Line data    Source code

       1             : /********************************************************************/
       2             : /*                  SOFTWARE COPYRIGHT NOTIFICATION                 */
       3             : /*                             Cardinal                             */
       4             : /*                                                                  */
       5             : /*                  (c) 2021 UChicago Argonne, LLC                  */
       6             : /*                        ALL RIGHTS RESERVED                       */
       7             : /*                                                                  */
       8             : /*                 Prepared by UChicago Argonne, LLC                */
       9             : /*               Under Contract No. DE-AC02-06CH11357               */
      10             : /*                With the U. S. Department of Energy               */
      11             : /*                                                                  */
      12             : /*             Prepared by Battelle Energy Alliance, LLC            */
      13             : /*               Under Contract No. DE-AC07-05ID14517               */
      14             : /*                With the U. S. Department of Energy               */
      15             : /*                                                                  */
      16             : /*                 See LICENSE for full restrictions                */
      17             : /********************************************************************/
      18             : 
      19             : #include "HexagonalSubchannelGapMesh.h"
      20             : #include "libmesh/face_quad4.h"
      21             : #include "libmesh/unstructured_mesh.h"
      22             : 
      23             : registerMooseObject("CardinalApp", HexagonalSubchannelGapMesh);
      24             : 
      25             : InputParameters
      26         128 : HexagonalSubchannelGapMesh::validParams()
      27             : {
      28         128 :   InputParameters params = HexagonalSubchannelMeshBase::validParams();
      29         256 :   params.addRequiredRangeCheckedParam<unsigned int>(
      30             :       "n_axial", "n_axial > 0", "Number of axial cells");
      31         256 :   params.addRequiredRangeCheckedParam<Real>("height", "height > 0", "Height of assembly");
      32             : 
      33         256 :   params.addParam<SubdomainID>("interior_id", 1, "Sideset ID to set for the interior channel gaps");
      34         256 :   params.addParam<SubdomainID>(
      35         256 :       "peripheral_id", 2, "Block ID to set for the peripheral channel gaps");
      36             : 
      37         128 :   params.addClassDescription("Mesh respecting subchannel gaps for a triangular lattice");
      38         128 :   return params;
      39           0 : }
      40             : 
      41          64 : HexagonalSubchannelGapMesh::HexagonalSubchannelGapMesh(const InputParameters & parameters)
      42             :   : HexagonalSubchannelMeshBase(parameters),
      43          64 :     _n_axial(getParam<unsigned int>("n_axial")),
      44         128 :     _height(getParam<Real>("height")),
      45         128 :     _interior_id(getParam<SubdomainID>("interior_id")),
      46         128 :     _peripheral_id(getParam<SubdomainID>("peripheral_id")),
      47          64 :     _gap_indices(_hex_lattice.gapIndices())
      48             : {
      49          64 : }
      50             : 
      51             : std::unique_ptr<MooseMesh>
      52           0 : HexagonalSubchannelGapMesh::safeClone() const
      53             : {
      54           0 :   return _app.getFactory().copyConstruct(*this);
      55             : }
      56             : 
      57             : void
      58          64 : HexagonalSubchannelGapMesh::buildMesh()
      59             : {
      60          64 :   MeshBase & mesh = getMesh();
      61          64 :   mesh.clear();
      62          64 :   mesh.set_mesh_dimension(2);
      63          64 :   mesh.set_spatial_dimension(3);
      64             : 
      65          64 :   _elem_id_counter = 0;
      66          64 :   _node_id_counter = 0;
      67             : 
      68          64 :   const Real r = _hex_lattice.pinRadius();
      69          64 :   Real dz = _height / _n_axial;
      70             : 
      71         364 :   for (unsigned int i = 0; i < _n_axial; ++i)
      72             :   {
      73         300 :     Real zmin = i * dz;
      74         300 :     Real zmax = (i + 1) * dz;
      75             : 
      76        7428 :     for (unsigned int i = 0; i < _hex_lattice.nInteriorGaps(); ++i)
      77             :     {
      78        7128 :       const auto & pins = _gap_indices[i];
      79             : 
      80             :       // to ensure accurate areas (in case anyone wants that), we need to adjust the points
      81             :       // to not overlap with the pincells that would be here
      82        7128 :       const auto & center1 = _pin_centers[pins.first];
      83        7128 :       const auto & center2 = _pin_centers[pins.second];
      84        7128 :       const Point pt1 = center1 + r * (center2 - center1).unit();
      85        7128 :       const Point pt2 = center2 + r * (center1 - center2).unit();
      86             : 
      87        7128 :       addQuadElem(pt1, pt2, zmin, zmax, _interior_id);
      88             :     }
      89             : 
      90         300 :     Real d = _hex_lattice.pinBundleSpacing() + _hex_lattice.pinRadius();
      91             : 
      92        4476 :     for (unsigned int i = _hex_lattice.nInteriorGaps(); i < _gap_indices.size(); ++i)
      93             :     {
      94             :       const auto & pins = _gap_indices[i];
      95        4176 :       int side = std::abs(pins.second) - 1;
      96             : 
      97        4176 :       const auto & center1 = _pin_centers[pins.first];
      98        4176 :       const Point pt2 = center1 + Point(d * _hex_lattice.sideTranslationX(side),
      99        4176 :                                         d * _hex_lattice.sideTranslationY(side),
     100             :                                         0.0);
     101        4176 :       const Point pt1 = center1 + r * (pt2 - center1).unit();
     102             : 
     103        4176 :       addQuadElem(pt1, pt2, zmin, zmax, _peripheral_id);
     104             :     }
     105             :   }
     106             : 
     107          64 :   mesh.prepare_for_use();
     108          64 : }
     109             : 
     110             : void
     111       11304 : HexagonalSubchannelGapMesh::addQuadElem(const Point & pt1,
     112             :                                         const Point & pt2,
     113             :                                         const Real & zmin,
     114             :                                         const Real & zmax,
     115             :                                         const unsigned int & id)
     116             : {
     117       11304 :   auto elem = new Quad4;
     118       11304 :   elem->set_id(_elem_id_counter++);
     119       11304 :   _mesh->add_elem(elem);
     120             : 
     121       11304 :   Point z0(0.0, 0.0, zmin);
     122       11304 :   Point z1(0.0, 0.0, zmax);
     123             : 
     124       11304 :   auto node_ptr0 = _mesh->add_point(pt1 + z0, _node_id_counter++);
     125       11304 :   auto node_ptr1 = _mesh->add_point(pt2 + z0, _node_id_counter++);
     126       11304 :   auto node_ptr2 = _mesh->add_point(pt2 + z1, _node_id_counter++);
     127       11304 :   auto node_ptr3 = _mesh->add_point(pt1 + z1, _node_id_counter++);
     128             : 
     129       11304 :   elem->set_node(0) = node_ptr0;
     130       11304 :   elem->set_node(1) = node_ptr1;
     131       11304 :   elem->set_node(2) = node_ptr2;
     132       11304 :   elem->set_node(3) = node_ptr3;
     133             : 
     134       11304 :   elem->subdomain_id() = id;
     135       11304 : }