nn_elem_props.h

// SPDX-FileCopyrightText: Copyright (c) Stanford University, The Regents of the University of California, and others.
// SPDX-License-Identifier: BSD-3-Clause
 
/// @brief Define a map type used to set element properties.
using SetElementPropsMapType = std::map<int, std::function<void(int, mshType&)>>;
 
/// @brief Map used to set 3D element properties.
///
/// This replicates the case statement in the Fortran 'SUBROUTINE SELECTELE(lM)' 
/// defined in NN.f. 
//
SetElementPropsMapType set_3d_element_props = {
 
  {4, [](int insd, mshType& mesh) -> void { 
    mesh.eType = ElementType::TET4; 
    mesh.nG = 4; 
    mesh.vtkType = 10; 
    mesh.nEf = 4; 
    mesh.lShpF = true; 
    }
  },
 
 {6, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::WDG;
    mesh.nG = 6;
    mesh.vtkType = 13;
    mesh.nEf = 3;
    mesh.lShpF = true;
    }
  },
 
 {8, [](int insd, mshType& mesh) -> void { 
    mesh.eType = ElementType::HEX8;
    mesh.nG = 8; 
    mesh.vtkType = 12;
    mesh.nEf = 6; 
    mesh.lShpF = false;
    }
  },
 
 {20, [](int insd, mshType& mesh) -> void { 
    mesh.eType = ElementType::HEX20;
    mesh.nG = 27; 
    mesh.vtkType = 25;
    mesh.nEf = 6; 
    mesh.lShpF = false;
    }
  },
 
 {27, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::HEX27;
    mesh.nG = 27;
    mesh.vtkType = 29;
    mesh.nEf = 6;
    mesh.lShpF = false;
    }
  },
 
 {10, [](int insd, mshType& mesh) -> void { 
    mesh.eType = ElementType::TET10;
    mesh.nG = 15; 
    mesh.vtkType = 24;
    mesh.nEf = 4; 
    mesh.lShpF = false;
    }
  },
 
 {20, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::HEX20;
    mesh.nG = 27;
    mesh.vtkType = 25;
    mesh.nEf = 6;
    mesh.lShpF = false;
    }
  },
 
 {27, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::HEX27;
    mesh.nG = 27;
    mesh.vtkType = 29;
    mesh.nEf = 6;
    mesh.lShpF = false;
    }
  },
};
 
//---------------------
// set_2d_element_props
//---------------------
// Map used to set 2D element properties.
//
SetElementPropsMapType set_2d_element_props = {
 
  {3, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::TRI3;
    mesh.nG = 3;
    mesh.vtkType = 5;
    mesh.nEf = 3;
    mesh.lShpF = true;
    }
  },
 
  {4, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::QUD4;
    mesh.nG = 4;
    mesh.vtkType = 9;
    mesh.nEf = 4;
    mesh.lShpF = false;
    }
  },
 
  {6, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::TRI6;
    mesh.nG = 7;
    mesh.vtkType = 22;
    mesh.nEf = 3;
    mesh.lShpF = false;
    }
  },
 
  {8, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::QUD8;
    mesh.nG = 9;
    mesh.vtkType = 23;
    mesh.nEf = 4;
    mesh.lShpF = false;
    }
  },
 
  {9, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::QUD9;
    mesh.nG = 9;
    mesh.vtkType = 28;
    mesh.nEf = 4;
    mesh.lShpF = false;
    }
  },
};
 
/// @brief Map used to set 1D element properties.
//
SetElementPropsMapType set_1d_element_props = {
 
  {2, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::LIN1;
    mesh.nG = 2;
    mesh.vtkType = 3;
    mesh.nEf = 2;
    mesh.lShpF = true;
    }
  },
 
  {3, [](int insd, mshType& mesh) -> void {
    mesh.eType = ElementType::LIN2;
    mesh.nG = 3;
    mesh.vtkType = 21;
    mesh.nEf = 2;
    mesh.lShpF = false;
    }
  },
};
 
/// @brief Define a map type used to set face properties.
using SetFacePropsMapType = std::map<int, std::function<void(int, faceType&)>>;
 
/// @brief Map used to set face properties.
///
/// set_face_element_props[eNoN].
///
/// Replaces the Fortan 'select' statemnt in 'SELECTELEB'.
//
SetFacePropsMapType set_face_element_props = {
 
  {1, [](int insd, faceType& face) -> void 
    {
      face.eType = ElementType::PNT;
      face.nG = 1;
    }
  },
 
  // Two nodes per element.
  //
  {2, [](int insd, faceType& face) -> void 
    {
      if (insd == 1) {
        face.eType = ElementType::LIN1;
        face.nG = 2;
      }
    }
  },
 
  {3, [](int insd, faceType& face) -> void 
    {
      if (insd == 2) {
         face.eType = ElementType::TRI3;
      } else {
         face.eType = ElementType::LIN2;
      }
      face.nG = 3;
    }
  },
 
  {4, [](int insd, faceType& face) -> void {
    face.eType = ElementType::QUD4;
    face.nG = 4;
    }
  },
 
  {6, [](int insd, faceType& face) -> void {
    face.eType = ElementType::TRI6;
    face.nG = 7;
    }
  },
 
  {8, [](int insd, faceType& face) -> void {
    face.eType = ElementType::QUD8;
    face.nG = 9;
    }
  },
 
  {9, [](int insd, faceType& face) -> void {
    face.eType = ElementType::QUD9;
    face.nG = 9;
    }
  },
 
 
};