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耦合横向和微旋转波的界面反射与折射

Keywords: 广义微极磁热弹性,耦合横向和微旋转波,反射,折射,振幅比,热松弛时间

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Abstract:

基于广义微极磁热弹模型讨论了两微极弹性固体介质平面界面上耦合横向和微旋转波的反射与折射问题.利用两微极弹性固体平面分界面上位移和应力连续条件,建立了反射与折射波振幅的线性系统方程.数值计算给出各类反射、折射波振幅随耦合横向和微旋转波入射角的变化关系曲线.研究了热松弛时间对反射和折射热波、纵向位移波、耦合横向和微旋转波的振幅比的影响.结果表明,热松弛时间对热波、纵向位移波影响显著,而对耦合横向和微旋转波影响很小.

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