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中文摘要：
研究了无限长压电材料条中共线并与材料界面平行的双裂纹受反平面剪切冲击作用的问题．假设裂纹面上的边界条件为电渗透型的，采用积分变换和对偶积分方程方法，获得了裂纹尖端应力场．数值结果显示应力强度因子与裂纹的几何尺寸、压电材料长条宽度及材料性质有关．
英文摘要：
The problem of two collinear lying at the mid-plane of a piezoelectric strip subjected to anti-plane shear impact is studied. It is assumed that boundary conditions are permeable along the crack surface. By using integral transforms and dual integral equations, the local stress field is obtained. Numerical results show that stress intensity factor relates to crack geometrical size, the width of the piezoelectric strip and the character of the material.
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