A Dirichlet-to-Neumann finite element method for axisymmetric elastostatics in a semi-infinite domain
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- 作者：Eduardo Godoya ; eduardo.godoy@ingmat.com" class="auth_mail" title="E-mail the corresponding author ; Valeria Boccardob ; c ; vhboccar@puc.cl" class="auth_mail" title="E-mail the corresponding author ; Mario Durá ; na ; mario.duran@ingmat.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Dirichlet-to-Neumann map ; Semi-infinite domain ; Finite elements ; Elasticity
- 刊名：Journal of Computational Physics
- 出版年：2017
- 出版时间：1 January 2017
- 年：2017
- 卷：328
- 期：Complete
- 页码：1-26
- 全文大小：1301 K
文摘
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A numerical method for elasticity in axisymmetric semi-infinite domains is proposed.
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The method couples finite elements with Dirichlet-to-Neumann boundary conditions.
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The lack of an explicit closed-form expression for the DtN map needs to be overcome.
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This is done by using a procedure that combines analytical and numerical techniques.
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The numerical experiments confirm the effectiveness and accuracy of the method.