registerMooseAction("ThermalHydraulicsApp", THMAddVariablesAction, "THM:add_variables")
static InputParameters validParams()
std::shared_ptr< FEProblemBase > & _problem
virtual void addVariables()
Add variables involved in this simulation.
static InputParameters validParams()
THMAddVariablesAction(const InputParameters ¶ms)
Specialization of FEProblem to run with component subsystem.