Electrodynamics for moving elastic solids and viscous fluids

A general theory of electrodynamics of moving and deformable media is developed on the basis of the Chu formulation of the Maxwell equations and the general principles of continuum mechanics. From the two-dipole model for polarization and magnetization and the concept of the Lorentz force on electric and magnetic dipoles, the body force, the body couple, and the energy supply of electromagnetic origin are determined explicitly in terms of the dectromagnetic variables. These kinetic quantities appear in the balance equations for the mechanics of deformable bodies, which are coupled to the Maxwell equations. Boundary conditions and constitutive equations which satisfy the principle of objectivity are obtained for polarizable and magnetizable elastic solids and viscous fluids.