压电压磁复合材料椭圆夹杂界面开裂的电磁弹性耦合解

The complex potential expression of an infinite piezoelectric/piezomagnetic materials containing the interfacial cracking problems of an elliptic inclusions

目的讨论反平面剪切和平面内电场磁场共同作用下,压电压磁复合材料椭圆夹杂界面开裂的耦合解的表达式。方法利用复变保角变换和级数展开法。结果/结论给出了压电压磁弹性复合材料基体的复式表达式,并为计算受反平面剪切和平面内电场、磁场共同作用下的压电压磁复合材料能量释放率提供依据。

Aim An infinite piezoelectric/piezomagnetic materials containing the interfacial cracking problems of an ellitic inclusions under antiplane line force and inplane line charge are investigated. Methods Conformal mapping and series expansion are used. Results/Conclusion Their complex potential expressions of matrix of piezoelectric/piezomagnetic composites are derived,and the evidence for energy release rate of piezoelectric/piezomagnetic composites under the combined action of antiplane shear and inplane electrical field and magnetic field is provided.