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C++ EBISBox::getVoFs方法代码示例

本文整理汇总了C++中EBISBox::getVoFs方法的典型用法代码示例。如果您正苦于以下问题:C++ EBISBox::getVoFs方法的具体用法?C++ EBISBox::getVoFs怎么用?C++ EBISBox::getVoFs使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在EBISBox的用法示例。


在下文中一共展示了EBISBox::getVoFs方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: velSave

void
EBCompositeMACProjector::
correctTangentialVelocity(EBFaceFAB&        a_velocity,
                          const EBFaceFAB&  a_gradient,
                          const Box&        a_grid,
                          const EBISBox&    a_ebisBox,
                          const IntVectSet& a_cfivs)
{
  CH_TIME("EBCompositeMACProjector::correctTangentialVelocity");
  int velDir = a_velocity.direction();
  int gradDir = a_gradient.direction();
  //veldir is the face on which the velocity lives
  //graddir is the direction of the component
  //and the face on which the mac gradient lives
  CH_assert(velDir != gradDir);
  CH_assert(a_velocity.nComp() == 1);
  CH_assert(a_gradient.nComp() == 1);

  //updating in place in fortran so we have to save a acopy
  EBFaceFAB velSave(a_ebisBox, a_velocity.getCellRegion(),  velDir, 1);
  velSave.copy(a_velocity);

  //interior box is the box where all of the stencil can be reached
  //without going out of the domain
  ProblemDomain domainBox = a_ebisBox.getDomain();
  Box interiorBox = a_grid;
  interiorBox.grow(1);
  interiorBox &= domainBox;
  interiorBox.grow(-1);
  Box interiorFaceBox = surroundingNodes(interiorBox, velDir);

  if (!interiorBox.isEmpty())
    {
      BaseFab<Real>&       regVel  = a_velocity.getSingleValuedFAB();
      const BaseFab<Real>& regGrad = a_gradient.getSingleValuedFAB();
      FORT_REGCORRECTTANVEL(CHF_FRA1(regVel,0),
                            CHF_CONST_FRA1(regGrad,0),
                            CHF_BOX(interiorFaceBox),
                            CHF_INT(velDir),
                            CHF_INT(gradDir));
    }

  //do only irregular and boundary cells pointwise
  IntVectSet ivsIrreg = a_ebisBox.getIrregIVS(a_grid);
  IntVectSet ivsGrid(a_grid);
  ivsGrid -= interiorBox;
  ivsGrid |= ivsIrreg;
  FaceIterator faceit(ivsGrid, a_ebisBox.getEBGraph(), velDir, FaceStop::SurroundingWithBoundary);
  for (faceit.reset(); faceit.ok(); ++faceit)
    {
      //average neighboring grads in grad dir direction
      int numGrads = 0;
      Real gradAve = 0.0;
      const FaceIndex& velFace = faceit();
      for (SideIterator sitVel; sitVel.ok(); ++sitVel)
        {
          const VolIndex& vofSide = velFace.getVoF(sitVel());
          const IntVect&   ivSide = vofSide.gridIndex();
          //do not include stuff over coarse-fine interface and inside the domain
          //cfivs includes cells just outside domain
          if (!a_cfivs.contains(ivSide) && domainBox.contains(ivSide))
            {
              for (SideIterator sitGrad; sitGrad.ok(); ++sitGrad)
                {
                  Vector<FaceIndex> gradFaces = a_ebisBox.getFaces(vofSide, gradDir, sitGrad());
                  for (int iface = 0; iface < gradFaces.size(); iface++)
                    {
                      if (!gradFaces[iface].isBoundary())
                        {
                          numGrads++;
                          gradAve += a_gradient(gradFaces[iface], 0);
                        }
                    }
                }//end loop over gradient sides
            }//end cfivs check
          else
            {
              // inside coarse/fine interface or at domain boundary. extrapolate from neighboring vofs to get the gradient
              const Side::LoHiSide inSide    = flip(sitVel());
              const VolIndex&      inSideVof = velFace.getVoF(inSide);
              const IntVect&       inSideIV  = inSideVof.gridIndex();

              IntVect inSideFarIV = inSideIV;
              inSideFarIV[velDir] += sign(inSide);
              if (domainBox.contains(inSideIV) && domainBox.contains(inSideFarIV))
                {
                  Vector<VolIndex> farVofs = a_ebisBox.getVoFs(inSideFarIV);
                  if (farVofs.size()  == 1)
                    {
                      const VolIndex& inSideFarVof = farVofs[0];
                      for (SideIterator sitGrad; sitGrad.ok(); ++sitGrad)
                        {
                          //get the grad for the face adjoining inSideVof on the sitGrad side, in the gradDir direction
                          Vector<FaceIndex> gradFaces    = a_ebisBox.getFaces(inSideVof   , gradDir, sitGrad());
                          Vector<FaceIndex> gradFarFaces = a_ebisBox.getFaces(inSideFarVof, gradDir, sitGrad());
                          if ( (gradFaces.size() == 1) && (gradFarFaces.size() == 1) )
                            {
                              // if ( (!gradFaces[0].isBoundary()) && (!gradFarFaces[0].isBoundary()) )
                              //   {
                                  const Real& inSideGrad    = a_gradient(gradFaces[0], 0);
//.........这里部分代码省略.........
开发者ID:rsnemmen,项目名称:Chombo,代码行数:101,代码来源:EBCompositeMACProjector.cpp


注:本文中的EBISBox::getVoFs方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。