ITHACAsurfacetools.C

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
     ██╗████████╗██╗  ██╗ █████╗  ██████╗ █████╗       ███████╗██╗   ██╗
     ██║╚══██╔══╝██║  ██║██╔══██╗██╔════╝██╔══██╗      ██╔════╝██║   ██║
     ██║   ██║   ███████║███████║██║     ███████║█████╗█████╗  ██║   ██║
     ██║   ██║   ██╔══██║██╔══██║██║     ██╔══██║╚════╝██╔══╝  ╚██╗ ██╔╝
     ██║   ██║   ██║  ██║██║  ██║╚██████╗██║  ██║      ██║      ╚████╔╝
     ╚═╝   ╚═╝   ╚═╝  ╚═╝╚═╝  ╚═╝ ╚═════╝╚═╝  ╚═╝      ╚═╝       ╚═══╝
 
 * In real Time Highly Advanced Computational Applications for Finite Volumes
 * Copyright (C) 2017 by the ITHACA-FV authors
-------------------------------------------------------------------------------
 
License
    This file is part of ITHACA-FV
 
    ITHACA-FV is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    ITHACA-FV is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.
 
 
    You should have received a copy of the GNU Lesser General Public License
    along with ITHACA-FV. If not, see <http://www.gnu.org/licenses/>.
\*---------------------------------------------------------------------------*/
 
#include "ITHACAsurfacetools.H"
 
 
namespace ITHACAutilities
{
namespace ITHACAsurfacetools
{
 
  template<typename T>
  List<label> surfaceIndexInt(T& field, const label patchInt, const label patchExt)
  {
    List<label>* result = new List<label>;
 
    for (size_t i = 0; i < field.mesh().boundaryMesh()[patchInt].size(); i++) {
      result->append(field.mesh().boundaryMesh()[patchInt].faceCells()[i]);
    }
 
    return *result;
  }
 
  template List<label> surfaceIndexInt(volScalarField& field, const label patchInt, const label patchExt);
  template List<label> surfaceIndexInt(volVectorField& field, const label patchInt, const label patchExt);
  template List<label> surfaceIndexInt(volTensorField& field, const label patchInt, const label patchExt);
 
  template<typename T>
  List<label> surfaceIndexExt(T& field, const label patchInt, const label patchExt)
  {
    return surfaceIndexInt(field, patchExt, patchInt);
  }
 
  template List<label> surfaceIndexExt(volScalarField& field, const label patchInt, const label patchExt);
  template List<label> surfaceIndexExt(volVectorField& field, const label patchInt, const label patchExt);
  template List<label> surfaceIndexExt(volTensorField& field, const label patchInt, const label patchExt);
 
  template<typename T, typename V>
  void surfaceValuesInt(T& field, const label patchInt, const label patchExt, List<V>& result)
  {
    List<label> indexes = surfaceIndexInt(field, patchInt, patchExt);
 
    for (size_t i = 0; i < indexes.size(); i++) {
      result.append(field[indexes[i]]);
    }
  }
 
  template void surfaceValuesInt(volScalarField& field, const label patchInt, const label patchExt, List<scalar>& result);
  template void surfaceValuesInt(volVectorField& field, const label patchInt, const label patchExt, List<Foam::Vector<scalar>>& result);
  template void surfaceValuesInt(volTensorField& field, const label patchInt, const label patchExt, List<Foam::Tensor<scalar>>& result);
 
  template<typename T, typename V>
  void surfaceValuesExt(T& field, const label patchInt, const label patchExt, List<V>& result)
  {
    surfaceValuesInt(field, patchExt, patchInt, result);
  }
 
  template void surfaceValuesExt(volScalarField& field, const label patchInt, const label patchExt, List<scalar>& result);
  template void surfaceValuesExt(volVectorField& field, const label patchInt, const label patchExt, List<Foam::Vector<scalar>>& result);
  template void surfaceValuesExt(volTensorField& field, const label patchInt, const label patchExt, List<Foam::Tensor<scalar>>& result);
 
  template<typename T>
  Foam::Vector<scalar> surfaceFindMirrorPoint(T& field, const label patchInt, const label patchExt, const label cellID)
  {
    Foam::Vector<scalar> result = *(new Foam::Vector<scalar>);
    List<label> indexesInt = surfaceIndexInt(field, patchInt, patchExt);
 
    result = 2.0 * field.mesh().boundaryMesh()[patchInt].faceCentres()[cellID] - field.mesh().C()[indexesInt[cellID]];
 
    return result;
  }
 
  template Foam::Vector<scalar> surfaceFindMirrorPoint(volScalarField& field, const label patchInt, const label patchExt, const label cellID);
  template Foam::Vector<scalar> surfaceFindMirrorPoint(volVectorField& field, const label patchInt, const label patchExt, const label cellID);
  template Foam::Vector<scalar> surfaceFindMirrorPoint(volTensorField& field, const label patchInt, const label patchExt, const label cellID);
 
  template<typename T>
  label surfaceFindClosest(T& field, const label patchInt, const label patchExt, Foam::Vector<scalar> point)
  {
    label result = 0;
    scalar dist = 0;
    List<label> indexesExt = surfaceIndexExt(field, patchInt, patchExt);
 
    dist = mag(point - field.mesh().C()[indexesExt[0]]);
 
    for(int i = 1; i < indexesExt.size(); i++)
    {
      scalar temp = mag(point - field.mesh().C()[indexesExt[i]]);
      if(temp <= dist)
      {
        dist = temp;
        result = i;
      }
    }
    result = indexesExt[result];
    return result;
  }
 
  template label surfaceFindClosest(volScalarField& field, const label patchInt, const label patchExt, Foam::Vector<scalar> point);
  template label surfaceFindClosest(volVectorField& field, const label patchInt, const label patchExt, Foam::Vector<scalar> point);
  template label surfaceFindClosest(volTensorField& field, const label patchInt, const label patchExt, Foam::Vector<scalar> point);
 
  template<typename T, typename V>
  void surfaceAverage(T& field, const label patchInt, const label patchExt, List<V>& result)
  {
    List<label> indexesInt = surfaceIndexInt(field, patchInt, patchExt);
    result.resize(0);
 
    for(int i = 0; i < indexesInt.size(); i++)
    {
        Foam::Vector<scalar> mirror = surfaceFindMirrorPoint(field, patchInt, patchExt, i);
        label closest = surfaceFindClosest(field, patchInt, patchExt, mirror);
        result.append(0.5 * field[closest] + 0.5 * field[indexesInt[i]]);
    }
  }
 
  template void surfaceAverage(volScalarField& field, const label patchInt, const label patchExt, List<scalar>& result);
  template void surfaceAverage(volVectorField& field, const label patchInt, const label patchExt, List<Foam::Vector<scalar>>& result);
  template void surfaceAverage(volTensorField& field, const label patchInt, const label patchExt, List<Foam::Tensor<scalar>>& result);
 
  template<typename T, typename V>
  void surfaceJump(T& field, const label patchInt, const label patchExt, List<V>& result)
  {
    List<label> indexesInt = surfaceIndexInt(field, patchInt, patchExt);
    result.resize(0);
 
    for(int i = 0; i < indexesInt.size(); i++)
    {
        Foam::Vector<scalar> mirror = surfaceFindMirrorPoint(field, patchInt, patchExt, i);
        label closest = surfaceFindClosest(field, patchInt, patchExt, mirror);
        result.append(field[closest] - field[indexesInt[i]]);
    }
  }
 
  template void surfaceJump(volScalarField& field, const label patchInt, const label patchExt, List<scalar>& result);
  template void surfaceJump(volVectorField& field, const label patchInt, const label patchExt, List<Foam::Vector<scalar>>& result);
  template void surfaceJump(volTensorField& field, const label patchInt, const label patchExt, List<Foam::Tensor<scalar>>& result);
} // End namespace ITHACAsurfacetools
} // End namespace ITHACAutilities
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
// ************************************************************************* //