ShortestDistanceToSurface.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 "ThreadedGeneralUserObject.h"

class ShortestDistanceToSurface : public ThreadedGeneralUserObject
{
public:
  static InputParameters validParams();
  ShortestDistanceToSurface(const InputParameters & parameters);
  void initialize() override {}
  void execute() override {}
  void finalize() override {}

  // This object answers queries on demand and stores no results, so there is
  // nothing to combine across threads.
  void threadJoin(const UserObject &) override {}

  const std::vector<const Function *> & getDistanceFuncs() const { return _distance_functions; }

  RealVectorValue distanceVector(const Point & pt) const;

  RealVectorValue trueNormal(const Point & pt) const;

  RealVectorValue distanceVectorByIndex(unsigned int idx, const Point & pt) const;

  RealVectorValue trueNormalByIndex(unsigned int idx, const Point & pt) const;

  RealVectorValue distanceVectorByFunc(const Point & pt, Real t, const Function * func) const;

  RealVectorValue trueNormalByFunc(const Point & pt, Real t, const Function * func) const;

protected:
  std::vector<const Function *> _distance_functions;
};