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Thermodynamically consistent modeling for complex fluids and mathematical analysis
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DOI：10.1142/S0218202521500421.png)
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The goal of this paper is to derive governing equations for complex fluids in a thermodynamically consistent way so that the conservation of energy and the increase of entropy is guaranteed. The model is a system of first-order partial differential equations on density, velocity, energy (or equivalently temperature), and conformation tensor. A barotropic model is also derived. In the one-dimensional case, we express the barotropic model in the form of hyperbolic balance laws, and show that it satisfies the stability condition. Consequently, the global existence of solutions around equilibrium states is proved and the convergence rates is obtained.
Keyword:
Complex fluids
thermodynamic consistency
stability
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3
论文数:
2.2K
被引数:
4.6K
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