Consistent mass matrix and lumped mass matrixes are the common types of mass matrixes in structural dynamic analysis.
一致质量矩阵与集中质量矩阵是结构动力分析中常用的质量矩阵形式。
The felting relation about the reinforce steel bar and reinforce concrete is simulated and stiffness matrixes and mass matrixes of every RCB are presented in the model.
模型针对钢筋和混凝土两种性质不同的材料，模拟了它们之间的粘结关系；给出上述各种梁的刚度矩阵和质量矩阵；
The felting relation about the reinforce steel bar and reinforce concrete is simulated and stiffness matrixes and mass matrixes of every RCB are presented in the model.
模型针对钢筋和混凝土两种性质不同的材料，模拟了它们之间的粘结关系；给出上述各种梁的刚度矩阵和质量矩阵；
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