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48 Publications


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 | 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 | Dissertation | LibreCat-ID: 21502
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 | 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 | 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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2020 | Conference Paper | LibreCat-ID: 13943
Analoge Klangsynthese zur Vermittlung von Grundkenntnissen der Signalverarbeitung an Studierende nicht-technischer Fachrichtungen
M. Krumme, M. Webersen, L. Claes, Y. Webersen, in: Fortschritte der Akustik - DAGA 2020, 2020, pp. 542–545.
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2020 | Conference Paper | LibreCat-ID: 15490
Reduction of systematic measurement deviation in acoustic absorption measurement systems
L. Claes, E. Baumhögger, T. Rüther, Jan Gierse, T. Tröster, B. Henning, in: Fortschritte Der Akustik - DAGA 2020, 2020, pp. 1077–1080.
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2020 | Journal Article | LibreCat-ID: 15489
Estimation of acoustic wave non-linearity in ultrasonic measurement systems
L. Claes, C. Steidl, T. Hetkämper, B. Henning, ArXiv.Org (2020).
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2020 | Research Data | LibreCat-ID: 12950
pyfds 0.1.3 - modular field simulation tool
L. Claes, M. Webersen, Pyfds 0.1.3 - Modular Field Simulation Tool, GitHub, Inc., 2020.
LibreCat | Files available | DOI
 

2020 | Conference Paper | LibreCat-ID: 19502
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: 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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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 | 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 | 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 | 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 | 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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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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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 | Misc | LibreCat-ID: 6596
Einfluss mechanischer Vorspannung auf das mechanische Materialverhalten von Polymeren
M. Webersen, S. Johannesmann, T. Brockschmidt, F. Rump, L. Claes, B. Henning, Einfluss mechanischer Vorspannung auf das mechanische Materialverhalten von Polymeren, Workshop “Messtechnische Anwendungen von Ultraschall”, Drübeck, 2018.
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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 | 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 | 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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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 | Misc | LibreCat-ID: 6594
Additiv gefertigte, akustische Diffusor-Strukturen für Ultraschallanwendungen
L. Claes, H. Zeipert, P. Koppa, T. Tröster, B. Henning, Additiv Gefertigte, Akustische Diffusor-Strukturen Für Ultraschallanwendungen, Workshop “Messtechnische Anwendungen von Ultraschall”, Drübeck, 2018.
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2018 | Journal Article | LibreCat-ID: 6571
Optimization of triple-ring electrodes on piezoceramic transducers using algorithmic differentiation
B. Jurgelucks, L. Claes, A. Walther, B. Henning, Optimization Methods and Software (2018) 1–21.
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2018 | Misc | LibreCat-ID: 6595
Vollständige Charakterisierung von piezoelektrischen Scheiben mit Ringelektroden
N. Feldmann, B. Jurgelucks, L. Claes, B. Henning, Vollständige Charakterisierung von Piezoelektrischen Scheiben Mit Ringelektroden, Workshop “Messtechnische Anwendungen von Ultraschall”, Drübeck, 2018.
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2017 | Conference Paper | LibreCat-ID: 6565
Evaluating the Influence of 3D-Printing Parameters on Acoustic Material Properties
A. Jäger, S. Johannesmann, L. Claes, M. Webersen, B. Henning, M. Kupnik, in: 2017 IEEE IUS~Proceedings, 2017.
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2017 | Conference Paper | LibreCat-ID: 6572
Material parameter determination of a piezoelectric disc with triple-ring-electrodes for increased sensitivity
B. Jurgelucks, N. Feldmann, L. Claes, B. Henning, A. Walther, in: Proceedings of Meetings on Acoustics, Honolulu, 2017, p. 030010.
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2017 | Misc | LibreCat-ID: 6591
Spektrale Verfahren zur Bestimmung der akustischen Absorption in fluiden Medien
L. Claes, N. Feldmann, B. Henning, Spektrale Verfahren Zur Bestimmung Der Akustischen Absorption in Fluiden Medien, Workshop “Schallfeldbasierte Messverfahren”, Drübeck, 2017.
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2017 | Conference Paper | LibreCat-ID: 6566
Inverser Ansatz zur akustischen Charakterisierung plattenförmiger Materialproben
S. Johannesmann, L. Claes, M. Webersen, B. Henning, in: Fortschritte Der Akustik - DAGA 2017, Deutsche Gesellschaft für Akustik e.V. 2017, 2017, pp. 999–1002.
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2017 | Conference Paper | LibreCat-ID: 6559
Additively manufactured acoustic diffuser structures for ultrasonic measurement applications
L. Claes, H. Zeipert, P. Koppa, T. Tröster, B. Henning, in: Proceedings of Meetings on Acoustics, Honolulu, 2017, p. 030004.
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2017 | Conference Paper | LibreCat-ID: 6556
A Spectral Approach to Acoustic Absorption Measurement
L. Claes, R.S. Chatwell, J. Vrabec, B. Henning, in: PROCEEDINGS -- AMA Conferences 2017, AMA Service GmbH, 2017, pp. 304–309.
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2017 | Conference Paper | LibreCat-ID: 6575
Ultrasonic measurements in the characterization of viscoelasticity and aging of polymers
F. Bause, L. Claes, M. Webersen, B. Henning, in: PROCEEDINGS -- AMA Conferences 2017, 2017, p. 414.
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2017 | Journal Article | LibreCat-ID: 6552
Viskoelastizität und Anisotropie von Kunststoffen: Ultraschallbasierte Methoden zur Materialparameterbestimmung
F. Bause, L. Claes, M. Webersen, S. Johannesmann, B. Henning, Tm - Technisches Messen 84 (2017).
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2017 | Conference Paper | LibreCat-ID: 6557
Acoustic Material Characterization of Additively Manufactured Components
L. Claes, A. Jäger, S. Johannesmann, M. Webersen, M. Kupnik, B. Henning, in: PROCEEDINGS -- AMA Conferences 2017, AMA Service GmbH, 2017, pp. 605–610.
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2016 | Journal Article | LibreCat-ID: 6555
Determination of the material properties of polymers using laser-generated broadband ultrasound
L. Claes, T. Meyer, F. Bause, J. Rautenberg, B. Henning, Journal of Sensors and Sensor Systems 5 (2016) 187–196.
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2016 | Journal Article | LibreCat-ID: 6551
Ultrasonic transmission measurements in the characterization of viscoelasticity utilizing polymeric waveguides
F. Bause, J. Rautenberg, N. Feldmann, M. Webersen, L. Claes, H. Gravenkamp, B. Henning, Measurement Science and Technology 27 (2016).
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2016 | Conference Paper | LibreCat-ID: 6570
Optimisation of triple-ring-electrodes on piezoceramic transducers using algorithmic differentiation
B. Jurgelucks, L. Claes, in: AD2016 The 7th International Conference on Algorithmic Differentiation, 2016, pp. 99–102.
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2016 | Conference Paper | LibreCat-ID: 6564
Miniaturized all-optical Sound Pressure Sensor
B. Fischer, L. Claes, in: INTER-NOISE 2016, Deutsche Gesellschaft für Akustik e.V., 2016.
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2016 | Conference Paper | LibreCat-ID: 6576
Characterization of Continuous-fiber Reinforced Thermoplastics Using Thermoacoustically Excited Ultrasonic Lamb Waves
M. Webersen, S. Johannesmann, L. Claes, B. Henning, in: 2016 IEEE IUS~Proceedings, 2016.
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2016 | Misc | LibreCat-ID: 6569
Increasing the Sensitivity of Impedance with Respect to Material Parameters of Triple-Ring Electrode Piezoelectric Transducers using Algorithmic Differentiation
B. Jurgelucks, L. Claes, Increasing the Sensitivity of Impedance with Respect to Material Parameters of Triple-Ring Electrode Piezoelectric Transducers Using Algorithmic Differentiation, Workshop on Direct and Inverse Problems in Piezoelectricity, Erlangen, 2016.
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2015 | Conference Paper | LibreCat-ID: 6554
Detection of ultrasonic plate waves using ceramic strip transducers
L. Claes, F. Bause, J. Rautenberg, B. Henning, in: Proceedings SENSOR 2015, 2015, pp. 775–779.
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2014 | Mastersthesis | LibreCat-ID: 6553
Thermoelastisch erzeugte Lamb-Wellen zur Untersuchung der Dispersionseigenschaften von Plattenwellenleitern
L. Claes, Thermoelastisch Erzeugte Lamb-Wellen Zur Untersuchung Der Dispersionseigenschaften von Plattenwellenleitern, 2014.
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2014 | Conference Paper | LibreCat-ID: 6574 LibreCat
 

2014 | Misc | LibreCat-ID: 6550
Methoden zur Zeit-Frequenz-Analyse bei der Untersuchung dispersionsbehafteter Signale
F. Bause, J. Rautenberg, N. Feldmann, L. Claes, B. Henning, Methoden zur Zeit-Frequenz-Analyse bei der Untersuchung dispersionsbehafteter Signale, DEGA-Symposium, Bad Honnef, 2014.
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2013 | Conference Paper | LibreCat-ID: 6573
Influence of angular radiated ultrasound waves on the Schlieren tomogram
S. Olfert, L. Claes, B. Henning, in: Proceedings of the International Conference on Acoustics, DEGA, Berlin, 2013, pp. 477–480.
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