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Numerical Modeling for the Static and Dynamic Analysis of Nearly Incompressible Dielectric Elastomers

  • This thesis investigates the electromechanic coupling of dielectric elastomers for the static and dynamic case by numerical simulations. To this end, the fundamental equations of the coupled field problem are introduced and the discretisation procedure for the numerical implementation is described. Furthermore, a three field formulation is proposed and implemented to treat the nearly incompressible behaviour of the elastomer. Because of the reduced electric permittivity of the material, very high electric fields are required for actuation purposes. To improve the electromechanic coupling a heterogeneous microstructure consisting of an elastomer matrix with barium titanate inclusions is proposed and studied.

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Author:Markus Klassen
URN (permanent link):urn:nbn:de:hbz:386-kluedo-44918
Serie (Series number):Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik (13)
Advisor:Ralf Müller
Document Type:Doctoral Thesis
Language of publication:English
Publication Date:2016/11/10
Date of first Publication:2016/11/10
Publishing Institute:Technische Universität Kaiserslautern
Granting Institute:Technische Universität Kaiserslautern
Acceptance Date of the Thesis:2016/09/23
Date of the Publication (Server):2016/11/11
Tag:coupled problems; dielectric elastomers; finite element method
Number of page:X, 98
Faculties / Organisational entities:Fachbereich Maschinenbau und Verfahrenstechnik
DDC-Cassification:6 Technik, Medizin, angewandte Wissenschaften / 620 Ingenieurwissenschaften und Maschinenbau
Licence (German):Standard gemäß KLUEDO-Leitlinien vom 30.07.2015