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             : #ifdef MOOSE_MFEM_ENABLED
      11             : 
      12             : #pragma once
      13             : 
      14             : #include "MooseParsedFunction.h"
      15             : #include "FunctionParserUtils.h"
      16             : #include "MFEMProblem.h"
      17             : 
      18             : /**
      19             :  * Scalar, parsed function of position, time, and any number of scalar problem coefficients,
      20             :  * including any scalar variables, postprocessors, material properties or functions
      21             :  */
      22             : class MFEMParsedFunction : public MooseParsedFunction, public FunctionParserUtils<false>
      23             : {
      24             : public:
      25             :   static InputParameters validParams();
      26             : 
      27             :   MFEMParsedFunction(const InputParameters & parameters);
      28          16 :   virtual ~MFEMParsedFunction() = default;
      29             : 
      30             :   void initialSetup() override;
      31             : 
      32             : protected:
      33             :   /// reference to the MFEMProblem instance
      34             :   MFEMProblem & _mfem_problem;
      35             :   /// function parser object
      36             :   SymFunctionPtr _sym_function;
      37             :   /// coordinate and time variable names
      38             :   const std::vector<std::string> _xyzt;
      39             :   /// vector of references to the scalar coefficients used in the function
      40             :   std::vector<std::reference_wrapper<mfem::Coefficient>> _coefficients;
      41             : };
      42             : 
      43             : #endif