期刊
JOURNAL OF MATHEMATICAL FLUID MECHANICS
卷 25, 期 4, 页码 -出版社
SPRINGER BASEL AG
DOI: 10.1007/s00021-023-00817-4
关键词
Fluid-structure interaction; Monolithic description; Large strains; Return mapping; Multipolar continua; Weak solutions
This article investigates the mechanical interaction of compressible viscoelastic fluids with viscoelastic solids in Kelvin-Voigt rheology using the concept of higher-order viscosity. The no-slip contact between fluid and solid is considered, and a monolithic formulation of the fluid-structure interaction problem is achieved using the Eulerian-frame return-mapping technique. The existence and regularity of weak solutions are proven through a Schauder fixed-point argument combined with a suitable regularization.
A mechanical interaction of compressible viscoelastic fluids with viscoelastic solids in Kelvin-Voigt rheology using the concept of higher-order (so-called 2nd-grade multipolar) viscosity is investigated in a quasistatic variant. The no-slip contact between fluid and solid is considered and the Eulerian-frame return-mapping technique is used for both the fluid and the solid models, which allows for a monolithic formulation of this fluid-structure interaction problem. Existence and a certain regularity of weak solutions is proved by a Schauder fixed-point argument combined with a suitable regularization.
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