Geometrically nonlinear continuum thermomechanics with surface energies coupled to diffusion

摘要: Surfaces can have a significant influence on the overall response of continuum body but are often neglected or accounted for in an ad hoc manner. This work is concerned with nonlinear thermomechanics formulation which accounts surface structures and includes effects diffusion viscoelasticity. The presented within thermodynamically consistent framework elucidates nature coupling between various fields, bulk. Conservation principles used to determine form constitutive relations evolution equations. Restrictions jump temperature chemical potential bulk not priori assumptions, rather they arise from reduced dissipation inequality shown be satisfiable without imposing standard assumptions thermal slavery. made clear via example wherein Helmholtz energy explicitly given.