A modal-based Partition of Unity Finite Element Method for elastic wave propagation problems in layered media

P. Destuynder,L. Hervella-Nieto,P.M. López-Pérez, J. Orellana,A. Prieto

Computers & Structures（2022）

引用 4|浏览7

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摘要

•A modal basis and a Partition of Unity Finite Element Method are combined.•The tensorial form of Love and internal eigenmodes of a bilayered material are used.•Condition number for the stiffness matrix is estimated a priori.•Some regularization techniques are analyzed in different discrete scenarios.•The modal basis can be selected in terms of the interface crack observability.

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关键词

Partition of Unity Finite Element Method,Layered material,Modal decomposition

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