MortarSegmentInfo.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 "MooseEnum.h"

// Forward declarations
namespace libMesh
{
class Elem;
}

// libMesh includes
#include "libmesh/libmesh_common.h" // not possible to forward declare typedef Real.

// C++ includes
#include <utility>

// Using statements
using libMesh::Elem;
using libMesh::Real;

enum class MortarSegmentTriangulationMode : unsigned char
{
  Delaunay,
  Centroid,
  EarClipping,
  Vertex
};

CreateMooseEnumClass(Mortar3DQuadraturePointMapping,
                     NORMAL_PROJECTION = 0,
                     REFERENCE_INTERPOLATION = 1);

struct MortarSegmentInfo
{
  MortarSegmentInfo();

  MortarSegmentInfo(Real x1a, Real x1b, Real x2a, Real x2b);

  // MortarSegmentInfo(const MortarSegmentInfo &) = default;

  void print() const;

  bool isValid() const;

  Real xi1_a, xi1_b;
  Real xi2_a, xi2_b;
  const Elem * secondary_elem;
  const Elem * primary_elem;

  // A magic number to let us determine when xi values have not been
  // initialized yet.
  static const Real invalid_xi;
};