VolumeElementForcesAndSourcesCoreOnContactPrismSide.cpp

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/** \file VolumeElementForcesAndSourcesCoreOnContactPrismSide.cpp
 
\brief Implementation of volume element on side
 
*/
 
 
 
namespace MoFEM {
 
int VolumeElementForcesAndSourcesCoreOnContactPrismSide::getRule(int order) {
  return -1;
};
 
MoFEMErrorCode
VolumeElementForcesAndSourcesCoreOnContactPrismSide::setGaussPts(int order) {
  MoFEMFunctionBegin;
 
  if (!sidePtrFE)
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY,
            "Side volume element not set");
 
  const EntityHandle volume_entity =
      sidePtrFE->numeredEntFiniteElementPtr->getEnt();
 
  Range adj_faces;
  CHKERR sidePtrFE->mField.getInterface<BitRefManager>()->getAdjacenciesAny(
      volume_entity, 2, adj_faces);
  SideNumber_multiIndex &side_table = const_cast<SideNumber_multiIndex &>(
      numeredEntFiniteElementPtr->getSideNumberTable());
 
  SideNumber_multiIndex &side_volume_table =
      const_cast<SideNumber_multiIndex &>(
          sidePtrFE->numeredEntFiniteElementPtr->getSideNumberTable());
 
  adj_faces = adj_faces.subset_by_type(MBTRI);
  bool face_common = false;
  SideNumber_multiIndex::nth_index<0>::type::iterator sit;
  SideNumber_multiIndex::nth_index<0>::type::iterator sit_volume;
  EntityHandle face_ent;
  for (Range::iterator it_tris = adj_faces.begin(); it_tris != adj_faces.end();
       it_tris++) {
    sit = side_table.get<0>().find(*it_tris);
    sit_volume = side_volume_table.get<0>().find(*it_tris);
    if (sit != side_table.get<0>().end()) {
      face_ent = *it_tris;
      face_common = true;
      break;
    }
  }
  if (!face_common) {
    SETERRQ(PETSC_COMM_SELF, MOFEM_DATA_INCONSISTENCY, "Error no common tets");
  }
 
  auto contact_prism_ptr_fe =
      static_cast<ContactPrismElementForcesAndSourcesCore *>(sidePtrFE);
 
  faceSense = (*sit)->sense;
  faceSideNumber = (*sit)->side_number;
  int side_of_vol_number = (*sit_volume)->side_number;
  const EntityHandle *ent_on_vol;
  int num_nodes = 3;
  CHKERR contact_prism_ptr_fe->mField.get_moab().get_connectivity(
      face_ent, ent_on_vol, num_nodes, true);
 
  fill(tetConnMap.begin(), tetConnMap.end(), -1);
  for (int nn = 0; nn != 3; ++nn) {
    faceConnMap[nn] = std::distance(conn, find(conn, &conn[4], ent_on_vol[nn]));
 
    tetConnMap[faceConnMap[nn]] = nn;
    if (faceConnMap[nn] > 3) {
      cerr << " faceConnMap[nn] " << faceConnMap[nn] << "\n";
      SETERRQ(PETSC_COMM_WORLD, MOFEM_DATA_INCONSISTENCY,
              "No common node on face and element can not be found");
    }
  }
 
  oppositeNode = std::distance(tetConnMap.begin(),
                               find(tetConnMap.begin(), tetConnMap.end(), -1));
 
  const int nb_gauss_pts =
      contact_prism_ptr_fe->getGaussPtsMasterFromEleSide().size2();
  gaussPts.resize(4, nb_gauss_pts, false);
  gaussPts.clear();
 
  boost::shared_ptr<EntitiesFieldData> dataH1_on_face;
 
  if (side_of_vol_number == 3) {
    dataH1_on_face = boost::shared_ptr<EntitiesFieldData>(
        contact_prism_ptr_fe->getDataOnMasterFromEleSide()[H1]);
  } else if (side_of_vol_number == 4) {
    dataH1_on_face = boost::shared_ptr<EntitiesFieldData>(
        contact_prism_ptr_fe->getDataOnSlaveFromEleSide()[H1]);
  } else {
    SETERRQ(PETSC_COMM_WORLD, MOFEM_DATA_INCONSISTENCY,
            "Side element for contact: Wrong face for contact!");
  }
 
  const MatrixDouble &face_shape_funtions =
      dataH1_on_face->dataOnEntities[MBVERTEX][0].getN(NOBASE);
 
  const double tet_coords[] = {0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1};
  for (int gg = 0; gg != nb_gauss_pts; ++gg) {
    gaussPts(0, gg) =
        face_shape_funtions(gg, 0) * tet_coords[3 * faceConnMap[0] + 0] +
        face_shape_funtions(gg, 1) * tet_coords[3 * faceConnMap[1] + 0] +
        face_shape_funtions(gg, 2) * tet_coords[3 * faceConnMap[2] + 0];
    gaussPts(1, gg) =
        face_shape_funtions(gg, 0) * tet_coords[3 * faceConnMap[0] + 1] +
        face_shape_funtions(gg, 1) * tet_coords[3 * faceConnMap[1] + 1] +
        face_shape_funtions(gg, 2) * tet_coords[3 * faceConnMap[2] + 1];
    gaussPts(2, gg) =
        face_shape_funtions(gg, 0) * tet_coords[3 * faceConnMap[0] + 2] +
        face_shape_funtions(gg, 1) * tet_coords[3 * faceConnMap[1] + 2] +
        face_shape_funtions(gg, 2) * tet_coords[3 * faceConnMap[2] + 2];
    if (side_of_vol_number == 3) {
      gaussPts(3, gg) =
          contact_prism_ptr_fe->getGaussPtsMasterFromEleSide()(2, gg);
    } else {
      gaussPts(3, gg) =
          contact_prism_ptr_fe->getGaussPtsSlaveFromEleSide()(2, gg);
    }
  }
  MoFEMFunctionReturn(0);
}
 
} // namespace MoFEM