THERMODYNAMIC GENERALIZATION OF THE THEORY OF THERMOELASTIC DIFFUSION FOR A MEDIUM WITH CHANGING DENSITY
Author details
- Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russian Federation
Abstract
The theory of thermoelastic diffusion describes the interaction between temperature and concentration fields in deformable solids. Most of the known works devoted to the theory of thermo- elastic diffusion are constructed by analogy with the theory of elasticity, including generalizations to media with relaxation of heat and mass. In this case, even when taking into account the depend- ences of properties on temperature and composition, the authors use linear constitutive relations linking the state parameters and physical variables that follow from thermodynamics in the appro- imation of constant density of the medium. This paper presents a generalization of the basic equations of the theory of thermoelastic diffusion for a medium whose density depends on the main state variables. This is taken into account when deriving the constitutive relations. The result leads to the system of generalized state equations in differential form, the coefficient matrix of which for the variable density loses symmetry. The derivation of relations is based on both the use of the Helmholtz potential and the use of the Gibbs energy as a potential. New mechanisms of heat and mass transfer are discovered. For example, the transfer of a component under the action of a deformation gradient is possible due to two "mechanisms". The first of them is connected with the difference in individual properties of the components (their molar volumes, through which the co- efficients of concentration expansion are calculated). The second mechanism of transfer can be called the work of stresses along the deformation gradients. Moreover, in the case of an isotropic body, not only the invariants of the stress and deformation tensors but also their shear components participate in the interaction of fields of different nature. The equations obtained in different ways are outwardly different. However, in any case, they contain all the discovered interaction mecha- nisms. As in classical theories, the equivalence of the equations can be shown using the standard apparatus of thermodynamics of irreversible processes. In limiting cases, the formulas coincide with those obtained earlier.
Keywords
ТЕРМОДИНАМИЧЕСКОЕ ОБОБЩЕНИЕ ТЕОРИИ ТЕРМОУПРУГОЙ ДИФФУЗИИ ДЛЯ СРЕДЫ С ИЗМЕНЯЮЩЕЙСЯ ПЛОТНОСТЬЮ
Теория термоупругой диффузии описывает взаимодействие между полями температуры и концентрации в деформируемых твердых телах. Большинство известных работ по теории термоупругой диффузии построено по аналогии с теорией упругости, включая обобщения на среды с релаксацией тепла и массы. При этом даже при учете зависимостей свойств от температуры и состава авторы используют линейные определяющие соотношения, связывающие параметры состояния и физические переменные, которые следуют из термодинамики в приближении неизменной плотности среды. В настоящей работе представлено обобщение основных уравнений теории термоупругой диффузии для среды, плотность которой зависит от основных переменных состояния. Это учитывается при выводе определяющих соотношений. В результате получается система обобщенных уравнений состояния в дифференциальной форме, матрица коэффициентов которой для переменной плотности теряет симметрию. Представлен вывод соотношений, основанный как на использовании потенциала Гельмгольца, так и на применении в качестве потенциала энергии Гиббса. Обнаруживаются новые механизмы переноса тепла и массы. Например, перенос компонента под действием деформации давления термодинамики позволяет снять с различения индивидуальных свойств компонентов (их мольных объемов, через которые рассчитываются коэффициенты концентрационного расширения). Второй механизм переноса можно назвать работой напряжений вдоль градиентов деформаций. Более того, в случае изотропного тела во взаимодействии полей разной природы участвуют не только инварианты тензоров напряжений и деформаций, но их сдвиговые компоненты. Уравнения, получаемые разными способами, внешне различны. Однако в любом случае они содержат все обнаруженные механизмы взаимодействия. Как и в классических теориях, эквивалентность уравнений можно показать, используя стандартный аппарат термодинамики необратимых процессов. В предельных случаях формулы совпадают с полученными ранее.
Ключевые слова
Bibliography
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- 28.Mahmoud W., Ghale A. F., Rawy E. K., Hassan H. A. Z., Mosharaf A. A. Numerical solution to a nonlinear, one-dimensional problem of anisotropic thermoelasticity with volume force and heat supply in a half-space: interaction of displacements // Arch Appl Mech. – 2015. V. 85. pp. 433–454. https://doi.org/10.1007/s00419-014-0921-3 Scholar
- 29.Parfenova E.S., Knyazeva A.G. The chemical interaction charged particles with target material under surface treatment of metal with particle beam // Zeitschrift fur angewandte mathematik und mechanics. – 2022. –V. 102, No 8. – Article number e202200083. https://doi.org/10.1002/zamm.202200083 Scholar
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- 37.Svelin R.A., Thermodynamics of solid state (in Russian). – M.: Metallurgiya, 1968. – 316 p. Scholar
- 38.Gurov K.P., Kartashkin B.A., Ugaste Yu. E. Mutual diffusion in multiphase systems. – M.: Nauka, – 1981. – 350. Scholar
- 39.Eremeev V.S. Diffusion and stresses. – M: Energoatomizdat, 1984. – 180 p. Scholar
- 40.Knyazeva A.G., Demidov V.N. Transfer coefficients for three component deformable alloy (In Russian) // Vestnik Perm GTU. Mechanika. – 2011. – № 3. – pp.84-99. Scholar
- 41.Povstenko Y.Z. From the Chemical Potential Tensor and Concentration Tensor to Nonlocal Continuum Theories // J. of Math. Sci. – 2020. – V. 249. – pp. 389-403. https://doi.org/10.1007/s10958-020-04949-0 Scholar
- 42.Knyazeva A.G. Generalization of . Generalizations of the Clapeyron-Clausius equation in a coupled thermomechanical model // J. of Applied mechanics and technical Physics. – 1999. – V. 40, № 6. – pp. 103-111. https://doi.org/10.1007/BF02469178. Scholar
- 1.Lord H., Shulman Y. A generalized dynamical theory of thermoelasticity, // Journal of The Mechanics and Physics of Solids. – 1967. – V. 15. – pp. 299-309. https://doi.org/10.1016/0022-5096(67)90024-5 Scholar
- 2.Nowacki W. Dynamical problems of thermodiffusion in solids I / W. Nowacki // Bulletin of the Polish Academy of Sciences - Technical Sciences. – 1974. – V. 22. – pp. 55-64. Scholar
- 3.Darinskii B.M., Shermergo, T.D. On the theory of diffusion relaxation in polycrystals // J Appl Mech Tech Phys. – 1965. – No 6. – pp. 54–57. https://doi.org/10.1007/BF00913383 Scholar
- 4.Podstrigach, Y.S. Diffusion theory of the inelasticity of metals // J Appl Mech Tech Phys. 1965. No2. P. 56–60. https://doi.org/10.1007/BF00915613 Scholar
- 5.Lyubov B. Ya. and Fastov N. S., Effect of concentrational stresses on diffusion processes in solid solutions // Dokl. Akad. Nauk SSSR. – 1952. – No. 5. – pp. 939–946. Scholar
- 6.Fastov N.S. On thermodynamics of irreversible processes in elastic deformed media (in Russian) // Problemy metallovedeniya I fisiki metallov. – 1958. – No 5. – pp. 550–576. Scholar
- 7.Sherief H.H., Hamza F., Saleh H. The theory of generalized thermoelastic diffusion // International Journal of Engineering Science. – 2004. – V. 42. – pp. 591-608. https://doi.org/10.1016/j.ijeng- sci.2003.05.00 Scholar
- 8.Paul K., Mukhopadhyay B. A novel mathematical model on generalized thermoelastic diffusion theory // Journal of Thermal Stresses. – 2023. V. 46, Is.4. – pp. 253-275. https://doi.org/10.1080/01495739.2023.2176385 Scholar
- 9.Aouadi M. Generalized theory of thermoelastic diffusion for anisotropic media / M. Aouadi // Journal of Thermal Stresses. – 2008. – V. 31, No 3. – pp. 270-285. https://doi.org/10.1080/01495730701876742 Scholar
- 10.Singh B. On theory of generalized thermoelastic solids with voids and diffusion // European Journal of Mechanics A/Solids 30. – 2011. P. 976-982. https://doi.org/10.1016/j.euromechsol.2011.06.007 Scholar
- 11.Aouadi M. The coupled theory of micropolar thermoelastic diffusion // Acta Mechanica – 2009. – V. 208, No 3. – pp.181-203. https://doi.org/10.1007/s00707-008-0137-0 Scholar
- 12.Copetti M.I.M., Aouadi M.A quasi-static contact problem in thermoviscoelastic diffusion theory // Applied Numerical Mathematics. – 2016. – V. 109. – pp. 157–183. http://dx.doi.org/10.1016/j.apnum.2016.06.011 Scholar
- 13.Kaspar L., and Anand L. A Chemo-Thermo-Mechanically Coupled Theory for Elastic–viscoplastic Deformation, Diffusion, and Volumetric Swelling Due to a Chemical Reaction // International Journal of Plasticity. –2011. – V. 27, No. 9. pp. 1409-143.1 http://dx.doi.org/10.1016/j.ijplas.2011.04.001 Scholar
- 14.Kansal T. Generalized theory of thermoelastic diffusion with double porosity // Arch. Mech. – 2018. – V. 70, No 3. – pp.241–268. Scholar
- 15.Abou-Dina M.S., El Dhab A.R., Ghale A.F., Rawy E.K. A model of nonlinear thermo-electroelasticity in extended thermodynamics // International Journal of Engineering Science. – 2017. – V. 119. – pp. 29–39. http://dx.doi.org/10.1016/j.ijeng- sci.2017.06.010 Scholar
- 16.Abo-Dahab S.M., Abd-Alla A.M., Kilany A.A.Electro- magnetic field in fiber-reinforced micropolar thermoelastic medium using four models // Journal of Ocean Engineering and Science. –2020. – V. 5. – pp. 230–248. https://doi.org/10.1016/j.joes.2019.12.003 Scholar
- 17.Abouelregal A.E. Generalized mathematical novel model of thermoelastic diffusion with four phase lags and higher-order time derivative // Eur. Phys. J. Plus. – 2020. – V. 135. – Article number 263 https://doi.org/10.1140/epjp/s13360-020-00282-2 Scholar
- 18.Guo Ch.L.H., Tian X., He T. eneralized thermoelastic diffusion problems with fractional order strain // European Journal of Mechanics / A Solids. –.2019. V. 78. –Article number 103827. https://doi.org/10.1016/j.euromechsol.2019.103827 Scholar
- 19.Li Ch., Liu J., He T., Fractional-order rate-dependent thermoelastic diffusion theory based on new definitions of fractional derivatives with non-singular kernels and the associated structural transient dynamic responses analysis of sandwich-like composite laminates, // Communications in Nonlinear Science and Numerical Simulation. –2024. - V. 132. –Article number 107896. https://doi.org/10.1016/j.cnsns.2024.107896 Scholar
- 20.Aouadi M., Copetti M.I.M. A dynamic contact problem for a thermoelastic diffusion beam with the rotational inertia // AppliedNumericalMathematics. – 2018. – V. 126. – pp. 113–137. https://doi.org/10.1016/j.apnum.2017.12.007 Scholar
- 21.He T., Li Ch., Shi Sh., Ma Yo. A two-dimensional generalized thermoelastic diffusion problem for a half-space // European Journal of Mechanics A/Solids. – 2015. – V. 52. – pp. 37-43. http://dx.doi.org/10.1016/j.euromechsol.2015.01.002 Scholar
- 22.Miglani A., Kaushal S. Wave Propagation in Micropolar Thermoelastic Diffusion Medium // Journal of Solid Mechanics. –2012. – V. 4, No. 2. – pp 195-208. Scholar
- 23.Yadav A.K. Thermoelastic waves in a fractional-order initially stressed micropolar diffusive porous medium // Journal of Ocean Engineering and Science. – 2021. – V. 6. – pp. 376–388. https://doi.org/10.1016/j.joes.2021.04.001 Scholar
- 24.Davydov S.A., Zemskov A.V. Thermoelastic diffusion phase-lag model for a layer with internal heat and mass sources // International Journal of Heat and Mass Transfer. – 2022. – V. 183. – Part C. – Article number 122213. https://doi.org/10.1016/j.ijheat- masstransfer.2021.122213 Scholar
- 25.Zverev N.A., Zemskov A.V. Modeling of non-stationary mechanodiffusion processes in hollow cylinder with regard to relaxation diffusion fluxes (in Russian) // Matematicheskoe modelirovanie. – 2023. – V. 35, № 1. – pp. 95-112. https://doi.org/10.20948/mm-2023-01-07 Scholar
- 26.Li Ch., Guo H., Tian X., He T. Time-domain finite element method to generalized diffusion-elasticity problems with the concentration-dependent elastic constants and the diffusivity // Applied Mathematical Modelling. – 2020. – V. 87. – pp. 55–76. https://doi.org/10.1016/j.apm.2020.05.004 Scholar
- 27.Madureira R.L.R., A. Rincon M.A., Aouadi M. Numerical analysis for a thermoelastic diffusion problem in moving boundary // Mathematics and Computers in Simulation. – 2021. – V. 187. – pp. 630–655. https://doi.org/10.1016/j.matcom.2021.03.032 Scholar
- 28.Mahmoud W., Ghale A. F., Rawy E. K., Hassan H. A. Z., Mosharaf A. A. Numerical solution to a nonlinear, one-dimensional problem of anisotropic thermoelasticity with volume force and heat supply in a half-space: interaction of displacements // Arch Appl Mech. – 2015. V. 85. pp. 433–454. https://doi.org/10.1007/s00419-014-0921-3 Scholar
- 29.Parfenova E.S., Knyazeva A.G. The chemical interaction charged particles with target material under surface treatment of metal with particle beam // Zeitschrift fur angewandte mathematik und mechanics. – 2022. –V. 102, No 8. – Article number e202200083. https://doi.org/10.1002/zamm.202200083 Scholar
- 30.Parfenova E.S., Knyazeva A.G. Surface treatment of metal by combined particle beam // International Journal of Engineering Science. – 2024. – V. 205. Article number 104150. https://doi.org/10.1016/j.ijengsci.2024.104150 Scholar
- 31.Dilip Kondepudi, Ilya Prigogine Modern Thermodynamics: From Heat Engines to Dissipative Structures. – Wiley: Chichester, UK., 1998. – 486 p. Scholar
- 32.Gyarmati I. Non-equilibrium Thermodynamics: Field Theory and Variational Principles. – Springer: Berlin, Heidelberg, 1970. –184 p. Scholar
- 33.Knyazeva A.G. Introduction to thermodynamics of irreversible processes. Sections on models (in Russian). – Tomsk: Ivan Fedorov, 2014. – 172 p. Scholar
- 34.Nowacki W. Elasticity theory / M.: Mir., 1975. – 872 p. Scholar
- 35.Kovalenko A.D. Introduction to thermal elasticity (in Russian). – Kiev: Naukova dumka, 1965. – 202 p. Scholar
- 36.Shermergor T.D. Elasticity theory for micro heterogeneous media. – M.: Nauka, 1977. – 400 p. Scholar
- 37.Svelin R.A., Thermodynamics of solid state (in Russian). – M.: Metallurgiya, 1968. – 316 p. Scholar
- 38.Gurov K.P., Kartashkin B.A., Ugaste Yu. E. Mutual diffusion in multiphase systems. – M.: Nauka, – 1981. – 350. Scholar
- 39.Eremeev V.S. Diffusion and stresses. – M: Energoatomizdat, 1984. – 180 p. Scholar
- 40.Knyazeva A.G., Demidov V.N. Transfer coefficients for three component deformable alloy (In Russian) // Vestnik Perm GTU. Mechanika. – 2011. – № 3. – pp.84-99. Scholar
- 41.Povstenko Y.Z. From the Chemical Potential Tensor and Concentration Tensor to Nonlocal Continuum Theories // J. of Math. Sci. – 2020. – V. 249. – pp. 389-403. https://doi.org/10.1007/s10958-020-04949-0 Scholar
- 42.Knyazeva A.G. Generalization of . Generalizations of the Clapeyron-Clausius equation in a coupled thermomechanical model // J. of Applied mechanics and technical Physics. – 1999. – V. 40, № 6. – pp. 103-111. https://doi.org/10.1007/BF02469178. Scholar
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- Published
- 8 September 2025
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- 8 September 2025
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- No. 3 (2025)