The corresponding generalized stiffness matrix depends on both the stiffness characteristics and the geometrical constraint characteristics of the system.
相应的广义刚度矩阵既决定于体系的刚度特性,又决定于几何约束特性。
Then, the generalized stiffness matrix and load vector in the equilibrium equations are formulated by using the virtual work principle, and the numerical integration method is discussed.
然后,由虚功原理推导出了整体平衡方程中的广义刚度矩阵和荷载向量的具体表达式,并对其数值积分方法进行了讨论。
Then, those useful generalized nodes are selected, and the generalized stiffness matrix is enlarged. A more accurate numerical solution can be obtained after the new equilibrium equations are solved.
然后引入作用较大的高阶广义节点形函数,扩充广义刚度矩阵,并求解新的整体平衡方程,得到更高精度的数值解。
The complex modal analysis method is generalized to the cases in which stiffness matrix may be singular and mass matrix, damping matrix and stiffness may be nonsymmetric.
把复模态分析法推广到刚度矩阵可以奇导且质量矩阵、阻尼矩阵和刚度矩阵均不必为对称的情形。
Finally a displacement generalized eigenvalue equation is obtained, in which the stiffness matrix is symmetric and positively definite.
最后得到一个矩阵型的位移广义本征值方程,刚度矩阵对称、正定。
Finally a displacement generalized eigenvalue equation is obtained, in which the stiffness matrix is symmetric and positively definite.
最后得到一个矩阵型的位移广义本征值方程,刚度矩阵对称、正定。
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