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Viscoelasticity + thermal expansion

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Hello, Does anybody know if it is possible to couple thermal expansion not to elastic solid, but to a viscoelasticity? If it is, what will be the equation system that COMSOL is solving (i.e., how precisely it will add expansion to the viscoelastic model)? I need to model a multiphase behavior of viscoelastic fluids, that has different Young moduli, densities etc. , and expanding at different rates. For simplicity, temperature is the same everywhere (but varying with the time). Thank you!


0 Replies Last Post 2023年2月27日 GMT-5 05:00
COMSOL Moderator

Hello Valentin Slepukhin

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