Acustica, vol. 9, no. 65, 2025, doi: 10.1051/aacus/2025044.
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2025 | Journal Article | LibreCat-ID: 54837 |
L. Claes, J. Lankeit, and M. Winkler, “A model for heat generation by acoustic waves in piezoelectric materials: Global large-data solutions,” Mathematical Models and Methods in Applied Sciences, vol. 35, no. 11, pp. 2465–2512, 2025, doi: 10.1142/s0218202525500447.
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2025 | Conference Paper | LibreCat-ID: 62299
O. Friesen, C. Scheidemann, L. Claes, T. Hemsel, and B. Henning, “Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer,” in 2025 International Congress on Ultrasonics, 2025, pp. 138–141, doi: 10.5162/ultrasonic2025/a18-a4.
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2025 | Conference Paper | LibreCat-ID: 62298
R. Kuess, O. Friesen, B. Henning, and A. Walther, “Identification of temperature-dependent material parameter functions in piezoelectricity,” in 2025 International Congress on Ultrasonics, 2025, pp. 134–137, doi: 10.5162/ultrasonic2025/a18-a3.
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2025 | Conference Paper | LibreCat-ID: 59689 |
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: 10.71568/DASDAGA2025.078.
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2025 | Journal Article | LibreCat-ID: 63250
M. Winkler, “Large-data solutions in one-dimensional thermoviscoelasticity involving temperature-dependent viscosities,” Zeitschrift für angewandte Mathematik und Physik, vol. 76, no. 5, Art. no. 192, 2025, doi: 10.1007/s00033-025-02582-y.
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2025 | Journal Article | LibreCat-ID: 63249
M. Winkler, “Large-data regular solutions in a one-dimensional thermoviscoelastic evolution problem involving temperature-dependent viscosities,” Journal of Evolution Equations, vol. 25, no. 4, Art. no. 108, 2025, doi: 10.1007/s00028-025-01144-z.
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2025 | Journal Article | LibreCat-ID: 63246
M. Winkler, “Rough solutions in one-dimensional nonlinear thermoelasticity,” Calculus of Variations and Partial Differential Equations, vol. 65, no. 1, Art. no. 1, 2025, doi: 10.1007/s00526-025-03170-8.
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2025 | Conference Paper | LibreCat-ID: 62297
J. Hölscher, O. Friesen, L. Claes, C. Spieker, J. Förstner, and B. Henning, “Multiscale thermo-piezoelectric simulations using the finite element method,” in 2025 International Congress on Ultrasonics, 2025, pp. 130–133, doi: 10.5162/ultrasonic2025/a18-a2.
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2025 | Conference Paper | LibreCat-ID: 62296
C. Spieker, J. Förstner, J. Hölscher, L. Claes, and B. Henning, “Modeling and simulation of the behavior of piezoceramics with the discontinuous Galerkin method,” in 2025 International Congress on Ultrasonics, 2025, pp. 126–129, doi: 10.5162/ultrasonic2025/a18-a1.
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2024 | Conference Paper | LibreCat-ID: 53824 |
K. Koch, L. Claes, B. Jurgelucks, L. Meihost, and B. Henning, “Inverses Verfahren zur Identifikation piezoelektrischer Materialparameter unterstützt durch neuronale Netze,” in Fortschritte der Akustik - DAGA 2024, 2024, pp. 1113–1116.
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