Techno Press
Techno Press

Coupled Systems Mechanics
  Volume 14, Number 6, December 2025 , pages 551-573
DOI: https://doi.org/10.12989/csm.2026.14.6.551
 

Thermoelastic deformation of a double-porous half-space medium with three-phase-lag model taking fractional derivatives
Aseem Miglani, Rajneesh Kumar, Amarjyot Kaur and Monika Kalra

 
Abstract
    A problem of deformation of a double porous thermoelastic half space medium with fractional order heat transfer having Three-Phase-Lag (TPL) has been considered and discussed, due to the application of a thermomechanical force. A transformed procedure is taken to obtain the transformed form of result of the formulated problem. Inverse transformation of the solution is performed through a computer program for a specific model. The numerical solutions are drawn graphically for different cases. The effect of Three-Phase-Lag on Dual-Phase-Lag and the effect of fractional order and depth parameters on deformation is observed.
 
Key Words
    double-porosity; fractional order; heat transfer; inversion; thermoelastic; Three-Phase-Lag; transforms
 
Address
Aseem Miglani: Department of Mathematics, Chaudhary Devi Lal University, Sirsa-125055, Haryana, India
Rajneesh Kumar: Department of Mathematics, Kurukshetra University, Kurukshetra-136119, Haryana, India
Amarjyot Kaur: Department of Mathematics, Chaudhary Devi Lal University, Sirsa-125055, Haryana, India
Monika Kalra: Department of Mathematics, Chandigarh University, Mohali-140113, Punjab, India
 

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