The treatment of mass matrix, the stiff matrix, the damp matrix and the dynamic model of cable-stayed Bridges in the analysis concluded in this research.
讨论了大跨度斜拉桥动力分析中质量矩阵、刚度矩阵和阻尼矩阵的处理方法以及斜拉桥动力分析模型的建立方法。
Fasteners are widely used for agricultural vehicles. The fasteners based on steel matrix are easy to corrode in damp environment and cause hidden trouble to safety.
农用车紧固件市场需求量很大，钢铁基体的紧固件在潮湿环境中极易锈蚀，造成安全隐患。
Because the stiffness and damp matrices are spare and unbalance, especially the stiffness matrix is singular, the solution for the vibration equation becomes very difficult to be obtained.
系统振动方程的自由度多达几百，阻尼阵不为零，因此刚度阵的奇异使方程的求解更加困难。
Because the stiffness and damp matrices are spare and unbalance, especially the stiffness matrix is singular, the solution for the vibration equation becomes very difficult to be obtained.
系统振动方程的自由度多达几百，阻尼阵不为零，因此刚度阵的奇异使方程的求解更加困难。
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