Optimization based determination of highly absorbing boundary conditions for linear finite difference schemes
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- 作者：A. Schirrer alexander.schirrer@tuwien.ac.at" class="auth_mail" title="E-mail the corresponding author ; E. Talic ; emir.talic@tuwien.ac.at" class="auth_mail" title="E-mail the corresponding author ; G. Aschauer guilherme.aschauer@tuwien.ac.at" class="auth_mail" title="E-mail the corresponding author ; M. Kozek martin.kozek@tuwien.ac.at" class="auth_mail" title="E-mail the corresponding author ; S. Jakubek stefan.jakubek@tuwien.ac.at" class="auth_mail" title="E-mail the corresponding author
- 关键词：absorbing boundary condition ; wave propagation
- 刊名：Journal of Sound and Vibration
- 出版年：2016
- 出版时间：17 March 2016
- 年：2016
- 卷：365
- 期：Complete
- 页码：45-69
- 全文大小：5287 K
文摘
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Generic method for the determination of absorbing boundary conditions (ABCs).
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Optimization-based approach is applicable to various linear PDEs.
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Two accuracy objectives and one stability condition are proposed.
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ABCs for the Euler-Bernoulli beam under axial load are derived.