 | | Mechanics of Solids
A Journal of Russian Academy of Sciences | | Founded
in January 1966
Issued 6 times a year
Print ISSN 0025-6544
Online ISSN 1934-7936 |
Archive of Issues
| Total articles in the database: | | 13217 |
| In Russian (Èçâ. ÐÀÍ. ÌÒÒ): | | 8152
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| In English (Mech. Solids): | | 5065 |
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| R. Kumar, M. Marin, and S. Vlase, "The Effect of Viscosity on Energy Ratios in Elastic Materials with Piezoelectric Properties, Considering Two Temperature Levels and a Three-Phase Lag," Mech. Solids. 60 (3), 2033-2047 (2025) |
| Year |
2025 |
Volume |
60 |
Number |
3 |
Pages |
2033-2047 |
| DOI |
10.1134/S0025654425600631 |
| Title |
The Effect of Viscosity on Energy Ratios in Elastic Materials with Piezoelectric Properties, Considering Two Temperature Levels and a Three-Phase Lag |
| Author(s) |
R. Kumar (Department of Mathematics, Kurukshetra University, Kurukshetra, Haryana, 136119 India, rajneesh_kuk@rediffmail.com)
M. Marin (Department of Mathematics and Computer Science, Transilvania University of Brasov, Brasov, 500036 Romania; Academy of Romanian Scientists, Bucharest, 050045 Romania, m.marin@unitbv.ro)
S. Vlase (Department of Mechanical Engineering, Transilvania University of Brasov, Brasov, 500036 Romania; Institute of Solid Mechanics of Romanian Academy, Bucharest, Romania, svlase@unitbv.ro) |
| Abstract |
This study presents a theoretical model that looks at wave transmission between two types
of materials. The first material, called elastic half space (EH), is labelled M1. The second material,
which is more complex and has properties like different temperatures and phase lags, is labelled M2
and is known as transversely isotropic piezo-visco-thermoelastic with two-temperature and three-phase-lag (TPVH). A plane P or SV wave comes from medium M1, causing two mirrored waves and
four nearly transmitted waves. Magnitude ratios are found in closed form with suitable welded boundary of the media. These magnitude ratios are affected by different wave features and the properties of
the materials. These known ratios are used to find the energy ratios of different mirrored and transmitted waves. The measured energy ratios are shown in pictures to help to understand how viscosity affects
a specific model. Here are a few important cases provided. This issue is very important in areas like hydrology and earthquake engineering. |
| Keywords |
Transversely isotropic, Piezo-thermoelastic, Three-phase-lags, Viscosity, Energy Ratios |
| Received |
09 February 2025 | Revised |
13 April 2025 | Accepted |
13 April 2025 |
| Link to Fulltext |
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