ERF
Energy Research and Forecasting: An Atmospheric Modeling Code
ERF_UpdateRhoQtSources_Bomex.H
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1  ParmParse pp_prob("prob");
2 
3  Real advection_moisture_rate = zero; pp_prob.query("advection_moisture_rate", advection_moisture_rate);
4  Real moisture_cutoff = amrex::Real(500.0); pp_prob.query("moisture_source_cutoff", moisture_cutoff);
5  Real moisture_cutoff_transition = amrex::Real(50.0); pp_prob.query("moisture_source_cutoff_transition", moisture_cutoff_transition);
6 
7  // Only apply moisture source below nominal inversion height
8  for (MFIter mfi(*qsrc, TilingIfNotGPU()); mfi.isValid(); ++mfi)
9  {
10  const auto &box = mfi.tilebox();
11  const Array4<Real>& qsrc_arr = qsrc->array(mfi);
12  if (box.length(0) == 1)
13  {
14  ParallelFor(box, [=] AMREX_GPU_DEVICE (int i, int j, int k) {
15  const Real z_cc = d_zlevels_arr[k];
16  if (z_cc < moisture_cutoff) {
17  qsrc_arr(i, j, k) = advection_moisture_rate;
18  } else if (z_cc < moisture_cutoff+moisture_cutoff_transition) {
19  Real slope = -advection_moisture_rate / moisture_cutoff_transition;
20  qsrc_arr(i, j, k) = (z_cc-moisture_cutoff) * slope + advection_moisture_rate;
21  } else {
22  qsrc_arr(i, j, k) = zero;
23  }
24  });
25  }
26  }
zero
constexpr amrex::Real zero
Definition: ERF_Constants.H:6
ParallelFor
ParallelFor(bx, [=] AMREX_GPU_DEVICE(int i, int j, int k) noexcept { const Real *dx=geomdata.CellSize();const Real x=(i+0.5) *dx[0];const Real y=(j+0.5) *dx[1];const Real Omg=erf_vortex_Gaussian(x, y, xc, yc, R, beta, sigma);const Real deltaT=-(gamma - 1.0)/(2.0 *sigma *sigma) *Omg *Omg;const Real rho_norm=std::pow(1.0+deltaT, inv_gm1);const Real T=(1.0+deltaT) *T_inf;const Real p=std::pow(rho_norm, Gamma)/Gamma *rho_0 *a_inf *a_inf;const Real rho_theta=rho_0 *rho_norm *(T *std::pow(p_0/p, rdOcp));state_pert(i, j, k, RhoTheta_comp)=rho_theta - getRhoThetagivenP(p_hse(i, j, k));const Real r2d_xy=std::sqrt((x-xc) *(x-xc)+(y-yc) *(y-yc));state_pert(i, j, k, RhoScalar_comp)=0.25 *(1.0+std::cos(PI *std::min(r2d_xy, R)/R));})
Real
amrex::Real Real
Definition: ERF_ShocInterface.H:19
moisture_cutoff
Real moisture_cutoff
Definition: ERF_UpdateRhoQtSources_Bomex.H:4
pp_prob
ParmParse pp_prob("prob")
moisture_cutoff_transition
Real moisture_cutoff_transition
Definition: ERF_UpdateRhoQtSources_Bomex.H:5
advection_moisture_rate
Real advection_moisture_rate
Definition: ERF_UpdateRhoQtSources_Bomex.H:3