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Boundary element method for finite elasticity

机译:有限弹性的边界元法

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This paper describes some integral formulations and implementations of a Boundary Element Method to solve two- and three-dimensional finite deformation problems of rubber-like materials. The integral equations are formulated in terms of unknown incremental displacement and total boundary traction fields, or alternatively in terms of the incremental displacement and incremental boundary traction fields. The elastic material is either compressible or incompressible with given constitutive equations. Both formulations are implemented and tested. The uniaxial elongation and simple shear deformations of a model material are successfully simulated by both formulations. Some non-trivial examples are performed using the first formulation.
机译:本文介绍了边界元法求解类橡胶材料二维和三维有限变形问题的一些积分公式和实现。积分方程由未知增量位移和总边界牵引场表示,或以增量位移和增量边界牵引场表示。弹性材料在给定的本构方程下是可压缩的或不可压缩的。两种配方都经过实施和测试。两种公式都成功地模拟了模型材料的单轴伸长率和简单剪切变形。使用第一种公式执行一些非平凡的例子。

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