Hygro-photo-thermoelastic solid cylinder under moisture and thermal diffusivity with Moore-Gibson-Thompson theory

Abstract

A new model for the simulation of moisture and thermal diffusivity in a semiconducting solid cylinder according to the Moore-Gibson-Thompson-Photo-Thermal (MGTPT) theory of thermoelasticity has recently been presented. The purpose of this study is to investigate the photo-thermoelasticity of an infinite semiconducting solid cylinder rotating with the boundary surface being subjected to a laser pulse with variable heat flux. For this purpose, the mathematical model is solved by using the Laplace transform technique in the transformed domain. The numerical inversion of the mathematical model yields all the physical parameters in the physical domain, such as displacement components, thermal stresses, and carrier densities. To clearly illustrate the effects of reference moisture, a graphic representation of all these parameters is generated by using the MATLAB software. The results of this study will be useful in further enhancing the behavior of semiconductors under these dynamic loading conditions and hence, improve their performance in various applications.Thus, the model provides an effective way to model the moisture and thermal diffusivities of the solid cylinder to better understand phenomena occurring in a broad range of semiconductor devices and more effectively design them.