A locking-free solver for linear elasticity on quadrilateral and hexahedral meshes based on enrichment of Lagrangian elements
A locking-free solver for linear elasticity on quadrilateral and hexahedral meshes based on enrichment of Lagrangian elements
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基于拉格朗日单元富集的四边形和六面体网格线弹性无锁求解器
DOI:
10.1016/j.camwa.2020.07.014
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发表时间:
2020-09
影响因子:
2.9
通讯作者:
Ran Zhang
中科院分区:
文献类型:
--
作者:
Graham Harper;Ruishu Wang;Jiangguo Liu;Simon Tavener;Ran Zhang
This paper presents a new finite element solver for linear elasticity on quadrilateral and hexahedral meshes based on enrichment of the classical bilinear or trilinear Lagrangian elements. It solves the primal variable displacement in the strain–div formulation and can handle both displacement and traction boundary conditions. It is a locking-free solver based on conforming finite elements. The solver has second order accuracy in displacement and first order accuracy in stress and dilation (divergence of displacement), as validated by theoretical analysis and illustrated by numerical experiments on benchmarks.deal.IIimplementation is also discussed.
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1016/j.cam.2015.12.015
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2016-12-01
影响因子:
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