varied stiffness spring 变刚度弹簧
Combined with element model with varied stiffness in different regions, nonlinear seismic response of shear wall with large or small opening holes was analyzed.
该模型可直接用于小开洞剪力墙的分析，结合分段变刚度单元，分析了大、小开洞剪力墙的非线性地震反应。
A new model of rub impact force considering varied rotating speed was derived and the rub impact response of a rotor system with initial bending and asymmetric stiffness was analyzed.
建立了考虑转子转速的新的碰磨力模型，分析了具有初始弯曲和刚度不对称转子系统的碰磨响应，得到了系统参数对系统分叉和混沌响应的影响。
The MTMD in the AMTMD is keeped with constant stiffness and damping but varied with the mass.
AMTMD中的MTMD保持相同的刚度和阻尼系数但质量变化。
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