The three-dimensional boundary element method for elastic materials was extended to develop a fast multipole expansion formulation of the fundamental solutions for quadratic elements.
在三维弹性力学边界元法的基础上，推导出二阶单元的基本解快速多极展开格式。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
采用二次形函数薄层单元和傍轴边界分别模拟弹性半空间上的层状场地和半空间。
Layered soils and elastic half-space were simulated by thin layer elements with quadratic shape function and paraxial boundary respectively.
采用二次形函数薄层单元和傍轴边界分别模拟弹性半空间上的层状场地和半空间。
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