The finite element model is expressed by mass and stiffness parameters, which are determined by minimization of weighted Euclidean, norms of orthogonality conditions and characteristics equations.
有限元模型用质量和刚度参数表示，这些参数由正交条件和特征方程的加权欧氏范数取极小值来确定。
The orthogonality conditions can be used to decouple the motion differential equations of the active plate.
应用这些正交性条件，可将主动板的运动微分方程解耦。
Discussion is made about the orthogonality conditions of the modal functions.
并对模态函数的正交性作了相关探讨。
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