LMWeightedGapUserObject.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 "WeightedGapUserObject.h"

template <typename>
class MooseVariableFE;

class LMWeightedGapUserObject : virtual public WeightedGapUserObject
{
public:
  static InputParameters validParams();
  static InputParameters newParams();

  LMWeightedGapUserObject(const InputParameters & parameters);

  virtual const ADVariableValue & contactPressure() const override;
  virtual void reinit() override {}
  virtual Real getNormalContactPressure(const Node * const /*node*/) const override;

protected:
  virtual const VariableTestValue & test() const override;
  virtual bool constrainedByOwner() const override { return true; }

  void checkInput(const MooseVariable * const var, const std::string & var_name) const;

  void verifyLagrange(const MooseVariable & var, const std::string & var_name) const;

  const MooseVariableFE<Real> * const _lm_var;

  const bool _use_petrov_galerkin;

  const MooseVariable * const _aux_lm_var;
};