FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)

Time dependent material characteristics of prestressed piezoelectric ceramics in langevin transducers
C. Scheidemann, T. Hemsel, W. Sextro, in: 2025.

Investigation of the Setting Behaviour of Mechanically Biased Piezoelectric Ultrasonic Transducers
C. Scheidemann, J. Porzenheim, T. Hemsel, W. Sextro, in: 2025.

Identification of piezoelectric material parameters using optimised multi-electrode specimens
L. Claes, N. Feldmann, V. Schulze, B. Jurgelucks, A. Walther, B. Henning, in: Fortschritte Der Akustik - DAGA 2022, 2022, pp. 1326–1329.

Inverse piezoelectric material parameter characterization using a single disc-shaped specimen
N. Feldmann, V. Schulze, L. Claes, B. Jurgelucks, A. Walther, B. Henning, Tm - Technisches Messen (2020) 50–55.

Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis
L. Claes, M. Winkler, Nonlinear Analysis: Real World Applications 91 (2026) 104580.

Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers
N. Feldmann,   Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers, Universität Paderborn, 2021.

Untersuchung piezoelektrischer Materialeigenschaften unter hydrostatischer Last
O. Friesen, M.A. Pasha, M. Schwengelbeck, L. Claes, E. Baumhögger, B. Henning, in: Fortschritte der Akustik - DAGA 2024, 2024, pp. 1117–1120.

Modelling damping in piezoceramics: A comparative study
N. Feldmann, V. Schulze, L. Claes, B. Jurgelucks, L. Meihost, A. Walther, B. Henning, Tm - Technisches Messen 88 (2021) 294–302.

Optimised Multi-Electrode Topology for Piezoelectric Material Characterisation
L. Claes, N. Feldmann, B. Jurgelucks, V. Schulze, S. Schmidt, A. Walther, B. Henning, in: 2021, pp. 237–238.

Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.

Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, W. Sextro, in: 2023.

Optimal experiment design with respect to electrode configurations for a piezoelectric problem
V. Schulze, S. Schmidt, B. Jurgelucks, N. Feldmann, L. Claes, Optimal Experiment Design with Respect to Electrode Configurations for a Piezoelectric Problem, GAMM Annual Meeting, Kassel, 2021.

Arbitrary sensitivity for inverse problems in piezoelectricity
B. Jurgelucks, V. Schulze, N. Feldmann, L. Claes, Arbitrary Sensitivity for Inverse Problems in Piezoelectricity, GAMM Annual Meeting, Wien, 2019.

Piezoelectric BC Modeling for Electrode Shapes with OED
V. Schulze, S. Schmidt, B. Jurgelucks, N. Feldmann, L. Claes, Piezoelectric BC Modeling for Electrode Shapes with OED, GAMM Juniors’ Summer School 2021, Graz, 2021.

Inverses Verfahren zur Identifikation piezoelektrischer Materialparameter unterstützt durch neuronale Netze
K. Koch, L. Claes, B. Jurgelucks, L. Meihost, B. Henning, in: D. Gesellschaft für Akustik e.V. (Ed.), Fortschritte der Akustik - DAGA 2024, 2024, pp. 1113–1116.

Estimation of temperature-dependent piezoelectric material parameters using ring-shaped specimens
O. Friesen, L. Claes, C. Scheidemann, N. Feldmann, T. Hemsel, B. Henning, in: 2023 International Congress on Ultrasonics, Beijing, China, IOP Publishing, 2024, p. 012125.

Inverse procedure for measuring piezoelectric material parameters using a single multi-electrode sample
L. Claes, N. Feldmann, V. Schulze, L. Meihost, H. Kuhlmann, B. Jurgelucks, A. Walther, B. Henning, Journal of Sensors and Sensor Systems 12 (2023) 163–173.

Randomised material parameter impedance dataset of piezoelectric rings
K. Koch, O. Friesen, L. Claes, Randomised Material Parameter Impedance Dataset of Piezoelectric Rings, Zenodo, 2024.

Randomised material parameter piezoelectric impedance dataset with structured electrodes
K. Koch, L. Claes, Randomised Material Parameter Piezoelectric Impedance Dataset with Structured Electrodes, zenodo, 2024.

Inverse procedure for the identification of piezoelectric material parameters supported by dense neural networks
L. Claes, L. Meihost, B. Jurgelucks, Inverse Procedure for the Identification of Piezoelectric Material Parameters Supported by Dense Neural Networks, GAMM Annual Meeting, Dresden, 2023.

Machine learning in inverse measurement problems: An application to piezoelectric material characterisation
L. Claes, K. Koch, O. Friesen, L. Meihost, Machine Learning in Inverse Measurement Problems: An Application to Piezoelectric Material Characterisation, International Workshop on Piezoelectric Materials and Applications (IWPMA), 2024.

Parameter Identification of Piezoelectrics improved by Neural Networks
B. Jurgelucks, Parameter Identification of Piezoelectrics Improved by Neural Networks, GAMM Annual Meeting, Dresden, 2023.

Parameter identification in piezoelectricity based on all-at-once and reduced regularization
R. Kuess, Parameter Identification in Piezoelectricity Based on All-at-Once and Reduced Regularization, GAMM Annual Meeting, Dresden, 2023.

Estimation of piezoelectric material parameters of ring-shaped specimens
O. Friesen, L. Claes, N. Feldmann, B. Henning, Tm - Technisches Messen (2024).

Neuronale Netze zur Startwertschätzung bei der Identifikation piezoelektrischer Materialparameter
K. Koch, L. Claes, B. Jurgelucks, L. Meihost, Tm - Technisches Messen (2024).

Machine Learning-Supported Inverse Measurement Procedure for Broadband, Temperature Dependent Piezoelectric Material Parameters
L. Claes, K. Koch, O. Friesen, L. Meihost, Acta Acustica 9 (2025).

A model for heat generation by acoustic waves in piezoelectric materials: Global large-data solutions
L. Claes, J. Lankeit, M. Winkler, Mathematical Models and Methods in Applied Sciences 35 (2025) 2465–2512.

Sensitivity Analysis and Material Parameter Estimation of a Pre-Stressed Langevin Transducer
O. Friesen, C. Scheidemann, L. Claes, T. Hemsel, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 138–141.

Identification of temperature-dependent material parameter functions in piezoelectricity
R. Kuess, O. Friesen, B. Henning, A. Walther, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Germany, 2025, pp. 134–137.

A DC bias approach to the characterisation of non-linear material parameters of piezoelectric ceramics
D. Dreiling, N. Feldmann, B. Henning, in: AMA Service GmbH, 2019.

Rough Data in an Evolution System Generalizing 1D Thermoviscoelasticity with Temperature-Dependent Parameters
M. Winkler, Applied Mathematics & Optimization 91 (2025).

Estimation of piezoelectric material parameters under varying electric field conditions
O. Friesen, L. Meihost, K. Koch, L. Claes, B. Henning, in: 2025.

L∞ blow-up in the Jordan-Moore-Gibson-Thompson equation
V. Nikolić, M. Winkler, Nonlinear Analysis 247 (2024).

Estimation of piezoelectric material parameters of ring-shaped specimens
O. Friesen, L. Claes, N. Feldmann, B. Henning, Estimation of Piezoelectric Material Parameters of Ring-Shaped Specimens, International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), 2022.

Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements
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.

Modeling and simulation of the behavior of piezoceramics with the discontinuous Galerkin method
C. Spieker, J. Förstner, J. Hölscher, L. Claes, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 126–129.

Multiscale thermo-piezoelectric simulations using the finite element method
J. Hölscher, O. Friesen, L. Claes, C. Spieker, J. Förstner, B. Henning, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 130–133.