Classes | Functions
PFParamsPolyFreeEnergy.h File Reference

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class  PFParamsPolyFreeEnergy
 Calculated properties for a single component phase field model using polynomial free energies. More...


InputParameters validParams< PFParamsPolyFreeEnergy > ()

Function Documentation

InputParameters validParams< PFParamsPolyFreeEnergy > ( )

Definition at line 5 of file PFParamsPolyFreeEnergy.C.

6 {
7  InputParameters params = validParams<Material>();
8  params.addClassDescription(
9  "Phase field parameters for polynomial free energy for single component systems");
10  params.addCoupledVar("T", "Temperature variable in Kelvin");
11  params.addRequiredCoupledVar("c", "Concentration");
12  params.addRequiredParam<Real>(
13  "int_width", "The interfacial width of void surface in the lengthscale of the problem");
14  params.addParam<Real>(
15  "length_scale", 1.0e-9, "defines the base length scale of the problem in m");
16  params.addParam<Real>("time_scale", 1.0e-9, "defines the base time scale of the problem");
17  MooseEnum poly_order("4 6 8");
18  params.addRequiredParam<MooseEnum>(
19  "polynomial_order", poly_order, "Order of polynomial free energy");
20  params.addRequiredParam<Real>("D0", "Diffusivity prefactor for vacancies in m^2/s");
21  params.addRequiredParam<Real>("Em", "Migration energy in eV");
22  params.addRequiredParam<Real>("Ef", "Formation energy in eV");
23  params.addRequiredParam<Real>("surface_energy", "Surface energy in J/m2");
24  return params;
25 }