preset_config

HELIAS5B = {'name': 'Helias 5b', 'rmajor_ref': 22.2, 'rminor_ref': 1.8, 'aspect_ref': 12.33, 'coil_rmajor': 22.44, 'coil_rminor': 4.76, 'bt_ref': 5.6, 'wp_area': 0.8 * 0.6, 'wp_bmax': 11.44, 'symmetry': 5, 'coilspermodule': 10, 'a1': 0.688, 'a2': 0.025, 'vol_plasma': 1422.63, 'dmin': 0.84, 'max_portsize_width': 2.12, 'plasma_surface': 1960.0, 'maximal_coil_height': 12.7, 'coilsurface': 4817.7, 'coillength': 1680.0, 'I0': 13.06, 'inductance': 0.00165576, 'WP_ratio': 1.2, 'max_force_density': 120.0, 'max_force_density_mnm': 98.0, 'max_lateral_force_density': 92.4, 'max_radial_force_density': 113.5, 'centering_force_max_mn': 189.5, 'centering_force_min_mn': -55.7, 'centering_force_avg_mn': 93.0, 'min_plasma_coil_distance': 1.9, 'derivative_min_lcfs_coils_dist': -1.0, 'min_bend_radius': 1.0, 'neutron_peakfactor': 1.6, 'epseff': 0.015} module-attribute

HELIAS4 = {'name': 'Helias 4', 'rmajor_ref': 17.6, 'rminor_ref': 2.0, 'aspect_ref': 8.8, 'coil_rmajor': 18.39, 'coil_rminor': 4.94, 'bt_ref': 5.6, 'wp_area': 0.8 * 0.6, 'wp_bmax': 11.51, 'symmetry': 4, 'coilspermodule': 10, 'a1': 0.676, 'a2': 0.029, 'vol_plasma': 1380.0, 'dmin': 1.08, 'max_portsize_width': 3.24, 'plasma_surface': 1900.0, 'maximal_coil_height': 13.34, 'coilsurface': 4100.0, 'coillength': 1435.07, 'I0': 13.146, 'inductance': 0.0012904, 'WP_ratio': 1.3, 'max_force_density': 120.0, 'max_force_density_mnm': 98.0, 'max_lateral_force_density': 87.9, 'max_radial_force_density': 109.9, 'centering_force_max_mn': 226.0, 'centering_force_min_mn': -35.3, 'centering_force_avg_mn': 125.8, 'min_plasma_coil_distance': 1.7, 'derivative_min_lcfs_coils_dist': -1.0, 'min_bend_radius': 0.86, 'neutron_peakfactor': 1.6, 'epseff': 0.015} module-attribute

HELIAS3 = {'name': 'Helias 3', 'rmajor_ref': 13.86, 'rminor_ref': 2.18, 'aspect_ref': 6.36, 'coil_rmajor': 14.53, 'coil_rminor': 6.12, 'bt_ref': 5.6, 'wp_bmax': 12.346, 'wp_area': 0.8 * 0.6, 'symmetry': 3, 'coilspermodule': 10, 'a1': 0.56, 'a2': 0.03, 'vol_plasma': 1300.8, 'dmin': 1.145, 'max_portsize_width': 3.24, 'plasma_surface': 1600.0, 'maximal_coil_height': 17.74, 'coilsurface': 4240.0, 'coillength': 1287.3, 'I0': 14.23, 'inductance': 0.0012507, 'WP_ratio': 1.3, 'max_force_density': 120.0, 'max_force_density_mnm': 98.0, 'max_lateral_force_density': 96.6, 'max_radial_force_density': 130.5, 'centering_force_max_mn': 428.1, 'centering_force_min_mn': -70.3, 'centering_force_avg_mn': 240.9, 'min_plasma_coil_distance': 1.78, 'derivative_min_lcfs_coils_dist': -1.0, 'min_bend_radius': 1.145, 'neutron_peakfactor': 1.6, 'epseff': 0.015} module-attribute

W7X30 = {'name': 'W7X-30', 'rmajor_ref': 5.5, 'rminor_ref': 0.49, 'aspect_ref': 11.2, 'coil_rmajor': 5.62, 'coil_rminor': 1.36, 'bt_ref': 3.0, 'wp_area': 0.18 * 0.15, 'wp_bmax': 10.6, 'symmetry': 5, 'coilspermodule': 6, 'a1': 0.98, 'a2': 0.041, 'vol_plasma': 26.4, 'dmin': 0.21, 'max_portsize_width': 0.5, 'plasma_surface': 128.3, 'maximal_coil_height': 3.6, 'coilsurface': 370.0, 'coillength': 303.4, 'I0': 2.9, 'inductance': 0.0002527, 'WP_ratio': 1.2, 'max_force_density': 350.0, 'max_force_density_mnm': 98.0, 'max_lateral_force_density': 271.1, 'max_radial_force_density': 305.2, 'centering_force_max_mn': 7.95, 'centering_force_min_mn': -2.15, 'centering_force_avg_mn': 3.46, 'min_plasma_coil_distance': 0.45, 'derivative_min_lcfs_coils_dist': -1.0, 'min_bend_radius': 0.186, 'neutron_peakfactor': 1.6, 'epseff': 0.015} module-attribute

W7X50 = {'name': 'W7X-50', 'rmajor_ref': 5.5, 'rminor_ref': 0.49, 'aspect_ref': 11.2, 'coil_rmajor': 5.62, 'coil_rminor': 1.18, 'bt_ref': 3.0, 'wp_area': 0.18 * 0.15, 'wp_bmax': 6.3, 'symmetry': 5, 'coilspermodule': 10, 'a1': 0.66, 'a2': 0.025, 'vol_plasma': 26.4, 'dmin': 0.28, 'max_portsize_width': 0.3, 'plasma_surface': 128.3, 'maximal_coil_height': 3.1, 'coilsurface': 299.85, 'coillength': 420.67, 'I0': 1.745, 'inductance': 0.0004124, 'WP_ratio': 1.2, 'max_force_density': 250.0, 'max_force_density_mnm': 98.0, 'max_lateral_force_density': 116.4, 'max_radial_force_density': 148.0, 'centering_force_max_mn': 2.99, 'centering_force_min_mn': -1.29, 'centering_force_avg_mn': 1.61, 'min_plasma_coil_distance': 0.39, 'derivative_min_lcfs_coils_dist': -1.0, 'min_bend_radius': 0.39, 'neutron_peakfactor': 1.6, 'epseff': 0.015} module-attribute

load_stellarator_config(istell, config_file)

Load the appropriate Stellarator machine configuration

Parameters:

Name	Type	Description	Default
istell	int	istell = 1: Helias5 machine istell = 2: Helias4 machine istell = 3: Helias3 machine istell = 4: w7x30 machine istell = 5: w7x50 machine istell = 6: Init from json	required
config_file	Path | None		required

Source code in process/models/stellarator/preset_config.py

def load_stellarator_config(istell: int, config_file: Path | None):
    """Load the appropriate Stellarator machine configuration

    Parameters
    ----------
    istell:
        istell = 1: Helias5 machine
        istell = 2: Helias4 machine
        istell = 3: Helias3 machine
        istell = 4: w7x30 machine
        istell = 5: w7x50 machine
        istell = 6: Init from json
    config_file:


    """
    match istell:
        case 1:
            machine_config = HELIAS5B
        case 2:
            machine_config = HELIAS4
        case 3:
            machine_config = HELIAS3
        case 4:
            machine_config = W7X30
        case 5:
            machine_config = W7X50
        case 6:
            if config_file is None:
                raise ProcessValueError("Stellarator config file is None but istell=6")

            with open(config_file) as f:
                machine_config = json.load(f)
        case _:
            raise ProcessValueError(f"{istell=} is not an integer in the range [1, 6]")

    for variable_name, variable_value in machine_config.items():
        setattr(
            stellarator_configuration,
            f"stella_config_{variable_name.lower()}",
            variable_value,
        )