Exemplo n.º 1
0
const VariableSecond &
Coupleable::coupledSecondPreviousNL(const std::string & var_name, unsigned int comp)
{
  if (!isCoupled(var_name)) // Return default 0
    return _default_second;

  _c_fe_problem.needsPreviousNewtonIteration(true);
  coupledCallback(var_name, true);
  if (_nodal)
    mooseError("Nodal variables do not have second derivatives");

  MooseVariable * var = getVar(var_name, comp);
  if (!_coupleable_neighbor)
    return var->secondSlnPreviousNL();
  else
    return var->secondSlnPreviousNLNeighbor();
}