ERF_DataStruct.H

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#ifndef ERF_DATA_STRUCT_H_
#define ERF_DATA_STRUCT_H_
 
#include <string>
#include <iostream>
 
#include <AMReX_ParmParse.H>
#include <AMReX_Print.H>
#include <AMReX_Gpu.H>
#include <AMReX_Geometry.H>
 
#include <ERF_Constants.H>
#include <ERF_IndexDefines.H>
#include <ERF_AdvStruct.H>
#include <ERF_DiffStruct.H>
#include <ERF_SpongeStruct.H>
#include <ERF_TurbStruct.H>
#include <ERF_TurbPertStruct.H>
 
AMREX_ENUM(ABLDriverType,
    None, PressureGradient, GeostrophicWind
);
 
AMREX_ENUM(CouplingType,
    OneWay, TwoWay
);
 
AMREX_ENUM(SubsteppingType,
    None, Explicit, Implicit
);
 
AMREX_ENUM(MeshType,
    ConstantDz, StretchedDz, VariableDz
);
 
AMREX_ENUM(TerrainType,
    None, Static, Moving
);
 
AMREX_ENUM(MoistureModelType,
    Eulerian, Lagrangian, Undefined
);
 
AMREX_ENUM(MoistureType,
    SAM, SAM_NoIce, SAM_NoPrecip_NoIce, Kessler, Kessler_NoRain, SatAdj, None
);
 
AMREX_ENUM(WindFarmType,
    Fitch, EWP, SimpleAD, GeneralAD, None
);
 
AMREX_ENUM(WindFarmLocType,
    lat_lon, x_y, None
);
 
AMREX_ENUM(LandSurfaceType,
    SLM, MM5, None, NOAH
);
 
AMREX_ENUM(PerturbationType,
    Source, Direct, None
);
 
enum struct Coord {
    x, y, z
};
 
// These are used as integers so must be enum not enum struct
enum Rayleigh {
    ubar, vbar, wbar, thetabar, nvars
};
 
// These are used as integers so must be enum not enum struct
enum Sponge {
    ubar_sponge, vbar_sponge, nvars_sponge
};
 
/**
 * Container holding many of the algorithmic options and parameters
 */
 
struct SolverChoice {
  public:
    void init_params(int max_level)
    {
        amrex::ParmParse pp(pp_prefix);
 
        pp.query("grid_stretching_ratio", grid_stretching_ratio);
        if (grid_stretching_ratio != 0) {
            AMREX_ASSERT_WITH_MESSAGE((grid_stretching_ratio >= 1.),
                                      "The grid stretching ratio must be greater than 1");
        }
        if (grid_stretching_ratio >= 1) {
            if (mesh_type == MeshType::ConstantDz) {
                mesh_type    = MeshType::StretchedDz;
            }
            if (terrain_type != TerrainType::Static) {
                amrex::Print() << "Turning terrain on to enable grid stretching" << std::endl;
                terrain_type = TerrainType::Static;
            }
            pp.query("zsurface", zsurf);
            if (zsurf != 0.0) {
                amrex::Print() << "Nominal zsurface height != 0, may result in unexpected behavior"
                    << std::endl;
            }
            pp.get("initial_dz", dz0);
        }
 
        // Do we set map scale factors to 0.5 instead of 1 for testing?
        pp.query("test_mapfactor", test_mapfactor);
 
        // What type of moisture model to use?
        moisture_type = MoistureType::None; // Default
        pp.query_enum_case_insensitive("moisture_model",moisture_type);
        if (moisture_type == MoistureType::SAM) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
            RhoQr_comp = RhoQ4_comp;
        } else if (moisture_type == MoistureType::SAM_NoIce) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
            RhoQr_comp = RhoQ4_comp;
        } else if (moisture_type == MoistureType::SAM_NoPrecip_NoIce) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
        } else if (moisture_type == MoistureType::Kessler) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
            RhoQr_comp = RhoQ3_comp;
        } else if (moisture_type == MoistureType::Kessler_NoRain) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
        } else if (moisture_type == MoistureType::SatAdj) {
            RhoQv_comp = RhoQ1_comp;
            RhoQc_comp = RhoQ2_comp;
        }
 
        // TODO: should we set default for dry??
        // Set a different default for moist vs dry
        if (moisture_type != MoistureType::None) {
            if (moisture_type == MoistureType::Kessler_NoRain     ||
                moisture_type == MoistureType::SAM                ||
                moisture_type == MoistureType::SAM_NoIce          ||
                moisture_type == MoistureType::SAM_NoPrecip_NoIce ||
                moisture_type == MoistureType::SatAdj)
            {
                buoyancy_type = 1; // uses Rhoprime
            } else {
                buoyancy_type = 2; // uses Tprime
            }
        }
 
        // Which expression (1,2/3 or 4) to use for buoyancy
        pp.query("buoyancy_type", buoyancy_type);
 
        // What type of land surface model to use
        lsm_type = LandSurfaceType::None; // Default
        pp.query_enum_case_insensitive("land_surface_model",lsm_type);
 
        // Is the terrain none, static or moving?
        pp.query_enum_case_insensitive("terrain_type",terrain_type);
 
        if (terrain_type != TerrainType::None) {
            mesh_type = MeshType::VariableDz;
        }
 
        int n_zlevels = pp.countval("terrain_z_levels");
        if (n_zlevels > 0)
        {
            if (terrain_type == TerrainType::None) {
                terrain_type = TerrainType::Static;
            }
            if (mesh_type == MeshType::ConstantDz) {
                mesh_type    = MeshType::StretchedDz;
            }
        }
 
        // Use lagged_delta_rt in the fast integrator?
        pp.query("use_lagged_delta_rt", use_lagged_delta_rt);
 
        // These default to true but are used for unit testing
        pp.query("use_gravity", use_gravity);
        gravity = use_gravity? CONST_GRAV: 0.0;
 
        pp.query("c_p", c_p);
        rdOcp = R_d / c_p;
 
        read_int_string(max_level, "anelastic", anelastic, 0);
 
        // *******************************************************************************
        // Read substepping_type and allow for different values at each level
        // *******************************************************************************
        substepping_type.resize(max_level+1);
 
        for (int i = 0; i <= max_level; i++) {
            substepping_type[i] = SubsteppingType::Implicit;
        }
 
        int nvals = pp.countval("substepping_type");
        AMREX_ALWAYS_ASSERT(nvals == 0 || nvals == 1 || nvals >= max_level+1);
 
        if (nvals == 1) {
            pp.query_enum_case_insensitive("substepping_type",substepping_type[0]);
            for (int i = 1; i <= max_level; i++) {
                substepping_type[i] = substepping_type[0];
            }
        } else if (nvals > 1) { // in this case we have asserted nvals >= max_level+1
            for (int i = 0; i <= max_level; i++) {
                pp.query_enum_case_insensitive("substepping_type",substepping_type[i],i);
            }
        }
 
        // *******************************************************************************
        // Error check on deprecated input
        // *******************************************************************************
        int nvals_old = pp.countval("no_substepping");
        if (nvals_old > 0) {
            amrex::Abort("The no_substepping flag is deprecated -- set substepping_type instead");
        }
        // *******************************************************************************
 
        bool any_anelastic = false;
        for (int i = 0; i <= max_level; ++i) {
            if (anelastic[i] == 1) any_anelastic = true;
        }
 
        // If anelastic at all, we do not advect rho -- it is always == rho0
        if (any_anelastic == 1) {
            constant_density = true;
            project_initial_velocity = true;
            buoyancy_type = 3; // (This isn't actually used when anelastic is set)
        } else {
            pp.query("project_initial_velocity", project_initial_velocity);
 
            constant_density = false;  // We default to false but allow the user to set it
            pp.query("constant_density", constant_density);
        }
 
        // *******************************************************************************
 
        pp.query("ncorr", ncorr);
        pp.query("poisson_abstol", poisson_abstol);
        pp.query("poisson_reltol", poisson_reltol);
 
        for (int lev = 0; lev <= max_level; lev++) {
            if (anelastic[lev] != 0)
            {
                substepping_type[lev] = SubsteppingType::None;
            }
        }
 
        pp.query("force_stage1_single_substep", force_stage1_single_substep);
 
        // Include Coriolis forcing?
        pp.query("use_coriolis", use_coriolis);
 
        // Include Rayleigh damping (separate flags for each variable)
        pp.query("rayleigh_damp_U", rayleigh_damp_U);
        pp.query("rayleigh_damp_V", rayleigh_damp_V);
        pp.query("rayleigh_damp_W", rayleigh_damp_W);
        pp.query("rayleigh_damp_T", rayleigh_damp_T);
        pp.query("rayleigh_dampcoef", rayleigh_dampcoef);
        pp.query("rayleigh_zdamp", rayleigh_zdamp);
 
        // Flag to do explicit MOST formulation
        pp.query("use_explicit_most",use_explicit_most);
 
        // Flag to do MOST rotations with terrain
        pp.query("use_rotate_most",use_rotate_most);
        if (use_rotate_most) {
            AMREX_ASSERT_WITH_MESSAGE(terrain_type != TerrainType::None,"MOST stress rotations are only valid with terrain!");
            AMREX_ASSERT_WITH_MESSAGE(use_explicit_most, "MOST Stress rotations are only valid with explicit MOST!");
        }
 
        // Which external forcings?
        abl_driver_type = ABLDriverType::None; // Default: no ABL driver for simulating classical fluid dynamics problems
        pp.query_enum_case_insensitive("abl_driver_type",abl_driver_type);
 
        // Which type of inflow turbulent generation
        pert_type = PerturbationType::None; // Default
        pp.query_enum_case_insensitive("perturbation_type",pert_type);
 
        amrex::Vector<amrex::Real> abl_pressure_grad_in = {0.0, 0.0, 0.0};
        pp.queryarr("abl_pressure_grad",abl_pressure_grad_in);
        for(int i = 0; i < AMREX_SPACEDIM; ++i) abl_pressure_grad[i] = abl_pressure_grad_in[i];
 
        amrex::Vector<amrex::Real> abl_geo_forcing_in = {0.0, 0.0, 0.0};
        if(pp.queryarr("abl_geo_forcing",abl_geo_forcing_in)) {
            amrex::Print() << "Specified abl_geo_forcing: (";
            for (int i = 0; i < AMREX_SPACEDIM; ++i) {
                abl_geo_forcing[i] = abl_geo_forcing_in[i];
                amrex::Print() << abl_geo_forcing[i] << " ";
            }
            amrex::Print() << ")" << std::endl;
        }
 
        if (use_coriolis)
        {
            build_coriolis_forcings();
        }
 
        pp.query("add_custom_rhotheta_forcing", custom_rhotheta_forcing);
        pp.query("add_custom_moisture_forcing", custom_moisture_forcing);
        pp.query("add_custom_w_subsidence", custom_w_subsidence);
        pp.query("add_custom_geostrophic_profile", custom_geostrophic_profile);
        pp.query("custom_forcing_uses_primitive_vars", custom_forcing_prim_vars);
 
        pp.query("nudging_from_input_sounding", nudging_from_input_sounding);
 
        have_geo_wind_profile = (!abl_geo_wind_table.empty() || custom_geostrophic_profile);
        AMREX_ALWAYS_ASSERT_WITH_MESSAGE(!(!abl_geo_wind_table.empty() && custom_geostrophic_profile),
            "Should not have both abl_geo_wind_table and custom_geostrophic_profile set.");
 
        pp.query("Ave_Plane", ave_plane);
 
        pp.query("mp_clouds", do_cloud);
        pp.query("mp_precip", do_precip);
        pp.query("use_moist_background", use_moist_background);
 
        // Use numerical diffusion?
        pp.query("num_diff_coeff",num_diff_coeff);
        AMREX_ASSERT_WITH_MESSAGE(( (num_diff_coeff >= 0.) && (num_diff_coeff <= 1.) ),
                                  "Numerical diffusion coefficient must be between 0 & 1.");
        use_num_diff = (num_diff_coeff > 0);
        if (use_num_diff) {
            amrex::Print() << "6th-order numerical diffusion turned on with coefficient = "
                << num_diff_coeff << std::endl;
            num_diff_coeff *= std::pow(2.0,-6);
        }
 
        // Use monotonic advection?
        pp.query("use_mono_adv",use_mono_adv);
 
           advChoice.init_params();
          diffChoice.init_params();
        spongeChoice.init_params();
 
        turbChoice.resize(max_level+1);
        for (int lev = 0; lev <= max_level; lev++) {
            turbChoice[lev].init_params(lev,max_level);
        }
 
        // YSU PBL: use consistent coriolis frequency
        for (int lev = 0; lev <= max_level; lev++) {
            if (turbChoice[lev].pbl_ysu_use_consistent_coriolis) {
                if (use_coriolis) {
                    turbChoice[lev].pbl_ysu_coriolis_freq = coriolis_factor * sinphi;
                    if (lev == 0) {
                        amrex::Print() << "YSU PBL using ERF coriolis frequency: " << turbChoice[lev].pbl_ysu_coriolis_freq << std::endl;
                    }
                } else {
                    amrex::Abort("YSU cannot use ERF coriolis frequency if not using coriolis");
                }
            }
        }
 
 
        // Which type of multilevel coupling
        coupling_type = CouplingType::TwoWay; // Default
        pp.query_enum_case_insensitive("coupling_type",coupling_type);
 
        // Which type of windfarm model
        windfarm_type = WindFarmType::None; // Default
        pp.query_enum_case_insensitive("windfarm_type",windfarm_type);
 
        static std::string windfarm_loc_type_string = "None";
        windfarm_loc_type = WindFarmLocType::None;
        pp.query_enum_case_insensitive("windfarm_loc_type",windfarm_loc_type);
 
        pp.query("windfarm_loc_table",  windfarm_loc_table);
        pp.query("windfarm_spec_table", windfarm_spec_table);
        pp.query("windfarm_blade_table", windfarm_blade_table);
        pp.query("windfarm_airfoil_tables", windfarm_airfoil_tables);
        pp.query("windfarm_spec_table_extra", windfarm_spec_table_extra);
 
        // Sampling distance upstream of the turbine to find the
        // incoming free stream velocity as a factor of the diameter of the
        // turbine. ie. the sampling distance will be this number multiplied
        // by the diameter of the turbine
        pp.query("sampling_distance_by_D", sampling_distance_by_D);
        pp.query("turb_disk_angle_from_x", turb_disk_angle);
 
        pp.query("windfarm_x_shift",windfarm_x_shift);
        pp.query("windfarm_y_shift",windfarm_y_shift);
        // Test if time averaged data is to be output
        pp.query("time_avg_vel",time_avg_vel);
 
        check_params(max_level);
    }
 
    void check_params(int max_level)
    {
        // Warn for PBL models and moisture - these may not yet be compatible
        for (int lev = 0; lev <= max_level; lev++) {
            if ((moisture_type != MoistureType::None) && (turbChoice[lev].pbl_type != PBLType::None)) {
                amrex::Warning("\n*** WARNING: Moisture may not yet be compatible with PBL models, \n    proceed with caution ***");
            }
        }
        //
        // Buoyancy type check
        //
        if (buoyancy_type != 1 && buoyancy_type != 2 && buoyancy_type != 3 && buoyancy_type != 4) {
            amrex::Abort("buoyancy_type must be 1, 2, 3 or 4");
        }
 
        if (!use_lagged_delta_rt && !(terrain_type == TerrainType::Moving)) {
            amrex::Error("Can't turn off lagged_delta_rt when terrain not moving");
        }
 
        //
        // Wind farm checks
        //
        if (windfarm_type==WindFarmType::SimpleAD and sampling_distance_by_D < 0.0) {
             amrex::Abort("To use simplified actuator disks, you need to provide a variable"
                           " erf.sampling_distance_by_D in the inputs which specifies the upstream"
                           " distance as a factor of the turbine diameter at which the incoming free stream"
                           " velocity will be computed at.");
        }
        if ( (windfarm_type==WindFarmType::SimpleAD ||
              windfarm_type==WindFarmType::GeneralAD ) && turb_disk_angle < 0.0) {
            amrex::Abort("To use simplified actuator disks, you need to provide a variable"
                          " erf.turb_disk_angle_from_x in the inputs which is the angle of the face of the"
                          " turbine disk from the x-axis. A turbine facing an oncoming flow in the x-direction"
                          " will have turb_disk_angle value of 90 deg.");
        }
        if (windfarm_loc_type == WindFarmLocType::lat_lon and (windfarm_x_shift < 0.0 or windfarm_y_shift < 0.0)) {
            amrex::Abort("You are using windfarms with latitude-logitude option to position the turbines."
                         " For this you should provide the inputs erf.windfarm_x_shift and"
                         " erf.windfarm_y_shift which are the values by which the bounding box of the"
                         " windfarm is shifted from the x and the y axes.");
        }
    }
 
    void display(int max_level)
    {
        amrex::Print() << "SOLVER CHOICE: " << std::endl;
        amrex::Print() << "force_stage1_single_substep : "  << force_stage1_single_substep << std::endl;
        for (int lev = 0; lev <= max_level; lev++) {
            amrex::Print() << "anelastic      at level : " << lev << " is " <<     anelastic[lev] << std::endl;
            if (substepping_type[lev] == SubsteppingType::None) {
                amrex::Print() << "No substepping at level " << lev << std::endl;
            } else if (substepping_type[lev] == SubsteppingType::Explicit) {
                amrex::Print() << "Explicit substepping at level " << lev << std::endl;
            } else if (substepping_type[lev] == SubsteppingType::Implicit) {
                amrex::Print() << "Implicit substepping at level " << lev << std::endl;
            }
        }
        amrex::Print() << "use_coriolis                : " << use_coriolis << std::endl;
        amrex::Print() << "use_gravity                 : " << use_gravity << std::endl;
 
        amrex::Print() << "Terrain Type: " << std::endl;
        if (terrain_type == TerrainType::Static) {
            amrex::Print() << "    Static" << std::endl;
        } else if (terrain_type == TerrainType::Moving) {
            amrex::Print() << "    Moving" << std::endl;
        } else {
            amrex::Print() << "    None" << std::endl;
        }
 
        amrex::Print() << "   Mesh Type: " << std::endl;
        if (mesh_type == MeshType::ConstantDz) {
            amrex::Print() << "    ConstantDz" << std::endl;
        } else if (mesh_type == MeshType::StretchedDz) {
            amrex::Print() << "    StretchedDz" << std::endl;
        } else if (mesh_type == MeshType::VariableDz) {
            amrex::Print() << "    VariableDz" << std::endl;
        } else {
            amrex::Abort("No mesh_type set!");
        }
 
        amrex::Print() << "ABL Driver Type: " << std::endl;
        if (abl_driver_type == ABLDriverType::None) {
            amrex::Print() << "    None" << std::endl;
        } else if (abl_driver_type == ABLDriverType::PressureGradient) {
            amrex::Print() << "    Pressure Gradient "
                           << amrex::RealVect(abl_pressure_grad[0],abl_pressure_grad[1],abl_pressure_grad[2])
                           << std::endl;
        } else if (abl_driver_type == ABLDriverType::GeostrophicWind) {
            amrex::Print() << "    Geostrophic Wind "
                           << amrex::RealVect(abl_geo_forcing[0],abl_geo_forcing[1],abl_geo_forcing[2])
                           << std::endl;
        }
 
        if (max_level > 0) {
            amrex::Print() << "Coupling Type: " << std::endl;
            if (coupling_type == CouplingType::TwoWay) {
                amrex::Print() << "    Two-way" << std::endl;
            } else if (coupling_type == CouplingType::OneWay) {
                amrex::Print() << "    One-way" << std::endl;
            }
        }
 
        amrex::Print() << "Buoyancy_type               : " << buoyancy_type << std::endl;
 
           advChoice.display();
          diffChoice.display();
        spongeChoice.display();
 
        for (int lev = 0; lev <= max_level; lev++) {
            turbChoice[lev].display(lev);
        }
    }
 
    void build_coriolis_forcings()
    {
        amrex::ParmParse pp(pp_prefix);
 
        // Read the rotational time period (in seconds)
        amrex::Real rot_time_period = 86400.0;
        pp.query("rotational_time_period", rot_time_period);
 
        coriolis_factor = 2.0 * 2.0 * PI / rot_time_period;
 
        amrex::Real latitude = 90.0;
        pp.query("latitude", latitude);
 
        pp.query("coriolis_3d", coriolis_3d);
 
        // Convert to radians
        latitude *= (PI/180.);
        sinphi = std::sin(latitude);
        if (coriolis_3d) {
            cosphi = std::cos(latitude);
        }
 
        amrex::Print() << "Coriolis frequency, f = " << coriolis_factor * sinphi << " 1/s" << std::endl;
 
        if (abl_driver_type == ABLDriverType::GeostrophicWind) {
            // Read in the geostrophic wind -- we only use this to construct
            //     the forcing term so no need to keep it
            amrex::Vector<amrex::Real> abl_geo_wind(3);
            pp.queryarr("abl_geo_wind",abl_geo_wind);
 
            if(!pp.query("abl_geo_wind_table",abl_geo_wind_table)) {
                abl_geo_forcing = {
                    -coriolis_factor * (abl_geo_wind[1]*sinphi - abl_geo_wind[2]*cosphi),
                     coriolis_factor *  abl_geo_wind[0]*sinphi,
                    -coriolis_factor *  abl_geo_wind[0]*cosphi
                };
            } else {
                amrex::Print() << "NOTE: abl_geo_wind_table provided, ignoring input abl_geo_wind" << std::endl;
            }
        }
    }
 
    void read_int_string (int max_level, const char* string_to_read,
                          amrex::Vector<int>& vec_to_fill, int default_int)
    {
        amrex::ParmParse pp("erf");
        int nvals = pp.countval(string_to_read);
        AMREX_ALWAYS_ASSERT(nvals == 0 || nvals == 1 || nvals >= max_level+1);
        amrex::Vector<int> temp; temp.resize(nvals);
        pp.queryarr(string_to_read,temp);
        if (nvals == 0) {
            for (int i = 0; i <= max_level; ++i) vec_to_fill.push_back(default_int);
        } else if (nvals == 1) {
            for (int i = 0; i <= max_level; ++i) vec_to_fill.push_back(temp[0]);
        } else {
            for (int i = 0; i <= max_level; ++i) vec_to_fill.push_back(temp[i]);
        }
    }
 
    inline static
    bool terrain_is_flat = false;
 
    inline static
    TerrainType terrain_type = TerrainType::None;
 
    inline static
    MeshType mesh_type = MeshType::ConstantDz;
 
    static
    void set_flat_terrain_flag ()
    {
        terrain_is_flat = true;
    }
 
    AdvChoice    advChoice;
    DiffChoice   diffChoice;
    SpongeChoice spongeChoice;
    amrex::Vector<TurbChoice>  turbChoice;
 
    // Default prefix
    std::string pp_prefix {"erf"};
 
    int         force_stage1_single_substep = 1;
 
    amrex::Vector<SubsteppingType> substepping_type;
    amrex::Vector<int> anelastic;
 
    int         constant_density    = 0;
    int         ncorr               = 1;
    amrex::Real poisson_abstol      = 1e-10;
    amrex::Real poisson_reltol      = 1e-10;
 
    bool        test_mapfactor         = false;
 
    int         buoyancy_type          = 1; // uses rhoprime directly
 
    // Specify what additional physics/forcing modules we use
    bool        use_gravity            = false;
    bool        use_coriolis           = false;
    bool        coriolis_3d            = true;
 
    bool        rayleigh_damp_U        = false;
    bool        rayleigh_damp_V        = false;
    bool        rayleigh_damp_W        = false;
    bool        rayleigh_damp_T        = false;
    amrex::Real rayleigh_dampcoef      = 0.2; // inverse time scale [1/s]
    amrex::Real rayleigh_zdamp         = 500.0; // damping layer depth [m]
    amrex::Real rayleigh_ztop;
 
    // This defaults to true but can be set to false for moving terrain cases only
    bool        use_lagged_delta_rt    = true;
 
    // Constants
    amrex::Real gravity;
    amrex::Real c_p = Cp_d; // specific heat at constant pressure for dry air [J/(kg-K)]
    amrex::Real rdOcp;
 
    // Staggered z levels for vertical grid stretching
    amrex::Real grid_stretching_ratio   = 0;
    amrex::Real zsurf                   = 0.0;
    amrex::Real dz0;
 
    bool project_initial_velocity = false;
 
    // Coriolis forcing
    amrex::Real coriolis_factor = 0.0;
    amrex::Real cosphi          = 0.0;
    amrex::Real sinphi          = 0.0;
 
    // User-specified forcings in problem definition
    bool custom_rhotheta_forcing  = false;
    bool custom_moisture_forcing  = false;
    bool custom_w_subsidence      = false;
    bool custom_geostrophic_profile = false;
    bool custom_forcing_prim_vars = false;
 
    // Do we use source terms to nudge the solution towards
    //    the time-varying data provided in input sounding files?
    bool nudging_from_input_sounding = false;
 
    // User specified MOST BC type
    bool use_explicit_most = false;
 
    // MOST stress rotations
    bool use_rotate_most = false;
 
    // User wishes to output time averaged velocity fields
    bool time_avg_vel = false;
 
    // Type of perturbation
    PerturbationType pert_type;
 
    // Numerical diffusion
    bool use_num_diff{false};
    amrex::Real num_diff_coeff{0.};
 
    // Monotonic advection limiter
    bool use_mono_adv{false};
 
    CouplingType coupling_type;
    MoistureType moisture_type;
    WindFarmType windfarm_type;
    WindFarmLocType windfarm_loc_type;
    LandSurfaceType lsm_type;
 
    ABLDriverType abl_driver_type;
    amrex::GpuArray<amrex::Real, AMREX_SPACEDIM> abl_pressure_grad;
    amrex::GpuArray<amrex::Real, AMREX_SPACEDIM> abl_geo_forcing;
    std::string abl_geo_wind_table;
    bool have_geo_wind_profile {false};
 
    int ave_plane {2};
    // Microphysics params
    bool do_cloud {true};
    bool do_precip {true};
    bool use_moist_background {false};
    int RhoQv_comp {-1};
    int RhoQc_comp {-1};
 
    // This component will be model-dependent:
    // if a model with no rain, this will stay -1
    // if Kessler, then it will be set to RhoQ3
    // if     SAM, then it will be set to RhoQ4
    int RhoQr_comp {-1};
 
    std::string windfarm_loc_table, windfarm_spec_table, windfarm_spec_table_extra;
    std::string windfarm_blade_table, windfarm_airfoil_tables;
    amrex::Real sampling_distance_by_D = -1.0;
    amrex::Real turb_disk_angle = -1.0;
    amrex::Real windfarm_x_shift = -1.0;
    amrex::Real windfarm_y_shift = -1.0;
 
    // Use forest canopy model?
    bool do_forest_drag {false};
 
    // Use immersed forcing representation of terrain?
    bool do_terrain_drag {false};
};
#endif