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中文核心期刊

关于压电介质的守恒方程和路径无关积分

THE CONSERVATION LAWSAND PATH-INDEPENDENT INTEGRALS FOR PIEZOELECTRIC MEDIA

  • 摘要: 借鉴分析动力学中的Jacobi积分和循环积分概念,以及电磁场理论中的能量矩概念,导出了压电介质在静态场中的守恒方程形式,由这些守恒方程即可得到在位错、断裂力学和其他缺陷理论中应用广泛的路径无关积分。

     

    Abstract: Motivated by concepts of Jacobi integral and cyclic integral in analytical me-chanics and energy-momentum tensor in electro-magntic field,the conservation laws forpiezoelectric materials were derived, from which the path independent integrals can be ob-tained.

     

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