Abstract
In this work the magneto-thermoelastic problem of a semi-infinite body with voids and temperature-dependent material properties placed in a transverse magnetic field is investigated in the context of different theories of generalized thermoelasticity. The upper surface of the body is subjected to a zonal time-dependent heat shock. The solution is obtained by solving finite element governing equations of the problem. The results, including temperature, stresses, displacements, the change in volume fraction field, induced magnetic field and induced electric field are presented graphically. Comparisons are made in the results obtained under different theories of generalized thermoelasticity and three forms of temperature-dependent material properties (absolute temperature-dependent, reference temperature-dependent, and temperature-independent). Finally the voids effects in the theory of thermoelasticity are presented graphically.
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