Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #include "LinearizedInterfaceFunction.h"
      11             : 
      12             : registerMooseObject("PhaseFieldApp", LinearizedInterfaceFunction);
      13             : 
      14             : InputParameters
      15         799 : LinearizedInterfaceFunction::validParams()
      16             : {
      17         799 :   InputParameters params = DerivativeParsedMaterialHelper::validParams();
      18         799 :   params.addClassDescription(
      19             :       "Defines the order parameter substitution for linearized interface phase field models");
      20        1598 :   params.addRequiredCoupledVar("phi", "Concentration variable");
      21         799 :   return params;
      22           0 : }
      23             : 
      24         612 : LinearizedInterfaceFunction::LinearizedInterfaceFunction(const InputParameters & parameters)
      25        1224 :   : DerivativeParsedMaterialHelper(parameters), _phi("phi")
      26             : {
      27         612 :   EBFunction order_parameter;
      28             :   // Definition of the function for the expression builder
      29         612 :   order_parameter(_phi) = 1.0 / 2.0 * (1.0 + tanh(_phi / sqrt(2.0)));
      30             : 
      31             :   // Parse function for automatic differentiation
      32         612 :   functionParse(order_parameter);
      33         612 : }