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73 Publications


2024 | Research Data | LibreCat-ID: 12950
pyfds 0.3.1 - modular field simulation tool
L. Claes, M. Webersen, Pyfds 0.3.1 - Modular Field Simulation Tool, GitHub, Inc., 2024.
LibreCat | Files available | DOI
 

2024 | Research Data | LibreCat-ID: 53662
Randomised material parameter piezoelectric impedance dataset with structured electrodes
K. Koch, L. Claes, Randomised Material Parameter Piezoelectric Impedance Dataset with Structured Electrodes, zenodo, 2024.
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2024 | Conference Paper | LibreCat-ID: 53822 | OA
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.
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2024 | Conference Paper | LibreCat-ID: 53824 | OA
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.
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2024 | Conference Paper | LibreCat-ID: 53823 | OA
Einfluss der periodischen Struktur auf geführte Wellen in gewebeverstärkten Polymeren
L. Claes, in: D. Gesellschaft für Akustik e.V. (Ed.), Fortschritte Der Akustik - DAGA 2024, 2024, pp. 620–623.
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2024 | Conference Paper | LibreCat-ID: 53828
Beschreibung des akustischen Verhaltens verklebter plattenförmiger Strukturen mittels Kopplungsmodellen
H. Zeipert, J. Hölscher, L. Claes, B. Henning, in: D. Gesellschaft für Akustik e.V. (Ed.), Fortschritte Der Akustik - DAGA 2024, 2024, pp. 640–643.
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2023 | Conference Paper | LibreCat-ID: 43233
Investigation of change in dispersive behaviour during adhesive curing in multi-layered structures
H. Zeipert, C. von Germeten, O. Friesen, L. Claes, S. Johannesmann, B. Henning, in: Fortschritte Der Akustik - DAGA 2023, 2023, pp. 819–822.
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2023 | Conference Paper | LibreCat-ID: 43229
Bestimmung der Volumenviskosität mittels akustischer Absorptionsmessung
L. Claes, in: Fortschritte Der Akustik - DAGA 2023, 2023, pp. 7–14.
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2023 | Journal Article | LibreCat-ID: 37543
Phase-preserving methods to visualise ultrasonic fields with schlieren imaging
T. Hetkämper, K. Koch, L. Claes, B. Henning, Tm - Technisches Messen 90 (2023) 103–112.
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2023 | Journal Article | LibreCat-ID: 45445
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.
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2023 | Misc | LibreCat-ID: 45455
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.
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2023 | Conference Paper | LibreCat-ID: 47138
Application-based learning of signal analysis methods with the help of a graphical open-source software
T. Hetkämper, K. Koch, M. Webersen, L. Claes, in: SEFI 51th Annual Conference Proceedings - Engineering Education for Sustainability, SEFI, 2023.
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2023 | Journal Article | LibreCat-ID: 48053
Vorzeichenrichtige tomographische Rekonstruktion von Ultraschallfeldern mit Hilfe der Schlierentechnik
T. Hetkämper, L. Claes, B. Henning, Tm - Technisches Messen 90 (2023) 49–54.
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2023 | Conference Abstract | LibreCat-ID: 51117
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.
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2023 | Conference Abstract | LibreCat-ID: 51118
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.
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2022 | Misc | LibreCat-ID: 6592
Messverfahren für die akustische Absorption zur Bestimmung der Volumenviskosität
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
Schlieren imaging with fractional Fourier transform to visualise ultrasonic fields
T. Hetkämper, L. Claes, B. Henning, in: Sensoren Und Messsysteme - Beiträge Der 21. ITG/GMA-Fachtagung, VDE Verlag GmbH, Berlin, Offenbach, 2022.
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2022 | Conference Paper | LibreCat-ID: 6553
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.
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2022 | Journal Article | LibreCat-ID: 6579 | OA
An explicit symplectic approach to solving the wave equation in moving media
V. Inguva, N. Feldmann, L. Claes, T. Koturbash, T. Hahn-Jose, V. Koutcherov, E. Kenig, Engineering Reports (2022).
LibreCat | DOI | Download (ext.)
 

2022 | Misc | LibreCat-ID: 6558
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.
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2022 | Journal Article | LibreCat-ID: 30863
Lamb wave based approach to the determination of acoustic material parameters
S. Johannesmann, L. Claes, N. Feldmann, H. Zeipert, B. Henning, Tm - Technisches Messen 89 (2022) 493–506.
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2022 | Conference Paper | LibreCat-ID: 6588
Estimation of viscoelastic material parameters of polymers using Lamb waves
S. Johannesmann, L. Claes, B. Henning, in: Fortschritte Der Akustik - DAGA 2022, 2022, pp. 1401–1404.
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2021 | Journal Article | LibreCat-ID: 21067
Investigating peculiarities of piezoelectric detection methods for acoustic plate waves in material characterisation applications
L. Claes, H. Schmiegel, C. Grünsteidl, S. Johannesmann, M. Webersen, B. Henning, Tm - Technisches Messen 88 (2021) 147–155.
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2021 | Journal Article | LibreCat-ID: 23791
Lamb wave based approach to the determination of elastic and viscoelastic material parameters
S. Johannesmann, L. Claes, B. Henning, Tm - Technisches Messen 88 (2021) s28–s33.
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2021 | Conference Paper | LibreCat-ID: 22013
Measurement and Simulation of Lamb Waves in Adhesive-bonded Multilayer Systems
H. Zeipert, L. Claes, S. Johannesmann, M. Webersen, Y. Lugovtsova, J. Prager, B. Henning, in: 2021, pp. 91–92.
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2021 | Journal Article | LibreCat-ID: 22925
Measurement procedure for acoustic absorption and bulk viscosity of liquids
L. Claes, R.S. Chatwell, E. Baumhögger, T. Hetkämper, H. Zeipert, J. Vrabec, B. Henning, Measurement (2021).
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2021 | Journal Article | LibreCat-ID: 27367
An approach to adhesive bond characterisation using guided acoustic waves in multi-layered plates
H. Zeipert, L. Claes, S. Johannesmann, Y. Lugovtsova, M. Nicolai, J. Prager, B. Henning, At - Automatisierungstechnik (2021) 962–969.
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2021 | Conference Paper | LibreCat-ID: 25880 | OA
Tomographie des Schallfelds von Ultraschallwandlern mittels Schlierentechnik
T. Hetkämper, D. Dreiling, L. Claes, B. Henning, in: Fortschritte der Akustik - DAGA 2021, 2021.
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2021 | Dissertation | LibreCat-ID: 21502 | OA
Messverfahren für die akustische Absorption in reinen Fluiden zur Bestimmung der Volumenviskosität
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
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.
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2021 | Journal Article | LibreCat-ID: 21341
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.
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2021 | Conference Paper | LibreCat-ID: 22012
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.
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2021 | Misc | LibreCat-ID: 23462
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.
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2020 | Conference Paper | LibreCat-ID: 15490 | OA
Reduction of systematic measurement deviation in acoustic absorption measurement systems
L. Claes, E. Baumhögger, T. Rüther, J. Gierse, T. Tröster, B. Henning, in: Fortschritte Der Akustik - DAGA 2020, 2020, pp. 1077–1080.
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2020 | Journal Article | LibreCat-ID: 19313
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.
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2020 | Conference Paper | LibreCat-ID: 13943 | OA
Analoge Klangsynthese zur Vermittlung von Grundkenntnissen der Signalverarbeitung an Studierende nicht-technischer Fachrichtungen
M. Krumme, M. Webersen, L. Claes, Y. Webersen, in: Deutsche Gesellschaft für Akustik e.V. (Ed.), Fortschritte der Akustik - DAGA 2020, 2020, pp. 542–545.
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2020 | Conference Paper | LibreCat-ID: 19502 | OA
A modular, scalable open-hardware platform for project-based laboratory courses in electrical engineering studies
T. Hetkämper, M. Krumme, D. Dreiling, L. Claes, in: SEFI 48th Annual Conference Proceedings - Engaging Engineering Education, SEFI, 2020, pp. 1309–1313.
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2020 | Journal Article | LibreCat-ID: 15489 | OA
Estimation of acoustic wave non-linearity in ultrasonic measurement systems
L. Claes, C. Steidl, T. Hetkämper, B. Henning, ArXiv.Org (2020).
LibreCat | DOI | Download (ext.) | arXiv
 

2019 | Conference Paper | LibreCat-ID: 9718
Characterization of the linear-acoustic material behavior of fiber-reinforced composites using lamb waves
S. Johannesmann, M. Webersen, J. Düchting, L. Claes, B. Henning, in: 45th Annual Review of Progress in Quantitative Nondestructive Evaluation , 2019.
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2019 | Conference Paper | LibreCat-ID: 15164
A sensitivity-based optimisation procedure for the characterisation of piezoelectric discs
N. Feldmann, B. Jurgelucks, L. Claes, B. Henning, in: 2019 International Congress on Ultrasonics, 2019.
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2019 | Conference Paper | LibreCat-ID: 16076
Evolutionary algorithm for the design of passive electric matching networks for ultrasonic transducers
T. Hetkämper, L. Claes, B. Henning, in: 2019 International Congress on Ultrasonics, 2019.
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2019 | Journal Article | LibreCat-ID: 13143
Acoustic absorption measurement for the determination of the volume viscosity of pure fluids / Messverfahren für die akustischen Absorption zur Bestimmung der Volumenviskosität reiner Fluide
L. Claes, L.M. Hülskämper, E. Baumhögger, N. Feldmann, R.S. Chatwell, J. Vrabec, B. Henning, Tm - Technisches Messen (2019) 2–6.
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2019 | Conference Paper | LibreCat-ID: 13647
Quantification of frequency-dependent absorption phenomena
L. Claes, S. Johannesmann, E. Baumhögger, B. Henning, in: 2019 International Congress on Ultrasonics, 2019.
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2019 | Misc | LibreCat-ID: 8482
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.
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2018 | Journal Article | LibreCat-ID: 6562
An inverse approach to the characterisation of material parameters of piezoelectric discs with triple-ring-electrodes
N. Feldmann, B. Jurgelucks, L. Claes, V. Schulze, B. Henning, A. Walther, Tm - Technisches Messen 86 (2018) 59–65.
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2018 | Journal Article | LibreCat-ID: 6567
An acoustic waveguide-based approach to the complete characterisation of linear elastic, orthotropic material behaviour
S. Johannesmann, J. Düchting, M. Webersen, L. Claes, B. Henning, Tm - Technisches Messen 2018 (2018) 478–486.
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2018 | Conference Paper | LibreCat-ID: 6568
Acoustic material characterization of prestressed, plate-shaped specimens
S. Johannesmann, T. Brockschmidt, F. Rump, M. Webersen, L. Claes, B. Henning, in: Sensoren Und Messsysteme, VDE Verlag GmbH, 2018, pp. 231–234.
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2018 | Journal Article | LibreCat-ID: 6577
Guided ultrasonic waves for determining effective orthotropic material parameters of continuous-fiber reinforced thermoplastic plates
M. Webersen, S. Johannesmann, J. Düchting, L. Claes, B. Henning, Ultrasonics 84 (2018) 53–62.
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2018 | Conference Paper | LibreCat-ID: 6578
Akustische Charakterisierung der richtungsabhängigen elastischen Eigenschaften faserverstärkter Kunststoffe
M. Webersen, S. Johannesmann, J. Düchting, L. Claes, B. Henning, in: Fortschritte Der Akustik - DAGA 2018, 2018, pp. 1263–1266.
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2018 | Misc | LibreCat-ID: 6593
Materialparameter von bleihaltigen und bleifreien Piezokeramiken und ihre Bedeutung in der Anwendung
L. Claes, N. Feldmann, B. Henning, Materialparameter von Bleihaltigen Und Bleifreien Piezokeramiken Und Ihre Bedeutung in Der Anwendung, PI Ceramic Akademie, Lederhose, 2018.
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