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Numerical modelling of acoustic–elastodynamic coupled problems by stabilized boundary element techniques

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Abstract

In this work, an efficient, flexible, accurate and stable algorithm to numerically model interacting acoustic–elastodynamic sub-domains is described. Stabilized time-domain boundary element techniques are considered to discretize each sub-domain of the model and proper numerical expressions on acoustic–elastodynamic interfaces are presented. Moreover, stabilized iterative coupling procedures are adopted and different time and space sub-domain discretizations are allowed, improving the robustness and versatility of the methodology. At the end of the paper, numerical results are presented, illustrating the potentialities of the proposed formulation.

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  1. Structural Engineering Department, Federal University of Juiz de Fora, Cidade Universitária, CEP 36036-330, Juiz de Fora, MG, Brazil

    D. Soares Jr

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Soares, D. Numerical modelling of acoustic–elastodynamic coupled problems by stabilized boundary element techniques. Comput Mech 42, 787–802 (2008). https://doi.org/10.1007/s00466-008-0282-2

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