UnsignedDistanceToSurfaceMesh.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 "Function.h"
 
// Forward declarations
class SBMSurfaceMeshBuilder;
class KDTree;
class SurfaceElement;
class SBMInterfaceManager;
 
class UnsignedDistanceToSurfaceMesh : public Function
{
public:
  using Function::value;
 
  static InputParameters validParams();
 
  virtual void initialSetup() override;
 
  UnsignedDistanceToSurfaceMesh(const InputParameters & parameters);
 
  const SurfaceElement & closestBoundaryElem(const Point & p) const;
 
  RealVectorValue distanceVectorToSurface(const Point & p) const;
 
  Real value(Real t, const Point & p) const override;
 
  RealGradient gradient(Real t, const Point & p) const override;
 
  RealVectorValue surfaceNormal(const Point & p) const;
 
protected:
  const SBMInterfaceManager * _manager = nullptr;
  std::pair<SubdomainID, SubdomainID> _subdomain_pair;
 
  KDTree * _kd_tree = nullptr;
  const std::vector<std::unique_ptr<SurfaceElement>> * _boundary_elements = nullptr;
};