Original title: Transient response of layered orthotropic strip to transverse load
Authors: Adámek, V. ; Valeš, František ; Červ, Jan
Document type: Papers
Conference/Event: Engeneering Mechanics /22./, Svratka (CZ), 2016-05-09 / 2016-05-12
Year: 2016
Language: eng
Abstract: This work concerns the transient response of an infinite two-layered strip subjected to a transverse load of impact character. The material of each layer is assumed to be specially orthotropic, i.e. the material and geometric axes coincide. Moreover, the material is modelled as linear viscoelastic using the model of standard linear viscoelastic solid such that the damping behaviour of the strip for long wavelengths and long times can be addressed. The non-stationary wave phenomena in the strip are studied using analytical approach. The system of equations of motion for the case of 2D plane-stress problem is solved using the classical method of integral transform. Once the formulas for the Laplace transforms of fundamental mechanical quantities are derived, the numerical inverse Laplace transform is used to obtain the response in time domain for a strip with free-fixed boundaries. The results for a strip composed of two orthotropic layers of specific material properties are presented in this work. Finally, this solution is confronted with the results of numerical simulations reached by a professional FE code.
Keywords: analytical solution; layered strip; orthotropic material; viscoelastic material; wave propagation
Project no.: GAP101/12/2315 (CEP)
Funding provider: GA ČR
Host item entry: Engineering Mechanics 2016, ISBN 978-80-87012-59-8, ISSN 1805-8248

Institution: Institute of Thermomechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0261298

Permalink: http://www.nusl.cz/ntk/nusl-253834


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Research > Institutes ASCR > Institute of Thermomechanics
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