Exemplo n.º 1
0
// hide the original parental method AMET->evalModelImpl():
void
Aeras::HVDecorator::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{
#ifdef OUTPUT_TO_SCREEN
  std::cout << "DEBUG WHICH HVDecorator: " << __PRETTY_FUNCTION__ << "\n";
#endif
	
  Teuchos::TimeMonitor Timer(*timer); //start timer

  //
  // Get the input arguments
  //
  // Thyra vectors
  const Teuchos::RCP<const Thyra_Vector> x = inArgsT.get_x();
  const Teuchos::RCP<const Thyra_Vector> x_dot =
      (supports_xdot ? inArgsT.get_x_dot() : Teuchos::null);
  const Teuchos::RCP<const Thyra_Vector> x_dotdot =
      (supports_xdotdot ? inArgsT.get_x_dot_dot() : Teuchos::null);

  const double alpha = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_alpha() : 0.0;
  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  // const double omega = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_omega() : 0.0;
  const double omega = 0.0;
  const double beta = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dot) || Teuchos::nonnull(x_dotdot)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra_Vector> p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = Albany::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  auto f    = outArgsT.get_f();
  auto W_op = outArgsT.get_W_op();

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op)) {
    app->computeGlobalJacobian(
        alpha, beta, omega, curr_time, x, x_dot, x_dotdot,
        sacado_param_vec, f, W_op);
    f_already_computed = true;
  }

  // df/dp
  for (int l = 0; l < outArgsT.Np(); ++l) {
    const Teuchos::RCP<Thyra_MultiVector> df_dp = outArgsT.get_DfDp(l).getMultiVector();

    if (Teuchos::nonnull(df_dp)) {
      const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);

      app->computeGlobalTangent(
          0.0, 0.0, 0.0, curr_time, false, x, x_dot, x_dotdot,
          sacado_param_vec, p_vec.get(),
          Teuchos::null, Teuchos::null, Teuchos::null, Teuchos::null,
          f, Teuchos::null, df_dp);

      f_already_computed = true;
    }
  }

  // f
  if (app->is_adjoint) {
    const Thyra_Derivative f_deriv(f, Thyra::ModelEvaluatorBase::DERIV_TRANS_MV_BY_ROW);
    const Thyra_Derivative dummy_deriv;

    const int response_index = 0; // need to add capability for sending this in
    app->evaluateResponseDerivative(
        response_index, curr_time, x, x_dot, x_dotdot,
        sacado_param_vec, NULL,
        Teuchos::null, f_deriv, dummy_deriv, dummy_deriv, dummy_deriv);
  } else {
    if (Teuchos::nonnull(f) && !f_already_computed) {
      app->computeGlobalResidual(
          curr_time, x, x_dot, x_dotdot,
          sacado_param_vec, f);
    }
  }

  //compute xtilde 
  applyLinvML(x, xtilde); 

#ifdef WRITE_TO_MATRIX_MARKET_TO_MM_FILE
  //writing to MatrixMarket for debug
  char name[100];  //create string for file name
  sprintf(name, "xT_%i.mm", mm_counter);
  const Teuchos::RCP<const Tpetra_Vector> xT = Albany::getConstTpetraVector(x);
  Tpetra::MatrixMarket::Writer<Tpetra_CrsMatrix>::writeDenseFile(name, xT);
  sprintf(name, "xtildeT_%i.mm", mm_counter);
  const Teuchos::RCP<const Tpetra_Vector> xtildeT = Albany::getConstTpetraVector(xtilde);
  Tpetra::MatrixMarket::Writer<Tpetra_CrsMatrix>::writeDenseFile(name, xtildeT);
  mm_counter++; 
#endif  

  if (supports_xdot && Teuchos::nonnull(inArgsT.get_x_dot()) && Teuchos::nonnull(f)){
#ifdef OUTPUT_TO_SCREEN
    std::cout <<"in the if-statement for the update" <<std::endl;
#endif
    f->update(1.0,*xtilde);
  }

  // Response functions
  for (int j = 0; j < outArgsT.Ng(); ++j) {
    Teuchos::RCP<Thyra_Vector> g = outArgsT.get_g(j);

    const Thyra_Derivative dg_dx = outArgsT.get_DgDx(j);
    const Thyra_Derivative dg_dxdot = outArgsT.get_DgDx_dot(j);
    // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
    const Thyra_Derivative dg_dxdotdot;
    sanitize_nans(dg_dx);
    sanitize_nans(dg_dxdot);
    sanitize_nans(dg_dxdotdot);

    // dg/dx, dg/dxdot
    if (!dg_dx.isEmpty() || !dg_dxdot.isEmpty()) {
      const Thyra_Derivative dummy_deriv;
      app->evaluateResponseDerivative(
          j, curr_time, x, x_dot, x_dotdot,
          sacado_param_vec, NULL,
          g, dg_dx, dg_dxdot, dg_dxdotdot, dummy_deriv);
      // Set g to null to indicate the response was evaluated.
      g= Teuchos::null;
    }

    // dg/dp
    for (int l = 0; l < outArgsT.Np(); ++l) {
      const Teuchos::RCP<Thyra_MultiVector> dg_dp =  outArgsT.get_DgDp(j, l).getMultiVector();

      if (Teuchos::nonnull(dg_dp)) {
        const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);
        app->evaluateResponseTangent(
            j, alpha, beta, omega, curr_time, false,
            x, x_dot, x_dotdot, sacado_param_vec, p_vec.get(),
            Teuchos::null, Teuchos::null, Teuchos::null, Teuchos::null,
            g, Teuchos::null, dg_dp);
        g = Teuchos::null;
      }
    }

    // If response was not yet evaluated, do it now.
    if (Teuchos::nonnull(g)) {
      app->evaluateResponse(
          j, curr_time,
          x, x_dot, x_dotdot,
          sacado_param_vec, g);
    }
  }
}
Exemplo n.º 2
0
void
Albany::ModelEvaluatorT::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{

  #ifdef OUTPUT_TO_SCREEN
    std::cout << "DEBUG: " << __PRETTY_FUNCTION__ << "\n";
  #endif

  Teuchos::TimeMonitor Timer(*timer); //start timer
  //
  // Get the input arguments
  //
  const Teuchos::RCP<const Tpetra_Vector> xT =
    ConverterT::getConstTpetraVector(inArgsT.get_x());

  const Teuchos::RCP<const Tpetra_Vector> x_dotT =
    (supports_xdot && Teuchos::nonnull(inArgsT.get_x_dot())) ?
    ConverterT::getConstTpetraVector(inArgsT.get_x_dot()) :
    Teuchos::null;


  const Teuchos::RCP<const Tpetra_Vector> x_dotdotT =
    (supports_xdotdot && Teuchos::nonnull(this->get_x_dotdot())) ?
    ConverterT::getConstTpetraVector(this->get_x_dotdot()) :
    Teuchos::null;

  const double alpha = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_alpha() : 0.0;
  const double omega = Teuchos::nonnull(x_dotdotT) ? this->get_omega() : 0.0;
  const double beta = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra::VectorBase<ST> > p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = ConverterT::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  const Teuchos::RCP<Tpetra_Vector> fT_out =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;

  const Teuchos::RCP<Tpetra_Operator> W_op_outT =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_Operator> Mass =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;
  //IK, 4/24/15: needed for writing mass matrix out to matrix market file
  const Teuchos::RCP<Tpetra_Vector> ftmp =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;
#endif

  // Cast W to a CrsMatrix, throw an exception if this fails
  const Teuchos::RCP<Tpetra_CrsMatrix> W_op_out_crsT =
    Teuchos::nonnull(W_op_outT) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(W_op_outT, true) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_CrsMatrix> Mass_crs =
    Teuchos::nonnull(Mass) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(Mass, true) :
    Teuchos::null;
#endif

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op_out_crsT)) {
    app->computeGlobalJacobianT(
        alpha, beta, omega, curr_time, x_dotT.get(), x_dotdotT.get(),  *xT,
        sacado_param_vec, fT_out.get(), *W_op_out_crsT);
    f_already_computed = true;
#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
    //IK, 4/24/15: write mass matrix to matrix market file
    //Warning: to read this in to MATLAB correctly, code must be run in serial.
    //Otherwise Mass will have a distributed Map which would also need to be read in to MATLAB for proper
    //reading in of Mass.
    app->computeGlobalJacobianT(1.0, 0.0, 0.0, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
                               sacado_param_vec, ftmp.get(), *Mass_crs);
    Tpetra_MatrixMarket_Writer::writeSparseFile("mass.mm", Mass_crs);
    Tpetra_MatrixMarket_Writer::writeMapFile("rowmap.mm", *Mass_crs->getRowMap());
    Tpetra_MatrixMarket_Writer::writeMapFile("colmap.mm", *Mass_crs->getColMap());
#endif
  }

  // df/dp
  for (int l = 0; l < outArgsT.Np(); ++l) {
    const Teuchos::RCP<Thyra::MultiVectorBase<ST> > dfdp_out =
      outArgsT.get_DfDp(l).getMultiVector();

    const Teuchos::RCP<Tpetra_MultiVector> dfdp_outT =
      Teuchos::nonnull(dfdp_out) ?
      ConverterT::getTpetraMultiVector(dfdp_out) :
      Teuchos::null;

    if (Teuchos::nonnull(dfdp_outT)) {
      const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);

      app->computeGlobalTangentT(
          0.0, 0.0, 0.0, curr_time, false, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, p_vec.get(),
          NULL, NULL, NULL, NULL, fT_out.get(), NULL,
          dfdp_outT.get());

      f_already_computed = true;
    }
  }

  // f
  if (app->is_adjoint) {
    const Thyra::ModelEvaluatorBase::Derivative<ST> f_derivT(
        outArgsT.get_f(),
        Thyra::ModelEvaluatorBase::DERIV_TRANS_MV_BY_ROW);

    const Thyra::ModelEvaluatorBase::Derivative<ST> dummy_derivT;

    const int response_index = 0; // need to add capability for sending this in
    app->evaluateResponseDerivativeT(
        response_index, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
        sacado_param_vec, NULL,
        NULL, f_derivT, dummy_derivT, dummy_derivT, dummy_derivT);
  } else {
    if (Teuchos::nonnull(fT_out) && !f_already_computed) {
      app->computeGlobalResidualT(
          curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, *fT_out);
    }
  }

  // Response functions
  for (int j = 0; j < outArgsT.Ng(); ++j) {
    const Teuchos::RCP<Thyra::VectorBase<ST> > g_out = outArgsT.get_g(j);
    Teuchos::RCP<Tpetra_Vector> gT_out =
      Teuchos::nonnull(g_out) ?
      ConverterT::getTpetraVector(g_out) :
      Teuchos::null;

    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxT_out = outArgsT.get_DgDx(j);
    Thyra::ModelEvaluatorBase::Derivative<ST> dgdxdotT_out;

    if(supports_xdot)
      dgdxdotT_out = outArgsT.get_DgDx_dot(j);

//    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxdotdotT_out = this->get_DgDx_dotdot(j);
    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxdotdotT_out;

    sanitize_nans(dgdxT_out);
    sanitize_nans(dgdxdotT_out);
    sanitize_nans(dgdxdotdotT_out);

    // dg/dx, dg/dxdot
    if (!dgdxT_out.isEmpty() || !dgdxdotT_out.isEmpty()) {
      const Thyra::ModelEvaluatorBase::Derivative<ST> dummy_derivT;
      app->evaluateResponseDerivativeT(
          j, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, NULL,
          gT_out.get(), dgdxT_out,
          dgdxdotT_out, dgdxdotdotT_out, dummy_derivT);
      // Set gT_out to null to indicate that g_out was evaluated.
      gT_out = Teuchos::null;
    }

    // dg/dp
    for (int l = 0; l < outArgsT.Np(); ++l) {
      const Teuchos::RCP<Thyra::MultiVectorBase<ST> > dgdp_out =
        outArgsT.get_DgDp(j, l).getMultiVector();
      const Teuchos::RCP<Tpetra_MultiVector> dgdpT_out =
        Teuchos::nonnull(dgdp_out) ?
        ConverterT::getTpetraMultiVector(dgdp_out) :
        Teuchos::null;

      if (Teuchos::nonnull(dgdpT_out)) {
        const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);
        app->evaluateResponseTangentT(
            j, alpha, beta, omega, curr_time, false,
            x_dotT.get(), x_dotdotT.get(), *xT,
            sacado_param_vec, p_vec.get(),
            NULL, NULL, NULL, NULL, gT_out.get(), NULL,
            dgdpT_out.get());
        gT_out = Teuchos::null;
      }
    }

    if (Teuchos::nonnull(gT_out)) {
      app->evaluateResponseT(
          j, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, *gT_out);
    }
  }

}
Exemplo n.º 3
0
// hide the original parental method AMET->evalModelImpl():
void
Aeras::HVDecorator::evalModelImpl(
    const Thyra::ModelEvaluatorBase::InArgs<ST>& inArgsT,
    const Thyra::ModelEvaluatorBase::OutArgs<ST>& outArgsT) const
{

  std::cout << "DEBUG WHICH HVDecorator: " << __PRETTY_FUNCTION__ << "\n";
	
  Teuchos::TimeMonitor Timer(*timer); //start timer
  //
  // Get the input arguments
  //
  const Teuchos::RCP<const Tpetra_Vector> xT =
    ConverterT::getConstTpetraVector(inArgsT.get_x());

  const Teuchos::RCP<const Tpetra_Vector> x_dotT =
    Teuchos::nonnull(inArgsT.get_x_dot()) ?
    ConverterT::getConstTpetraVector(inArgsT.get_x_dot()) :
    Teuchos::null;

  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  //const Teuchos::RCP<const Tpetra_Vector> x_dotdotT =
  //  Teuchos::nonnull(inArgsT.get_x_dotdot()) ?
  //  ConverterT::getConstTpetraVector(inArgsT.get_x_dotdot()) :
  //  Teuchos::null;
  const Teuchos::RCP<const Tpetra_Vector> x_dotdotT = Teuchos::null;


  const double alpha = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_alpha() : 0.0;
  // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
  // const double omega = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_omega() : 0.0;
  const double omega = 0.0;
  const double beta = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_beta() : 1.0;
  const double curr_time = (Teuchos::nonnull(x_dotT) || Teuchos::nonnull(x_dotdotT)) ? inArgsT.get_t() : 0.0;

  for (int l = 0; l < inArgsT.Np(); ++l) {
    const Teuchos::RCP<const Thyra::VectorBase<ST> > p = inArgsT.get_p(l);
    if (Teuchos::nonnull(p)) {
      const Teuchos::RCP<const Tpetra_Vector> pT = ConverterT::getConstTpetraVector(p);
      const Teuchos::ArrayRCP<const ST> pT_constView = pT->get1dView();

      ParamVec &sacado_param_vector = sacado_param_vec[l];
      for (unsigned int k = 0; k < sacado_param_vector.size(); ++k) {
        sacado_param_vector[k].baseValue = pT_constView[k];
      }
    }
  }

  //
  // Get the output arguments
  //
  const Teuchos::RCP<Tpetra_Vector> fT_out =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;

  const Teuchos::RCP<Tpetra_Operator> W_op_outT =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_Operator> Mass =
    Teuchos::nonnull(outArgsT.get_W_op()) ?
    ConverterT::getTpetraOperator(outArgsT.get_W_op()) :
    Teuchos::null;
  //IK, 4/24/15: needed for writing mass matrix out to matrix market file
  const Teuchos::RCP<Tpetra_Vector> ftmp =
    Teuchos::nonnull(outArgsT.get_f()) ?
    ConverterT::getTpetraVector(outArgsT.get_f()) :
    Teuchos::null;
#endif

  // Cast W to a CrsMatrix, throw an exception if this fails
  const Teuchos::RCP<Tpetra_CrsMatrix> W_op_out_crsT =
    Teuchos::nonnull(W_op_outT) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(W_op_outT, true) :
    Teuchos::null;

#ifdef WRITE_MASS_MATRIX_TO_MM_FILE
  //IK, 4/24/15: adding object to hold mass matrix to be written to matrix market file
  const Teuchos::RCP<Tpetra_CrsMatrix> Mass_crs =
    Teuchos::nonnull(Mass) ?
    Teuchos::rcp_dynamic_cast<Tpetra_CrsMatrix>(Mass, true) :
    Teuchos::null;
#endif

  //
  // Compute the functions
  //
  bool f_already_computed = false;

  // W matrix
  if (Teuchos::nonnull(W_op_out_crsT)) {
    app->computeGlobalJacobianT(
        alpha, beta, omega, curr_time, x_dotT.get(), x_dotdotT.get(),  *xT,
        sacado_param_vec, fT_out.get(), *W_op_out_crsT);
    f_already_computed = true;
  }

  // df/dp
  for (int l = 0; l < outArgsT.Np(); ++l) {
    const Teuchos::RCP<Thyra::MultiVectorBase<ST> > dfdp_out =
      outArgsT.get_DfDp(l).getMultiVector();

    const Teuchos::RCP<Tpetra_MultiVector> dfdp_outT =
      Teuchos::nonnull(dfdp_out) ?
      ConverterT::getTpetraMultiVector(dfdp_out) :
      Teuchos::null;

    if (Teuchos::nonnull(dfdp_outT)) {
      const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);

      app->computeGlobalTangentT(
          0.0, 0.0, 0.0, curr_time, false, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, p_vec.get(),
          NULL, NULL, NULL, NULL, fT_out.get(), NULL,
          dfdp_outT.get());

      f_already_computed = true;
    }
  }

  // f
  if (app->is_adjoint) {
    const Thyra::ModelEvaluatorBase::Derivative<ST> f_derivT(
        outArgsT.get_f(),
        Thyra::ModelEvaluatorBase::DERIV_TRANS_MV_BY_ROW);

    const Thyra::ModelEvaluatorBase::Derivative<ST> dummy_derivT;

    const int response_index = 0; // need to add capability for sending this in
    app->evaluateResponseDerivativeT(
        response_index, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
        sacado_param_vec, NULL,
        NULL, f_derivT, dummy_derivT, dummy_derivT, dummy_derivT);
  } else {
    if (Teuchos::nonnull(fT_out) && !f_already_computed) {
      app->computeGlobalResidualT(
          curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, *fT_out);
    }
  }

  Teuchos::RCP<Tpetra_Vector> xtildeT = Teuchos::rcp(new Tpetra_Vector(xT->getMap())); 
  //compute xtildeT 
  applyLinvML(xT, xtildeT); 

#ifdef WRITE_TO_MATRIX_MARKET
  //writing to MatrixMarket for debug
  char name[100];  //create string for file name
  sprintf(name, "xT_%i.mm", mm_counter);
  Tpetra_MatrixMarket_Writer::writeDenseFile(name, xT);
  sprintf(name, "xtildeT_%i.mm", mm_counter);
  Tpetra_MatrixMarket_Writer::writeDenseFile(name, xtildeT);
  mm_counter++; 
#endif  

  //std::cout <<"in HVDec evalModelImpl a, b= " << alpha << "  "<< beta <<std::endl;

  if(Teuchos::nonnull(inArgsT.get_x_dot())){
	  std::cout <<"in the if-statement for the update" <<std::endl;
	  fT_out->update(1.0, *xtildeT, 1.0);
  }

  // Response functions
  for (int j = 0; j < outArgsT.Ng(); ++j) {
    const Teuchos::RCP<Thyra::VectorBase<ST> > g_out = outArgsT.get_g(j);
    Teuchos::RCP<Tpetra_Vector> gT_out =
      Teuchos::nonnull(g_out) ?
      ConverterT::getTpetraVector(g_out) :
      Teuchos::null;

    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxT_out = outArgsT.get_DgDx(j);
    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxdotT_out = outArgsT.get_DgDx_dot(j);
    // AGS: x_dotdot time integrators not imlemented in Thyra ME yet
    const Thyra::ModelEvaluatorBase::Derivative<ST> dgdxdotdotT_out;
    sanitize_nans(dgdxT_out);
    sanitize_nans(dgdxdotT_out);
    sanitize_nans(dgdxdotdotT_out);

    // dg/dx, dg/dxdot
    if (!dgdxT_out.isEmpty() || !dgdxdotT_out.isEmpty()) {
      const Thyra::ModelEvaluatorBase::Derivative<ST> dummy_derivT;
      app->evaluateResponseDerivativeT(
          j, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, NULL,
          gT_out.get(), dgdxT_out,
          dgdxdotT_out, dgdxdotdotT_out, dummy_derivT);
      // Set gT_out to null to indicate that g_out was evaluated.
      gT_out = Teuchos::null;
    }

    // dg/dp
    for (int l = 0; l < outArgsT.Np(); ++l) {
      const Teuchos::RCP<Thyra::MultiVectorBase<ST> > dgdp_out =
        outArgsT.get_DgDp(j, l).getMultiVector();
      const Teuchos::RCP<Tpetra_MultiVector> dgdpT_out =
        Teuchos::nonnull(dgdp_out) ?
        ConverterT::getTpetraMultiVector(dgdp_out) :
        Teuchos::null;

      if (Teuchos::nonnull(dgdpT_out)) {
        const Teuchos::RCP<ParamVec> p_vec = Teuchos::rcpFromRef(sacado_param_vec[l]);
        app->evaluateResponseTangentT(
            j, alpha, beta, omega, curr_time, false,
            x_dotT.get(), x_dotdotT.get(), *xT,
            sacado_param_vec, p_vec.get(),
            NULL, NULL, NULL, NULL, gT_out.get(), NULL,
            dgdpT_out.get());
        gT_out = Teuchos::null;
      }
    }

    if (Teuchos::nonnull(gT_out)) {
      app->evaluateResponseT(
          j, curr_time, x_dotT.get(), x_dotdotT.get(), *xT,
          sacado_param_vec, *gT_out);
    }
  }
}