Line data    Source code

       1             : //* This file is part of the MOOSE framework
       2             : //* https://mooseframework.inl.gov
       3             : //*
       4             : //* All rights reserved, see COPYRIGHT for full restrictions
       5             : //* https://github.com/idaholab/moose/blob/master/COPYRIGHT
       6             : //*
       7             : //* Licensed under LGPL 2.1, please see LICENSE for details
       8             : //* https://www.gnu.org/licenses/lgpl-2.1.html
       9             : 
      10             : #include "ElementsToSimplicesConverter.h"
      11             : 
      12             : #include "CastUniquePointer.h"
      13             : 
      14             : #include "libmesh/mesh_modification.h"
      15             : #include "libmesh/unstructured_mesh.h"
      16             : 
      17             : registerMooseObject("MooseApp", ElementsToSimplicesConverter);
      18             : 
      19             : InputParameters
      20        3221 : ElementsToSimplicesConverter::validParams()
      21             : {
      22        3221 :   InputParameters params = MeshGenerator::validParams();
      23             : 
      24       12884 :   params.addRequiredParam<MeshGeneratorName>("input", "Input mesh to convert to all-simplex mesh");
      25             : 
      26        3221 :   params.addClassDescription("Splits all non-simplex elements in a mesh into simplices.");
      27             : 
      28        3221 :   return params;
      29           0 : }
      30             : 
      31          80 : ElementsToSimplicesConverter::ElementsToSimplicesConverter(const InputParameters & parameters)
      32         160 :   : MeshGenerator(parameters), _input_ptr(getMesh("input"))
      33             : {
      34          80 : }
      35             : 
      36             : std::unique_ptr<MeshBase>
      37          80 : ElementsToSimplicesConverter::generate()
      38             : {
      39             :   // Put the input mesh in a local pointer
      40             :   std::unique_ptr<UnstructuredMesh> mesh =
      41          80 :       dynamic_pointer_cast<UnstructuredMesh>(std::move(_input_ptr));
      42             : 
      43             :   // all_tri() on a ReplicatedMesh skips its internal prepare_for_use() call (it only prepares
      44             :   // for non-replicated meshes). Without preparation, element_ptr_range() may not iterate over
      45             :   // all elements correctly, producing incomplete results. Prepare here to ensure correctness.
      46          80 :   if (!mesh->is_prepared())
      47          80 :     mesh->prepare_for_use();
      48             : 
      49          80 :   MeshTools::Modification::all_tri(*mesh);
      50             : 
      51         160 :   return mesh;
      52          80 : }