int _wrt1
AuxKernel calculates d^2(Seff)/dP_wrt1 so wrt1 is the porepressure number to differentiate wrt to.
RichardsSeffPrimeAux(const InputParameters ¶meters)
Calculates derivative of effective saturation wrt a specified porepressure.
const RichardsSeff & _seff_UO
The user object that defines effective saturation as function of porepressure (or porepressures in th...
Base class for effective saturation as a function of porepressure(s) The functions seff,...
std::vector< const VariableValue * > _pressure_vals
the porepressure values (this will be length N where N is the number of arguments that the _seff_UO r...
virtual Real computeValue()
InputParameters validParams< RichardsSeffPrimeAux >()
std::vector< Real > _mat
array of derivtives: This auxkernel returns _mat[_wrt1]