论文标题
在非线性弹性固体棒中的冲击波演变为应变孤立波
Shock Wave Evolution into Strain Solitary Wave in Nonlinearly Elastic Solid Bar
论文作者
论文摘要
在本文中,我们详细介绍了在由聚苯乙烯制成的非线性弹性固体棒中进行冲击波转化为块状应变孤立波的过程。基于钢筋中平面弹性波的描述传播的理论模型是开发出材料非线性和粘度的原因的。在开发模型的基础上进行的数值建模,没有考虑粘度,表明在适当的说明条形材料的粘弹性特性的情况下形成了长期稳定的干扰。
In this paper we present thorough experimental observation of the process of shock wave transformation into a bulk strain solitary wave in a nonlinearly elastic solid bar made of polystyrene. A theoretical model based on the describing propagation of a plane elastic wave in a bar is developed with account made for material nonlinearity and viscosity. Numerical modeling performed on the base of the developed model with and without regard to viscosity demonstrated formation of a long stable disturbance at proper account made for viscoelastic properties of the bar material.