2005
DOI: 10.1016/j.enganabound.2005.01.012
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A 2D time-domain BEM for transient wave scattering analysis by a crack in anisotropic solids

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Cited by 22 publications
(6 citation statements)
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“…6, which imply that the present time-domain BEM is quite insensitive to the selected time-steps. This is an important advantage over the classical time-domain BEM [24,25,31], which suffers from the stability problem.…”
Section: Numerical Resultsmentioning
confidence: 99%
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“…6, which imply that the present time-domain BEM is quite insensitive to the selected time-steps. This is an important advantage over the classical time-domain BEM [24,25,31], which suffers from the stability problem.…”
Section: Numerical Resultsmentioning
confidence: 99%
“…In contrast to the conventional time-domain BEM [24,25,31], the present method uses the Laplace-domain instead of the time-domain elastodynamic fundamental solutions. This is advantageous for cases where timedomain dynamic fundamental solutions are not available but their Laplace-transforms can be obtained.…”
Section: Time-domain Bemmentioning
confidence: 99%
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“…A time-domain displacement BEM for transient wave scattering analysis by cavities or holes has been presented by Wang et al [35], who used the time-domain elastodynamic fundamental solutions for anisotropic elastic solids derived by Wang and Achenbach [33] the isotropic case, time-domain fundamental solutions for homogenous, anisotropic and linear elastic solids have no closed-form expressions and can be represented only as line-integrals over a unit-circle in two-dimensional (2D) case. Hirose et al [23] and Tan et al [30,31] have developed a collocation-Galerkin BEM for transient dynamic crack analysis in infinite, homogeneous, anisotropic and linear elastic solids. In their time-domain BEM, regularized traction boundary integral equations (BIEs) have been applied, and a combination of the collocation method and the Galerkinmethod has been used.…”
Section: Introductionmentioning
confidence: 99%
“…On the external boundary of the cracked solid and on the crack-faces away from the crack-tips, standard linear elements are adopted, while special crack-tip elements are implemented at the crack-tips to describe the local square-root behavior of the crack-opening-displacements (CODs) properly. Unlike the TDBEM presented in [16][17][18], which uses regularized time-domain traction BIEs, special analytical techniques are developed in the present TDBEM to directly compute the strongly singular and hypersingular boundary integrals without regularization. Spatial integrations of the double integrals arising in the Galerkin method are performed analytically.…”
mentioning
confidence: 99%