On a multi-phase lag model of three-dimensional coupled thermoelasticity in an anisotropic half-space

The present work is about a refined multi-phase lag model of generalized thermoelasticity in an anisotropic half-space medium. The normal mode analysis technique is used to obtain vector matrix differential equation, which is then solved by the eigenvalue approach. Some earlier results, such as CTE,...

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Bibliographic Details
Published in:Waves in random and complex media 2022-07, Vol.ahead-of-print (ahead-of-print), p.1-27
Main Authors: Sardar, Sumit Sovan, Ghosh, Debkumar, Das, Bappa, Lahiri, Abhijit
Format: Article
Language:English
Subjects:
Eigenvalue approach
generalized thermoelasticity
normal mode analysis and vector-matrix differential equation
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Summary:The present work is about a refined multi-phase lag model of generalized thermoelasticity in an anisotropic half-space medium. The normal mode analysis technique is used to obtain vector matrix differential equation, which is then solved by the eigenvalue approach. Some earlier results, such as CTE, Lord Shulman (LS), Green-Nagdhi (GN)-II, and SPL, are deduced from the present investigation. Numerical computations for thermal strain and stress component,displacement components, and temperature distribution are calculated in a tabulated form and graphically to show the accuracy of the present model when mechanical and thermal loads are applied on the boundary.
ISSN:1745-5030
1745-5049
DOI:10.1080/17455030.2022.2094025