On Well Posedness in Continuum Interface Problems |
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Authors: | Johannes Utzinger Andreas Menzel Ellen Kuhl Paul Steinmann |
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Affiliation: | Chair of Applied Mechanics, TU Kaiserslautern, P.O. Box 3049, 67653 Kaiserslautern, Germany |
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Abstract: | By considering continuum interface problems like e.g. the modeling of composites, the possible loss of well posedness of the resulting Boundary Value Problem has to be considered, dependent on the choice of material laws in the bulk and in the interface. In this contribution, the problem is discussed for a bulk material connected to a rigid substrate by an interface layer. The isotropic bulk material is linear elastic while for the interface elasticity and elasticity with damage is investigated. A complex surface acoustic tensor is introduced by applying a decaying surface wave ansatz to the incremental boundary value problem. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim) |
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