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Effect of a Magnetic Field on the Propagation of Waves in a Homogeneous Isotropic Thermoelastic Half-Space
Physical Mesomechanics ( IF 1.8 ) Pub Date : 2020-01-01 , DOI: 10.1134/s1029959920010063
A. M. Abd-Alla , S. M. Abo-Dahab , S. M. Ahmed , M. M. Rashid

The prime objective of the present paper is to analyze the propagation of thermoelastic waves in a homogeneous isotropic elastic semi-infinite space that is exposed to a magnetic field at initial temperature T 0 and whose boundary surface is subjected to the moving heat source and load moving with finite velocity. Temperature and stress distribution occurring due to heating or cooling have been determined using certain boundary conditions. Numerical results indicate that the effect of the magnetic field is very pronounced. Comparison is made with the results predicted by the theory of thermoelasticity in the absence of a magnetic field. Apart from geophysical applications, the consequences of the present study offer a better platform to design a surface wave sensor by means of its established results. The obtained results may be also used for acquiring a better performance in surface acoustic wave devices and waveguides.

中文翻译:

磁场对均匀各向同性热弹性半空间中波传播的影响

本文的主要目的是分析热弹性波在均匀各向同性弹性半无限空间中的传播,该空间暴露在初始温度 T 0 的磁场中,其边界表面受到移动热源和载荷移动的影响。以有限速度。由于加热或冷却而发生的温度和应力分布已使用某些边界条件确定。数值结果表明磁场的影响非常明显。与在没有磁场的情况下由热弹性理论预测的结果进行比较。除了地球物理应用之外,本研究的结果提供了一个更好的平台,通过其既定结果设计表面波传感器。
更新日期:2020-01-01
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