C++ (Cpp) GET_ELEMENT_CACHE Beispiele

Beispiel #1

Datei: dendrites_growth.cpp Projekt: qixinbo/paper_notes

void App::init_element_cache()
{
  if(element_cache!=NULL) 
  delete element_cache; element_cache=NULL;
  element_cache=new std::vector<ElementCache<double,DIM> > (fem_space->n_element());
  //element_cache->resize(fem_space->n_element());

  fe_space_t::ElementIterator 
    the_ele = fem_space->beginElement(),
    end_ele = fem_space->endElement();
  for (;the_ele != end_ele;++ the_ele) 
  {
    GET_ELEMENT_CACHE(*the_ele);
    GeometryBM & geo=the_ele->geometry();
    u_int acc=3;
    uint n_vtx=geo.n_vertex();
    if(n_vtx==3) acc=5;
    else acc=3;
    double tmp_vol = the_ele->templateElement().volume();
    const QuadratureInfo<DIM>& qi = the_ele->findQuadratureInfo(acc);
    n_q_pnt = qi.n_quadraturePoint();
    std::vector<double> jacobian = the_ele->local_to_global_jacobian(qi.quadraturePoint());
    q_pnt = the_ele->local_to_global(qi.quadraturePoint());
    bas_val = the_ele->basis_function_value(q_pnt);
    bas_grad = the_ele->basis_function_gradient(q_pnt);
    ele_dof = the_ele->dof();
    vol =0;
    Jxw.resize(n_q_pnt);
    for (int l = 0;l < n_q_pnt;l ++) 
    {
      Jxw[l] = tmp_vol*jacobian[l]*qi.weight(l);
      vol += Jxw[l];
    }
  }
}

Beispiel #2

Datei: SCL.cpp Projekt: volterra-luo/z-afepack

void SCL::init_element_cache()
{
  element_cache.resize(fem_space->n_element());

  fe_space_t::ElementIterator 
    the_ele = fem_space->beginElement(),
    end_ele = fem_space->endElement();
  for (;the_ele != end_ele;++ the_ele) {
    GET_ELEMENT_CACHE(*the_ele);

    double tmp_vol = the_ele->templateElement().volume();
    const QuadratureInfo<DIM>& qi = the_ele->findQuadratureInfo(1);
    n_q_pnt = qi.n_quadraturePoint();
    std::vector<double> jacobian = the_ele->local_to_global_jacobian(qi.quadraturePoint());
    q_pnt = the_ele->local_to_global(qi.quadraturePoint());
    bas_val = the_ele->basis_function_value(q_pnt);

    vol = 0;
    Jxw.resize(n_q_pnt);
    for (int l = 0;l < n_q_pnt;l ++) {
      Jxw[l] = tmp_vol*jacobian[l]*qi.weight(l);
      vol += Jxw[l];
    }
  }
}