证明了简化非线性粘弹性本构关系对聚合物一类材料的适用性；
The practicability of simplified nonlinear viscoelastic constitutive relations for a class of materials as polymers is verified.
该文研究了非线性粘弹性土层中粘弹性悬浮桩侧向振动的动力刚度。
Dynamic stiffness for lateral vibration of a viscoelastic floating pile in a nonlinear viscoelastic soil layer is investigated.
研究了轴向周期载荷作用下非线性粘弹性嵌岩桩纵向振动的混沌运动。
The chaotic motion problem for the Longitudinal vibration of a nonlinear viscoelastic pile subjected to an axial periodic force is investigated.
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