In this paper, the stiffness matrix has been obtained by the direct stiffness method, and the mass matrix, by the condensation mass model.
本文采用直接刚度法得到刚度矩阵，用聚缩质量模型得到质量矩阵。
In this paper, the stiffness matrix has been obtained by the direct stiffness method, and the mass matrix, by the condensation mass model.
本文采用直接刚度法得到刚度矩阵，用聚缩质量模型得到质量矩阵。
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