最后通过连接子结构刚度矩阵建立的平衡方程求解相应的刚度参数。
The stiffness parameters could be calculated from the solution of an equilibrium equation, through the stiffness matrix of the joint substructure.
本文编制出用共轭斜量法解有限元方程组的程序，主要改进了已有的结构刚度矩阵的存储方式。
A program with improved storage mode of structure stiffness matrix for such a solution is presented.
由结构刚度矩阵行列式值为零的失稳条件导出结构失稳特征方程，从而精确地确定系统临界力值。
The precise critical force of a system can be deduced from the fact that the determinant of stiffness matrix of the system is equal to zero in the critical condition.
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