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利用边界条件推导出SH波在一维固-固声子晶体中的转移矩阵,得出一维固-固无限周期声子晶体中SH波的色散关系.通过建立一维固-固无限周期声子晶体的谐振腔模型并利用共振条件得出SH波的全反射隧穿的波长公式.利用波长公式研究了SH波全反射隧穿的波长变化规律,其结果与色散法一致.解释了一维固-固无限周期声子晶体中SH波的全反射隧穿效应产生的原因.
The transition matrix of SH wave in one-dimensional solid-solid phononic crystals is deduced from the boundary conditions, and the dispersion relation of SH wave in one-dimensional solid-solid infinite-period phononic crystals is obtained. By establishing a one-dimensional solid-solid infinite periodic sound Crystal cavity model and resonance conditions were used to derive the wavelength formula of total reflection tunneling of SH wave.The wavelength variation law of total reflection tunneling of SH wave was studied by the wavelength formula.The result is consistent with the dispersion method.It is explained that one- The reason of total reflection tunneling effect of SH wave in solid - solid infinite periodic phononic crystals.