CHARACTERIZATION OF STRAIN-INDUCED DAMAGE IN COMPOSITES BASED ON THE DISSIPATED ENERGY DENSITY .3. GENERAL MATERIAL CONSTITUTIVE RELATION

While the energy dissipation function can be approximately determined without explicit knowledge of the damage-induced constitutive nonlinea rities as discussed in Parts I and II of this work, a more refined app roximation requires a representation of the full-scale nonlinear behav ior. This information is also of much interest in its own right since it is needed for stress analysis when analyzing the behavior of struct ural components loaded well into the nonlinear response range where su bstantial load redistribution is expected. Part III addresses a repres entation of the constitutive behavior in terms of the energy dissipati on function that is developed with a more refined scheme for identifyi ng the dissipation function itself.