Stiffness matrix and equivalent nodal force formula, which take into account of the influence of shear lag, are derived subsequently on the basis of the definition of stiffness coefficient.
以其解析式作为形函数，利用刚度系数的定义，推导了考虑剪滞影响的箱形梁单元刚度矩阵及等效结点力公式。
Then the damping effect of elastic restraint is verified and the influence of the damping coefficient and the spring stiffness on the damping effect is discussed.
验证了弹性约束对拉索振动的减振效果，讨论了阻尼系数和弹簧刚度对减振效果的影响；
The influence of the mesh stiffness of each stage to the dynamic load sharing coefficient has been discussed.
分析了两级齿轮啮合刚度对系统动力学均载的影响，比较了各级齿轮啮合刚度对系统均载系数影响的大小。
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