scan_variables

Module containing routines to perform a parameter scan

None This module contains routines to perform a parameter scan over a range of values of a particular scanning variable.

IPNSCNS = 1000 module-attribute

Maximum number of scan points

IPNSCNV = 81 module-attribute

Number of available scan variables

NOUTVARS = 84 module-attribute

WIDTH = 110 module-attribute

scan_dim = None module-attribute

1-D or 2-D scan switch (1=1D, 2=2D)

isweep = None module-attribute

Number of scan points to calculate

isweep_2 = None module-attribute

Number of 2D scan points to calculate

nsweep = None module-attribute

Switch denoting quantity to scan:

• 1 aspect
• 2 pflux_div_heat_load_max_mw
• 3 p_plant_electric_net_required_mw
• 4 hfact
• 5 oacdcp
• 6 pflux_fw_neutron_max_mw
• 7 beamfus0
• 8 NOT USED
• 9 temp_plasma_electron_vol_avg_kev
• 10 NOT USED
• 11 beta_norm_max
• 12 f_c_plasma_bootstrap_max
• 13 boundu(10: hfact)
• 14 fiooic
• 16 rmajor
• 15 NOT USED
• 17 b_tf_inboard_max
• 18 eta_cd_norm_hcd_primary_max
• 19 boundl(16: dr_cs)
• 20 t_burn_min
• 21 NOT USED
• 22 f_t_plant_available (N.B. requires i_plant_availability=0)
• 23 NOT USED
• 24 p_fusion_total_max_mw
• 25 kappa
• 26 triang
• 27 tbrmin (for blktmodel > 0 only)
• 28 b_plasma_toroidal_on_axis
• 29 radius_plasma_core_norm
• 30 fimpvar # OBSOLETE
• 31 f_alpha_energy_confinement_min
• 32 epsvmc
• 33 ttarget
• 34 qtargettotal
• 35 lambda_q_omp
• 36 lambda_target
• 37 lcon_factor
• 38 Neon upper limit
• 39 Argon upper limit
• 40 Xenon upper limit
• 41 dr_blkt_outboard
• 42 Argon fraction f_nd_impurity_electrons(9)
• 43 normalised minor radius at which electron cyclotron current drive is maximum
• 44 Allowable maximum shear stress (Tresca) in tf coil structural material
• 45 Minimum allowable temperature margin ; tf coils
• 46 boundu(150) f_nd_plasma_separatrix_greenwald
• 47 impurity_enrichment(9) Argon impurity enrichment
• 48 TF coil - n_tf_wp_pancakes (integer turn winding pack)
• 49 TF coil - n_tf_wp_layers (integer turn winding pack)
• 50 Xenon fraction f_nd_impurity_electrons(13)
• 51 Power fraction to lower DN Divertor f_p_div_lower
• 52 SoL radiation fraction
• 54 GL_nbti upper critical field at 0 Kelvin
• 55 `dr_shld_inboard` : Inboard neutron shield thickness
• 56 p_cryo_plant_electric_max_mw: Maximum cryogenic power (ixx=164, ixc=87)
• 57 `b_plasma_toroidal_on_axis` lower boundary
• 58 `dr_fw_plasma_gap_inboard` : Inboard plasma-first wall gap
• 59 `dr_fw_plasma_gap_outboard` : Outboard plasma-first wall gap
• 60 sig_tf_wp_max: Allowable stress in TF Coil conduit (Tresca)
• 61 copperaoh_m2_max : CS coil current / copper area
• 62 j_cs_flat_top_end : CS coil current density at EOF
• 63 dr_cs : CS thickness (m)
• 64 f_z_cs_tf_internal : CS height (m)
• 65 n_cycle_min : Minimum cycles for CS stress model constraint 90
• 66 f_a_cs_turn_steel: Steel fraction in CS coil
• 67 t_crack_vertical: Initial crack vertical dimension (m)

68 `inlet_temp_liq' : Inlet temperature of blanket liquid metal coolant/breeder (K)

69 `outlet_temp_liq' : Outlet temperature of blanket liquid metal coolant/breeder (K)

70 `blpressure_liq' : Blanket liquid metal breeder/coolant pressure (Pa)

71 `n_liq_recirc' : Selected number of liquid metal breeder recirculations per day

72 `bz_channel_conduct_liq' : Conductance of liquid metal breeder duct walls (A V-1 m-1)

73 `pnuc_fw_ratio_dcll' : Ratio of FW nuclear power as fraction of total (FW+BB)

74 `f_nuc_pow_bz_struct' : Fraction of BZ power cooled by primary coolant for dual-coolant balnket

75 dx_fw_module : pitch of first wall cooling channels (m)

76 eta_turbine : Thermal conversion eff.

77 startupratio : Gyrotron redundancy

78 fkind : Multiplier for Nth of a kind costs

79 eta_ecrh_injector_wall_plug : ECH wall plug to injector efficiency

nsweep_2 = None module-attribute

nsweep_2 /3/ : switch denoting quantity to scan for 2D scan:

sweep = None module-attribute

sweep(IPNSCNS) /../: actual values to use in scan

sweep_2 = None module-attribute

sweep_2(IPNSCNS) /../: actual values to use in 2D scan

first_call_1d = None module-attribute

first_call_2d = None module-attribute

init_scan_variables()

Initialise the scan module

Source code in process/data_structure/scan_variables.py

def init_scan_variables():
    """Initialise the scan module"""
    global \
        scan_dim, \
        isweep, \
        isweep_2, \
        nsweep, \
        nsweep_2, \
        sweep, \
        sweep_2, \
        first_call_1d, \
        first_call_2d

    scan_dim = 1
    isweep = 0
    isweep_2 = 0
    nsweep = 1
    nsweep_2 = 3
    sweep = np.zeros(1000, dtype=np.float64)
    sweep_2 = np.zeros(1000, dtype=np.float64)
    first_call_1d = True
    first_call_2d = True