n_str error corrected
initial check-in of solid constitutive model for mixture theory formulation
a more general way of retriving C matrices from moduli, some editing
some editing
B3 modified, some editing
added external force BC contribution to the force used in NtF calculation
MF_dMatrixT changed to MFGP_ToolsT
further work on force issue
un-hardcoded ghoston/offmap in BridgingScaleManagerT::Solve()
variables for stress return corrected