FVScalarLagrangeMultiplierInterface.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "FVInterfaceKernel.h"
 
class FVScalarLagrangeMultiplierInterface : public FVInterfaceKernel
{
public:
  static InputParameters validParams();
  FVScalarLagrangeMultiplierInterface(const InputParameters & params);
 
  void computeResidual(const FaceInfo & fi) override final;
  void computeJacobian(const FaceInfo & fi) override final;
 
  const MooseVariableScalar & lambdaVariable() const { return _lambda_var; }
 
protected:
  ADReal computeQpResidual() override = 0;
 
  const MooseVariableScalar & _lambda_var;
 
  const ADVariableValue & _lambda;
};