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The elastic wave motions for a photothermal medium of a dual-phase-lag model with an internal heat source and gravitational field

2016/02/09 by Kh. Lotfy
Engineering · #Composite Structure Analysis and Optimization #Numerical methods in engineering #Thermoelastic and Magnetoelastic Phenomena

paper · doi:10.1139/cjp-2015-0782

openalex publication_date 2016/02/09 · crossref created 2016/02/09 · crossref issued 2016/04/01 · crossref published 2016/04/01 · crossref published-print 2016/04/01 · crossref deposited 2025/08/06 · openalex created_date 2025/10/10 · crossref indexed 2026/07/28 · openalex updated_date 2026/07/29

Abstract

In this work, the dual-phase-lag (DPL) heat transfer model is introduced to study the problem of an isotropic generalized thermoelastic medium with an internal heat source that is moving with a constant speed. Thermal loading at the free surface of a semi-infinite semiconconducting medium coupled plasma waves with the effect of mechanical force during a photothermal process to study the effect of a gravity field. Harmonic wave analysis is used to obtain exact expressions for the considered variables, also the carrier density coefficients were obtained analytically. The variations of the considered variables through the horizontal distance are illustrated graphically under the effects of several parameters based on the DPL model. The results are discussed and depicted graphically.

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