Real density(Real p) const
fluid density as a function of porepressure
RichardsDensityVDW(const InputParameters ¶meters)
Real densityVDW(Real p) const
Density according to the van der Waals expression This is modified to yield density(p) as noted above...
Real _infinity_ratio
density at P=-infinity is _infinity_ratio*_molar_mass
static InputParameters validParams()
Real _slope0
(1/_molar_mass)*d(density)/dP at P=0
Real _vdw0
density at P=0 according to the van der Waals expression
Real _rt
R*T (gas constant * temperature)
DIE A HORRIBLE DEATH HERE typedef LIBMESH_DEFAULT_SCALAR_TYPE Real
Density of a gas according to the van der Waals expression (P + n^2 a/V^2)(V - nb) = nRT How density ...
Real d2density(Real p) const
second derivative of fluid density wrt porepressure
const InputParameters & parameters() const
Base class for fluid density as a function of porepressure The functions density, ddensity and d2dens...
Real _molar_mass
molar mass of gas
Real ddensity(Real p) const
derivative of fluid density wrt porepressure