{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T20:49:41Z","timestamp":1774126181947,"version":"3.50.1"},"reference-count":44,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2022,2,18]],"date-time":"2022-02-18T00:00:00Z","timestamp":1645142400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>A systematic study of wave theory in thermoviscoelastic soil is essential for engineering applications such as geophysical exploration. In the present work, the influences of flow-independent viscosity of the soil skeleton and the thermal effect on elastic waves are considered, and the propagation behaviors of body waves in thermoviscoelastic saturated soil are investigated. Firstly, the thermoviscoelastic dynamic coupling model of saturated soil were established by employing the Biot model, the generalized thermoelastic theory, and the Kelvin\u2013Voigt linear viscoelastic model. Secondly, the dispersion equations of body waves in thermoviscoelastic saturated soil were theoretically derived with structural symmetry considered. Finally, the variations of wave velocity and the attenuation coefficient of the body waves with the thermophysical parameters are discussed. The results revealed that the enhancement of the relaxation time of soil caused an increase of wave velocity and the attenuation coefficient of P1, P2, and S waves, and a decrease of the wave velocity and attenuation coefficient of the thermal wave. Different ranges of the permeability coefficient and frequency have different effects on the P1, P2, and S waves. The variation of thermal conductivity and the phase-lags of heat flux and temperature gradient only affect the thermal wave.<\/jats:p>","DOI":"10.3390\/sym14020408","type":"journal-article","created":{"date-parts":[[2022,2,21]],"date-time":"2022-02-21T08:34:47Z","timestamp":1645432487000},"page":"408","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Propagation Prediction of Body Waves in Fluid-Saturated Soils with Flow-Independent Viscosity"],"prefix":"10.3390","volume":"14","author":[{"given":"Bo","family":"Wang","sequence":"first","affiliation":[{"name":"School of Civil Engineering, Longdong University, Qingyang 745000, China"},{"name":"Gansu Province Gully Fixing and Tableland Protection Engineering Research Center, Longdong University, Qingyang 745000, China"}]},{"given":"Xingyuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Longdong University, Qingyang 745000, China"},{"name":"Gansu Province Gully Fixing and Tableland Protection Engineering Research Center, Longdong University, Qingyang 745000, China"}]},{"given":"Bo","family":"Sun","sequence":"additional","affiliation":[{"name":"School of Civil Engineering, Longdong University, Qingyang 745000, China"},{"name":"Gansu Province Gully Fixing and Tableland Protection Engineering Research Center, Longdong University, Qingyang 745000, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,2,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1121\/1.1908239","article-title":"Theory of Propagation of Elastic Waves in a Fluid-Saturated Porous Solid. 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