InputParameters validParams<BarrierFunctionMaterial>()
{
InputParameters params = validParams<OrderParameterFunctionMaterial>();
params.addClassDescription("Helper material to provide g(eta) and its derivative in a polynomial.\nSIMPLE: eta^2*(1-eta)^2\nLOW: eta*(1-eta)");
MooseEnum g_order("SIMPLE=0 LOW", "SIMPLE");
params.addParam<MooseEnum>("g_order", g_order, "Polynomial order of the barrier function g(eta)");
params.addParam<bool>("well_only", false, "Make the g zero in [0:1] so it only contributes to enforcing the eta range and not to the phase transformation berrier.");
params.set<std::string>("function_name") = std::string("g");
return params;
}
InputParameters
validParams<CrossTermBarrierFunctionBase>()
{
InputParameters params = validParams<Material>();
params.addParam<std::string>("function_name", "g", "actual name for g(eta_i)");
MooseEnum g_order("SIMPLE=0 LOW", "SIMPLE");
params.addParam<MooseEnum>("g_order", g_order, "Polynomial order of the barrier function g(eta)");
params.addRequiredCoupledVar("etas", "eta_i order parameters, one for each h");
params.addRequiredParam<std::vector<Real>>("W_ij",
"Terms controlling barrier height set W=1 in "
"DerivativeMultiPhaseMaterial for these to "
"apply");
return params;
}
