针对各种不同的结构连接形式和振动波形，分别推导了各种节点单元矩阵的表达式。
The joint element matrix equations were developed for various structural configurations and wave types.
在力学分析的基础上，确定了平面壳体单元的刚度矩阵，并根据载荷情况求出节点位移。
On the basis of mechanical analysis, the rigidity matrix of flat shell element has been determined and the displacement of joint has been found out according to the situation of loading.
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.
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