Scattering Of Waves By Buried Cavities ViaBoundary Element Method
作者： F.A.S. Paulo , A.J.B. Tadeu
DOI: 10.2495/EBEM980181
关键词:
摘要: The Boundary Element Method (BEM) is used to determine the scattering of elastic waves by cavities buried in a two-dimensional medium when struck dynamic line sources. BEM formulated frequency domain means Green's functions. boundary cavity discretized using constant, linear and quadratic elements. element full system equations generated results from integrations functions its derivatives along boundaries. diagonal terms are dominant ones this equations, therefore solution highly dependent on those terms. needed produce involve singularities. Thus, integration singularities plays key role determining accuracy final solution. This paper presents evaluation singular integrals analytical form. then compared with solutions cylindrical cavities.
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