The shape function matrices and the element stiffness matrices of the pile elements in layered media are derived by adopting the Beam - On - Dynamic - Winkler - Foundation model.
采用动力文克尔地基梁模型，推导了层状介质中桩单元的形函数矩阵和单元刚度矩阵。
Regular functions are set up and semi-analytical element method is constituted. Displacement functions, stiffness matrices and load matrices are presented in details.
给出了包括位移函数、刚度矩阵和荷载矩阵在内的理论分析过程，从而建立了半解析单元法。
The element stiffness and load matrices are derived by Galerkin's weighted residual method.
应用加权余量法推导出单元刚度矩阵和单元载荷矩阵。
From the variation principle, an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived.
利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
In this paper, the element stiffness and consistent geometric 'stiffness matrices for linearly tapered members with arbitrary cross-section have been derived in explicit forms.
本文推导出了任意截面形状的楔形杆的单元刚度矩阵和单元几何刚度矩阵。
This paper presents a effective method dealing with step elastic supports in structural finite element analysis by inducing elastic support stiffness and structural displacement support matrices.
本文通过引入弹性约束刚度矩阵和结构位移约束列阵，提出了结构有限元分析中处理阶跃型弹性约束的一种有效方法。
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
精化杂交法可以使单元的应变能按假定的应变模式分解，由此得到相应的分解的单元刚度矩阵，而且常常可以推出显式。
By this way the element stiffness matrix can be decomposed into a series of matrices with respect to assumed strain modes.
精化杂交法可以使单元的应变能按假定的应变模式分解，由此得到相应的分解的单元刚度矩阵，而且常常可以推出显式。
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