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             : #pragma once
      11             : 
      12             : #include "FVInterfaceKernel.h"
      13             : 
      14             : class FVScalarLagrangeMultiplierInterface : public FVInterfaceKernel
      15             : {
      16             : public:
      17             :   static InputParameters validParams();
      18             :   FVScalarLagrangeMultiplierInterface(const InputParameters & params);
      19             : 
      20             :   void computeResidual(const FaceInfo & fi) override final;
      21             :   void computeJacobian(const FaceInfo & fi) override final;
      22             : 
      23             :   /**
      24             :    * @return the Lagrange Multiplier scalar variable that enforces the interface constraint
      25             :    */
      26          13 :   const MooseVariableScalar & lambdaVariable() const { return _lambda_var; }
      27             : 
      28             : protected:
      29             :   ADReal computeQpResidual() override = 0;
      30             : 
      31             :   /// The Lagrange Multiplier variable
      32             :   const MooseVariableScalar & _lambda_var;
      33             : 
      34             :   /// The Lagrange Multiplier value
      35             :   const ADVariableValue & _lambda;
      36             : };