研究了弹性结点有限元方法，详细导出了弹性结点杆件的单元刚度矩阵和常见荷载列阵。
This paper introduces a finite element method of the plane trusses with elastic node. The element stiffness matrix and loading matrix are calculated in detail.
阐明了单元刚度矩阵以及在上层梁单元作用竖向集中荷载或分布荷载下单元节点荷载列阵的形成。
The formulation for element stiffness matrixs, and vectors of nodal of element with the upper beam element subjected to either vertical concentrated load or distributed loads is illustrated.
引入偏心空间薄壁梁单元及空间组合索单元，导出弹性刚度阵、几何刚度阵、质量阵。拉索张力随垂度变化的非线性由等效几何刚度计入。
Having introduced the eccentric space thin-walled girder and the space combined cable elements, the author has derived element elastic stiffness matrix, geometric stiffness and masse matrix.
作者推导了具有转动弹性连接的杆单元刚度矩阵和荷载转移矩阵，其中考虑了横向剪切效应。通常的两端铰接、两端刚接或一端铰接、一端刚接的杆元刚度矩阵只是作者所推导的刚度阵的一些特例。
In this paper, the stiffness matrix and the loading transfer matrix of frame element with turn elastic connections is deduced, the cross shear effect has been taken into consideration simultaneously.
作者推导了具有转动弹性连接的杆单元刚度矩阵和荷载转移矩阵，其中考虑了横向剪切效应。通常的两端铰接、两端刚接或一端铰接、一端刚接的杆元刚度矩阵只是作者所推导的刚度阵的一些特例。
In this paper, the stiffness matrix and the loading transfer matrix of frame element with turn elastic connections is deduced, the cross shear effect has been taken into consideration simultaneously.
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