Dual-phase-lag model on microstretch thermoelastic medium with diffusion under the influence of gravity and laser pulse

被引：10

作者：

Othman, Mohamed I. A. ^{[1
]}

Abd-Elaziz, Elsayed M. ^{[2
]}

Mohamed, Ibrahim E. A. ^{[1
]}

机构：

[1] Zagazig Univ, Fac Sci, Dept Math, POB 44519, Zagazig, Egypt

[2] Zagazig Higher Inst Engn & Tech, Minist Higher Educ, Zagazig, Egypt

来源：

STRUCTURAL ENGINEERING AND MECHANICS | 2020年 / 75卷 / 02期

关键词：

gravity; microstretch; dual-phase-lag; diffusion; laser pulse; BOUNDARY-VALUE-PROBLEM; WAVES; PLATE; THERMODIFFUSION; 2-TEMPERATURE; PROPAGATION; FIELD;

D O I：

10.12989/sem.2020.75.2.133

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

This investigation is to study the effect of gravitational field and diffusion on a microstretch thermoelastic medium heating by a non-Gaussian laser beam. The problem was studied in the context of the dual-phase-lag model. The normal mode analysis is used to solve the problem to obtain the exact expressions for the non-dimensional displacement components, the microrotation, the stresses, and the temperature distribution. The effect of time parameter, heat flux parameter and gravity response of three theories of thermoelasticity i.e. dual-phase-lag model (DPL), Lord and Shulman theory (L-S) and coupled theory (CT) on these quantities have been depicted graphically for a particular model.

引用

页码：133 / 144

页数：12

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