static Real dseff(Real p, Real al, Real m)
derivative of effective saturation wrt porepressure
static Real seff(Real p, Real al, Real m)
effective saturation as a fcn of porepressure
Utility functions for van-genuchten effective saturation as a function of porepressure (not capillary...
static Real d2seff(Real p, Real al, Real m)
2nd derivative of effective saturation wrt porepressure
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real