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WIP: Generalize wind farm parametrization (#1511)
* Generalizing Fitch * WIP: Generalizing Fitch * Minor changes * Reverting changes for inputs * Remove unwanted function * Adding ifdef to plotfile * Some minor changes to comments * Adding params to inputs * Adding params to inputs --------- Co-authored-by: Mahesh Natarajan <[email protected]> Co-authored-by: Aaron M. Lattanzi <[email protected]>
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| # ------------------ INPUTS TO MAIN PROGRAM ------------------- | ||
| max_step = 10 | ||
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| amrex.fpe_trap_invalid = 1 | ||
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| fabarray.mfiter_tile_size = 1024 1024 1024 | ||
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| # PROBLEM SIZE & GEOMETRY | ||
| erf.windfarm_type = "Fitch" | ||
| erf.latitude_lo = 35.0 | ||
| erf.longitude_lo = -100.0 | ||
| geometry.prob_extent = 534000 389000 20000 | ||
| amr.n_cell = 32 32 64 | ||
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| #erf.grid_stretching_ratio = 1.025 | ||
| #erf.initial_dz = 16.0 | ||
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| geometry.is_periodic = 0 0 0 | ||
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| # MOST BOUNDARY (DEFAULT IS ADIABATIC FOR THETA) | ||
| #zlo.type = "MOST" | ||
| #erf.most.z0 = 0.1 | ||
| #erf.most.zref = 8.0 | ||
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| zlo.type = "SlipWall" | ||
| zhi.type = "SlipWall" | ||
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| xlo.type = "Outflow" | ||
| xhi.type = "Outflow" | ||
| ylo.type = "Outflow" | ||
| yhi.type = "Outflow" | ||
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| # TIME STEP CONTROL | ||
| erf.fixed_dt = 0.005 # fixed time step depending on grid resolution | ||
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| # DIAGNOSTICS & VERBOSITY | ||
| erf.sum_interval = 1 # timesteps between computing mass | ||
| erf.v = 1 # verbosity in ERF.cpp | ||
| amr.v = 1 # verbosity in Amr.cpp | ||
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| # REFINEMENT / REGRIDDING | ||
| amr.max_level = 0 # maximum level number allowed | ||
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| # CHECKPOINT FILES | ||
| erf.check_file = chk # root name of checkpoint file | ||
| erf.check_int = -1 # number of timesteps between checkpoints | ||
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| # PLOTFILES | ||
| erf.plot_file_1 = plt # prefix of plotfile name | ||
| erf.plot_int_1 = 1000 # number of timesteps between plotfiles | ||
| erf.plot_vars_1 = density rhoadv_0 x_velocity y_velocity z_velocity pressure temp theta QKE num_turb | ||
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| # SOLVER CHOICE | ||
| erf.alpha_T = 0.0 | ||
| erf.alpha_C = 1.0 | ||
| erf.use_gravity = false | ||
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| erf.molec_diff_type = "None" | ||
| erf.les_type = "None" | ||
| erf.Cs = 1.5 | ||
| erf.dynamicViscosity = 0.0 | ||
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| erf.pbl_type = "None" | ||
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| erf.init_type = "uniform" | ||
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| # PROBLEM PARAMETERS | ||
| prob.rho_0 = 1.0 | ||
| prob.A_0 = 1.0 | ||
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| prob.U_0 = 10.0 | ||
| prob.V_0 = 10.0 | ||
| prob.W_0 = 0.0 | ||
| prob.T_0 = 300.0 | ||
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| Original file line number | Diff line number | Diff line change |
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| /** | ||
| * \file ERF_init_windfarm.cpp | ||
| */ | ||
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| #include <ERF.H> | ||
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| using namespace amrex; | ||
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| /** | ||
| * Read in the turbine locations in latitude-longitude from windturbines.txt | ||
| * and convert it into x and y coordinates in metres | ||
| * | ||
| * @param lev Integer specifying the current level | ||
| */ | ||
| void | ||
| ERF::init_windfarm (int lev) | ||
| { | ||
| // Read turbine locations from windturbines.txt | ||
| FILE *file_windturbines; | ||
| file_windturbines = fopen("windturbines.txt","r"); | ||
| std::ifstream file("windturbines.txt"); | ||
| if (!file.is_open()) { | ||
| amrex::Error("Wind turbines location file windturbines.txt not found"); | ||
| } | ||
| // Vector of vectors to store the matrix | ||
| std::vector<Real> lat, lon, xloc, yloc; | ||
| Real value1, value2, value3; | ||
| while (file >> value1 >> value2 >> value3) { | ||
| lat.push_back(value1); | ||
| lon.push_back(value2); | ||
| } | ||
| file.close(); | ||
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| Real rad_earth = 6371.0e3; // Radius of the earth | ||
| Real lat_lo = solverChoice.latitude_lo*M_PI/180.0; | ||
| Real lon_lo = solverChoice.longitude_lo*M_PI/180.0; | ||
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| // (lat_lo, lon_lo) is mapped to (0,0) | ||
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| for(int it=0;it<lat.size();it++){ | ||
| lat[it] = lat[it]*M_PI/180.0; | ||
| lon[it] = lon[it]*M_PI/180.0; | ||
| Real delta_lat = (lat[it] - lat_lo); | ||
| Real delta_lon = (lon[it] - lon_lo); | ||
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| Real term1 = std::pow(sin(delta_lat/2.0),2); | ||
| Real term2 = cos(lat[it])*cos(lat_lo)*std::pow(sin(delta_lon/2.0),2); | ||
| Real dist = 2.0*rad_earth*std::asin(std::sqrt(term1 + term2)); | ||
| Real dy_turb = (lat[it] - lat_lo) * 111000.0 * 180.0/M_PI ; | ||
| yloc.push_back(dy_turb); | ||
| Real dx_turb = std::sqrt(std::pow(dist,2) - std::pow(dy_turb,2)); | ||
| xloc.push_back(dx_turb); | ||
| } | ||
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| // Write out a vtk file for turbine locations | ||
| if (ParallelDescriptor::IOProcessor()){ | ||
| FILE* file_turbloc_vtk; | ||
| file_turbloc_vtk = fopen("turbine_locations.vtk","w"); | ||
| fprintf(file_turbloc_vtk, "%s\n","# vtk DataFile Version 3.0"); | ||
| fprintf(file_turbloc_vtk, "%s\n","Wind turbine locations"); | ||
| fprintf(file_turbloc_vtk, "%s\n","ASCII"); | ||
| fprintf(file_turbloc_vtk, "%s\n","DATASET POLYDATA"); | ||
| fprintf(file_turbloc_vtk, "%s %ld %s\n", "POINTS", xloc.size(), "float"); | ||
| for(int it=0; it<xloc.size(); it++){ | ||
| fprintf(file_turbloc_vtk, "%0.15g %0.15g %0.15g\n", xloc[it], yloc[it], 1e-12); | ||
| } | ||
| fclose(file_turbloc_vtk); | ||
| } | ||
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| Nturb[lev].setVal(0); | ||
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| int i_lo = geom[lev].Domain().smallEnd(0); int i_hi = geom[lev].Domain().bigEnd(0); | ||
| int j_lo = geom[lev].Domain().smallEnd(1); int j_hi = geom[lev].Domain().bigEnd(1); | ||
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| // Initialize wind farm | ||
| for ( MFIter mfi(Nturb[lev],TilingIfNotGPU()); mfi.isValid(); ++mfi) { | ||
| const Box& bx = mfi.tilebox(); | ||
| auto Nturb_array = Nturb[lev].array(mfi); | ||
| ParallelFor(bx, [=] AMREX_GPU_DEVICE(int i, int j, int k) noexcept { | ||
| int li = amrex::min(amrex::max(i, i_lo), i_hi); | ||
| int lj = amrex::min(amrex::max(j, j_lo), j_hi); | ||
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| auto dx = geom[lev].CellSizeArray(); | ||
| Real x1 = li*dx[0], x2 = (li+1)*dx[0]; | ||
| Real y1 = lj*dx[1], y2 = (lj+1)*dx[1]; | ||
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| for(int it=0; it<xloc.size(); it++){ | ||
| if( xloc[it]+1e-12 > x1 and xloc[it]+1e-12 < x2 and | ||
| yloc[it]+1e-12 > y1 and yloc[it]+1e-12 < y2){ | ||
| Nturb_array(i,j,k,0) = Nturb_array(i,j,k,0) + 1; | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| } | ||
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