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74 Publications
2024 | Research Data | LibreCat-ID: 12950
L. Claes and M. Webersen, pyfds 0.3.1 - modular field simulation tool. GitHub, Inc., 2024.
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2024 | Conference Paper | LibreCat-ID: 53822 | 
O. Friesen, M. A. Pasha, M. Schwengelbeck, L. Claes, E. Baumhögger, and B. Henning, “Untersuchung piezoelektrischer Materialeigenschaften unter hydrostatischer Last,” in Fortschritte der Akustik - DAGA 2024, Hannover, 2024, pp. 1117–1120.
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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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2024 | Conference Paper | LibreCat-ID: 53823 |
L. Claes, “Einfluss der periodischen Struktur auf geführte Wellen in gewebeverstärkten Polymeren,” in Fortschritte der Akustik - DAGA 2024, 2024, pp. 620–623.
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2024 | Conference Paper | LibreCat-ID: 53828
H. Zeipert, J. Hölscher, L. Claes, and B. Henning, “Beschreibung des akustischen Verhaltens verklebter plattenförmiger Strukturen mittels Kopplungsmodellen,” in Fortschritte der Akustik - DAGA 2024, 2024, pp. 640–643.
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2023 | Conference Paper | LibreCat-ID: 43233
H. Zeipert, C. von Germeten, O. Friesen, L. Claes, S. Johannesmann, and B. Henning, “Investigation of change in dispersive behaviour during adhesive curing in multi-layered structures,” in Fortschritte der Akustik - DAGA 2023, Hamburg, 2023, pp. 819–822.
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2023 | Conference Paper | LibreCat-ID: 43229
L. Claes, “Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung,” in Fortschritte der Akustik - DAGA 2023, Hamburg, 2023, pp. 7–14.
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2023 | Journal Article | LibreCat-ID: 37543
T. Hetkämper, K. Koch, L. Claes, and B. Henning, “Phase-preserving methods to visualise ultrasonic fields with schlieren imaging,” tm - Technisches Messen, vol. 90, no. 2, pp. 103–112, 2023, doi: 10.1515/teme-2022-0112.
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2023 | Journal Article | LibreCat-ID: 45445
L. Claes et al., “Inverse procedure for measuring piezoelectric material parameters using a single multi-electrode sample,” Journal of Sensors and Sensor Systems, vol. 12, no. 1, pp. 163–173, 2023, doi: 10.5194/jsss-12-163-2023.
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2023 | Misc | LibreCat-ID: 45455
L. Claes, L. Meihost, and B. Jurgelucks, Inverse procedure for the identification of piezoelectric material parameters supported by dense neural networks. GAMM Annual Meeting, Dresden, 2023.
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2023 | Conference Paper | LibreCat-ID: 47138
T. Hetkämper, K. Koch, M. Webersen, and L. Claes, “Application-based learning of signal analysis methods with the help of a graphical open-source software,” presented at the SEFI 2023 Annual Conference, 2023, doi: 10.21427/159K-G445.
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2023 | Journal Article | LibreCat-ID: 48053
T. Hetkämper, L. Claes, and B. Henning, “Vorzeichenrichtige tomographische Rekonstruktion von Ultraschallfeldern mit Hilfe der Schlierentechnik,” tm - Technisches Messen, vol. 90, no. s1, pp. 49–54, 2023, doi: 10.1515/teme-2023-0069.
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2023 | Conference Abstract | LibreCat-ID: 51117
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, and W. Sextro, “Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics,” presented at the 7th International Conference on Advanced Electromaterials (ICAE 2023), Jeju, Korea, 2023.
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2023 | Conference Abstract | LibreCat-ID: 51118
C. Scheidemann, T. Hemsel, O. Friesen, L. Claes, and W. Sextro, “Influence of Temperature and Pre-Stress on the Piezoelectric Material Behavior of Ring-Shaped Ceramics,” presented at the International Conference on Functional Materials & Devices 2023 (ICFMD 2023), Incheon, Korea, 2023.
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2022 | Misc | LibreCat-ID: 6592
L. Claes, Messverfahren für die akustische Absorption zur Bestimmung der Volumenviskosität. Workshop “Messtechnische Anwendungen von Ultraschall”, Drübeck, 2022.
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2022 | Conference Paper | LibreCat-ID: 31331
T. Hetkämper, L. Claes, and B. Henning, “Schlieren imaging with fractional Fourier transform to visualise ultrasonic fields,” presented at the 21. ITG/GMA- Fachtagung Sensoren und Messsysteme 2022, Nürnberg, 2022.
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2022 | Conference Paper | LibreCat-ID: 6553
L. Claes, N. Feldmann, V. Schulze, B. Jurgelucks, A. Walther, and B. Henning, “Identification of piezoelectric material parameters using optimised multi-electrode specimens,” in Fortschritte der Akustik - DAGA 2022, Stuttgart, 2022, pp. 1326–1329.
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2022 | Journal Article | LibreCat-ID: 6579 |
V. Inguva et al., “An explicit symplectic approach to solving the wave equation in moving media,” Engineering Reports, Art. no. e12573, 2022, doi: 10.1002/eng2.12573.
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2022 | Misc | LibreCat-ID: 6558
O. Friesen, L. Claes, N. Feldmann, and B. Henning, Estimation of piezoelectric material parameters of ring-shaped specimens. International Workshop on Piezoelectric Materials and Applications in Actuators (IWPMA), 2022.
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2022 | Journal Article | LibreCat-ID: 30863
S. Johannesmann, L. Claes, N. Feldmann, H. Zeipert, and B. Henning, “Lamb wave based approach to the determination of acoustic material parameters,” tm - Technisches Messen, vol. 89, no. 7–8, pp. 493–506, 2022, doi: 10.1515/teme-2021-0134.
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2022 | Conference Paper | LibreCat-ID: 6588
S. Johannesmann, L. Claes, and B. Henning, “Estimation of viscoelastic material parameters of polymers using Lamb waves,” in Fortschritte der Akustik - DAGA 2022, Stuttgart, 2022, pp. 1401–1404.
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2021 | Journal Article | LibreCat-ID: 21067
L. Claes, H. Schmiegel, C. Grünsteidl, S. Johannesmann, M. Webersen, and B. Henning, “Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications,” tm - Technisches Messen, vol. 88, no. 3, pp. 147–155, 2021.
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2021 | Journal Article | LibreCat-ID: 22925
L. Claes et al., “Measurement procedure for acoustic absorption and bulk viscosity of liquids,” Measurement, Art. no. 109919, 2021, doi: 10.1016/j.measurement.2021.109919.
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2021 | Journal Article | LibreCat-ID: 27367
H. Zeipert et al., “An approach to adhesive bond characterisation using guided acoustic waves in multi-layered plates,” at - Automatisierungstechnik, pp. 962–969, 2021, doi: 10.1515/auto-2021-0089.
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2021 | Conference Paper | LibreCat-ID: 25880 |
T. Hetkämper, D. Dreiling, L. Claes, and B. Henning, “Tomographie des Schallfelds von Ultraschallwandlern mittels Schlierentechnik,” presented at the DAGA 2021 - 47. Jahrestagung für Akustik, 2021.
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2021 | Dissertation | LibreCat-ID: 21502 |
L. Claes, Messverfahren für die akustische Absorption in reinen Fluiden zur Bestimmung der Volumenviskosität. Universiät Paderborn, 2021.
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2021 | Misc | LibreCat-ID: 21233
V. Schulze, S. Schmidt, B. Jurgelucks, N. Feldmann, and L. Claes, Optimal experiment design with respect to electrode configurations for a piezoelectric problem. GAMM Annual Meeting, Kassel, 2021.
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2021 | Journal Article | LibreCat-ID: 21341
N. Feldmann et al., “Modelling damping in piezoceramics: A comparative study,” tm - Technisches Messen, vol. 88, no. 5, pp. 294–302, 2021, doi: 10.1515/teme-2020-0096.
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2021 | Conference Paper | LibreCat-ID: 22012
L. Claes et al., “Optimised Multi-Electrode Topology for Piezoelectric Material Characterisation,” Nürnberg, 2021, pp. 237–238, doi: 10.5162/SMSI2021/A10.1.
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2021 | Misc | LibreCat-ID: 23462
V. Schulze, S. Schmidt, B. Jurgelucks, N. Feldmann, and L. Claes, Piezoelectric BC Modeling for Electrode Shapes with OED. GAMM Juniors’ Summer School 2021, Graz, 2021.
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2020 | Conference Paper | LibreCat-ID: 15490 |
L. Claes, E. Baumhögger, T. Rüther, J. Gierse, T. Tröster, and B. Henning, “Reduction of systematic measurement deviation in acoustic absorption measurement systems,” in Fortschritte der Akustik - DAGA 2020, 2020, pp. 1077–1080.
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2020 | Journal Article | LibreCat-ID: 19313
N. Feldmann, V. Schulze, L. Claes, B. Jurgelucks, A. Walther, and B. Henning, “Inverse piezoelectric material parameter characterization using a single disc-shaped specimen,” tm - Technisches Messen, pp. 50–55, 2020, doi: 10.1515/teme-2020-0012.
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2020 | Conference Paper | LibreCat-ID: 13943 |
M. Krumme, M. Webersen, L. Claes, and Y. Webersen, “Analoge Klangsynthese zur Vermittlung von Grundkenntnissen der Signalverarbeitung an Studierende nicht-technischer Fachrichtungen,” in Fortschritte der Akustik - DAGA 2020, 2020, pp. 542–545.
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2020 | Conference Paper | LibreCat-ID: 19502 |
T. Hetkämper, M. Krumme, D. Dreiling, and L. Claes, “A modular, scalable open-hardware platform for project-based laboratory courses in electrical engineering studies,” in SEFI 48th Annual Conference Proceedings - Engaging Engineering Education, Enschede, 2020, pp. 1309–1313.
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2020 | Journal Article | LibreCat-ID: 15489 |
L. Claes, C. Steidl, T. Hetkämper, and B. Henning, “Estimation of acoustic wave non-linearity in ultrasonic measurement systems,” arXiv.org, 2020, doi: 10.48550/arXiv.2001.05708.
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2019 | Conference Paper | LibreCat-ID: 9718
S. Johannesmann, M. Webersen, J. Düchting, L. Claes, and B. Henning, “Characterization of the linear-acoustic material behavior of fiber-reinforced composites using lamb waves,” in 45th Annual Review of Progress in Quantitative Nondestructive Evaluation , Burlington, 2019, vol. 38.
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2019 | Journal Article | LibreCat-ID: 13143
L. Claes et al., “Acoustic absorption measurement for the determination of the volume viscosity of pure fluids / Messverfahren für die akustischen Absorption zur Bestimmung der Volumenviskosität reiner Fluide,” tm - Technisches Messen, pp. 2–6, 2019.
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2019 | Misc | LibreCat-ID: 8482
B. Jurgelucks, V. Schulze, N. Feldmann, and L. Claes, Arbitrary sensitivity for inverse problems in piezoelectricity. GAMM Annual Meeting, Wien, 2019.
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2018 | Journal Article | LibreCat-ID: 6562
N. Feldmann, B. Jurgelucks, L. Claes, V. Schulze, B. Henning, and A. Walther, “An inverse approach to the characterisation of material parameters of piezoelectric discs with triple-ring-electrodes,” tm - Technisches Messen, vol. 86, no. 2, pp. 59–65, 2018.
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2018 | Journal Article | LibreCat-ID: 6567
S. Johannesmann, J. Düchting, M. Webersen, L. Claes, and B. Henning, “An acoustic waveguide-based approach to the complete characterisation of linear elastic, orthotropic material behaviour,” tm - Technisches Messen, vol. 2018, no. 85, pp. 478–486, 2018.
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2018 | Conference Paper | LibreCat-ID: 6568
S. Johannesmann, T. Brockschmidt, F. Rump, M. Webersen, L. Claes, and B. Henning, “Acoustic material characterization of prestressed, plate-shaped specimens,” in Sensoren und Messsysteme, 2018, pp. 231–234.
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2018 | Journal Article | LibreCat-ID: 6577
M. Webersen, S. Johannesmann, J. Düchting, L. Claes, and B. Henning, “Guided ultrasonic waves for determining effective orthotropic material parameters of continuous-fiber reinforced thermoplastic plates,” Ultrasonics, vol. 84, pp. 53–62, 2018.
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2018 | Conference Paper | LibreCat-ID: 6578
M. Webersen, S. Johannesmann, J. Düchting, L. Claes, and B. Henning, “Akustische Charakterisierung der richtungsabhängigen elastischen Eigenschaften faserverstärkter Kunststoffe,” in Fortschritte der Akustik - DAGA 2018, 2018, pp. 1263–1266.
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