This paper analyzes the nonlinear deformational process of the envelop structure and the cause of stiffness matrix singularity in details.
本文详细地分析了囊体结构的非线性变形过程及刚度矩阵出现奇异的原因;
The method for handling the singularity of the self-impedance element in MoM matrix is also presented.
对矩量法矩阵中自阻抗元素的奇异性处理方法也作了详细介绍。
According to the Jacobian matrix of mechanism, the singularity of the mechanism was analyzed.
又根据机构的雅克比矩阵,对机构的奇异位形进行了分析。
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