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GENERALIZED MAGNETOTHERMOELASTICITY FOR ISOTROPIC MEDIA

机译:各向同性介质的广义磁热弹性

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摘要

The theory of generalized magnetothermoelasticity is applied to a two-dimensional problem of a homogeneous isotropic perfectly conducting thick plate with heat source subjected to a time-dependent compression under constant magnetic and electric intensities. Double integral transforms (Laplace transform for time variable and Fourier transform for space variable) are used, and the resulting equations are written in the form of a vector-matrix differential equation, which was solved by the eigenvalue approach. The inversion of the Laplace transform is carried out numerically by the Zakian method. Finally, numerical computations of the displacement and stress components, temperature distribution, induced magnetic and electric fields have been done and are represented graphically.
机译:广义磁热弹性理论被应用于二维均质各向同性完美导电厚板的二维问题,该厚板的热源在恒定的磁和电强度下受到时间依赖的压缩。使用双重积分变换(用于时间变量的Laplace变换和用于空间变量的傅立叶变换),并将所得方程以矢量矩阵微分方程的形式编写,并通过特征值方法求解。通过Zakian方法以数值方式进行Laplace变换的反演。最后,完成了位移和应力分量,温度分布,感应磁场和电场的数值计算,并用图形表示。

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