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C++ SolutionPtr::lagrangeConstraints方法代码示例

本文整理汇总了C++中SolutionPtr::lagrangeConstraints方法的典型用法代码示例。如果您正苦于以下问题:C++ SolutionPtr::lagrangeConstraints方法的具体用法?C++ SolutionPtr::lagrangeConstraints怎么用?C++ SolutionPtr::lagrangeConstraints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SolutionPtr的用法示例。


在下文中一共展示了SolutionPtr::lagrangeConstraints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: main


//.........这里部分代码省略.........

  FunctionPtr u1_prev = Function::solution(u1,solution);
  FunctionPtr u2_prev = Function::solution(u2,solution);

  FunctionPtr u1hat_prev = Function::solution(u1hat,solution);
  FunctionPtr u2hat_prev = Function::solution(u2hat,solution);


  ////////////////////   SOLVE & REFINE   ///////////////////////

  FunctionPtr vorticity = Teuchos::rcp( new PreviousSolutionFunction(solution, - u1->dy() + u2->dx() ) );
  //  FunctionPtr vorticity = Teuchos::rcp( new PreviousSolutionFunction(solution,sigma12 - sigma21) );
  RHSPtr streamRHS = RHS::rhs();
  streamRHS->addTerm(vorticity * q_s);
  ((PreviousSolutionFunction*) vorticity.get())->setOverrideMeshCheck(true);
  ((PreviousSolutionFunction*) u1_prev.get())->setOverrideMeshCheck(true);
  ((PreviousSolutionFunction*) u2_prev.get())->setOverrideMeshCheck(true);

  BCPtr streamBC = BC::bc();
  //  streamBC->addDirichlet(psin_hat, entireBoundary, u0_cross_n);
  streamBC->addDirichlet(phi_hat, entireBoundary, zero);
  //  streamBC->addZeroMeanConstraint(phi);

  IPPtr streamIP = Teuchos::rcp( new IP );
  streamIP->addTerm(q_s);
  streamIP->addTerm(q_s->grad());
  streamIP->addTerm(v_s);
  streamIP->addTerm(v_s->div());
  SolutionPtr streamSolution = Teuchos::rcp( new Solution( streamMesh, streamBC, streamRHS, streamIP ) );

  if (enforceLocalConservation)
  {
    FunctionPtr zero = Function::zero();
    solution->lagrangeConstraints()->addConstraint(u1hat->times_normal_x() + u2hat->times_normal_y()==zero);
    solnIncrement->lagrangeConstraints()->addConstraint(u1hat->times_normal_x() + u2hat->times_normal_y()==zero);
  }

  if (true)
  {
    FunctionPtr u1_incr = Function::solution(u1, solnIncrement);
    FunctionPtr u2_incr = Function::solution(u2, solnIncrement);
    FunctionPtr sigma11_incr = Function::solution(sigma11, solnIncrement);
    FunctionPtr sigma12_incr = Function::solution(sigma12, solnIncrement);
    FunctionPtr sigma21_incr = Function::solution(sigma21, solnIncrement);
    FunctionPtr sigma22_incr = Function::solution(sigma22, solnIncrement);
    FunctionPtr p_incr = Function::solution(p, solnIncrement);

    FunctionPtr l2_incr = u1_incr * u1_incr + u2_incr * u2_incr + p_incr * p_incr
                          + sigma11_incr * sigma11_incr + sigma12_incr * sigma12_incr
                          + sigma21_incr * sigma21_incr + sigma22_incr * sigma22_incr;

    double energyThreshold = 0.20;
    Teuchos::RCP< RefinementStrategy > refinementStrategy = Teuchos::rcp( new RefinementStrategy( solnIncrement, energyThreshold ));

    for (int i=0; i<ReValues.size(); i++)
    {
      double Re = ReValues[i];
      Re_param->setValue(Re);
      if (rank==0) cout << "Solving with Re = " << Re << ":\n";
      double energyErrorTotal;
      do
      {
        double incr_norm;
        do
        {
          problem.iterate(useLineSearch);
开发者ID:CamelliaDPG,项目名称:Camellia,代码行数:67,代码来源:NavierStokesCavityFlowContinuationAdaptive.cpp


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