Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/app12125914
Keywords
poro-thermo-elastic media; finite element method; three-phase-lag model; porosity
Categories
Funding
- Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah, Saudi Arabia [KEP-77-130-42]
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The main aim of this paper is to study the impact of delay times in a poro-elastic medium using the finite element approach and the three-phase lag thermo-elastic theory. The governing equations were obtained for a three-phase lag model with six delay times. Consideration was given to a one-dimensional application of a poro-elastic half-space. The numerical results were presented in graphical form and compared the differences between the three-phase delay (TPL) and the Green-Naghdi with and without energy dissipation (GNIII) models.
The main aim of the paper is to study the impact of delay times in a poro-elastic medium using the finite element approach and the three-phase lag thermo-elastic theory. The governing equations were obtained for a three-phase lag model with six delay times. Consideration was given to a one-dimensional application of a poro-elastic half-space. Because of the complex form of the basic equations, the finite element approach was used to solve this problem. Asymmetric and symmetric tensors were used to represent all of the physical quantities. The numerical results were presented in graphical form. The effects of porosity and delays were introduced. Finally, the results were plotted to show the difference between the three-phase delay (TPL) and the Green-Naghdi with and without energy dissipation (GNIII) models.
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