gray/input/gray.ini
Michele Guerini Rocco 23a8caff37
remove references to COCOS 0,10
While technically accepted by GRAY, these indices do not carry a special
meaning, as wrongly implied by the documentation: they are equivalent
to 8, 18 and specifically don't change the meaning of sgnbi,sgni.
2024-02-09 11:16:20 +01:00

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[raytracing]
; Number of rays in the radial/angular direction
nrayr = 1
nrayth = 16
; Normalized maximum radius of the beam power
rwmax = 1.0
; Switch between simple raytracing (0) and beamtracing (1)
igrad = 0
; Max number of passes inside the plasma [multipass module]
; When positive reflections occur on the plasma limiter provided by the
; G-EQDSK file; when negative on a simple limiter at R=`rwall`, see below.
ipass = 1
; Whether to compute the wave polarisation (from chi, psi)
ipol = .false.
; Step size (cm) for the numerical integration
dst = 0.1
; Max number of integration steps
nstep = 12000
; Choice of the integration variable
; STEP_ARCLEN: arc length (s)
; STEP_TIME: time (actually c⋅t)
; STEP_PHASE: phase (actually real part of eikonal S_r=k₀⋅φ)
idst = STEP_ARCLEN
[ecrh_cd]
; Choice of the power absorption model
; ABSORP_OFF: no absorption at all
; ABSORP_WEAK: weakly relativistic
; ABSORP_FULL: fully relativistic (faster variant)
; ABSORP_FULL_ALT: fully relativistic (slower variant)
; Note: iwarm /= ABSORP_OFF is required for current drive
iwarm = ABSORP_FULL
; Order of the electron Larmor radius expansion
; (used by some absorption models)
ilarm = 5
; Max number of iterations for the solution of the dispersion relation.
; (used by some absorption models)
; Note: if negative the result of the first iteration will be used in
; case the result doesn't converge within |imx| iterations.
imx = -20
; Current drive model
; CD_OFF: no current drive at all
; CD_COHEN: Cohen
; CD_NO_TRAP: no trapping
; CD_NEOCLASSIC: Neoclassical
ieccd = CD_NEOCLASSIC
[antenna]
; Wave launch angles (deg)
alpha = 45 ; Poloidal angle (positive → up)
beta = 0 ; Toroidal angle (positive → right)
; Injected power (MW)
power = 1.0
; Polarisation mode
; MODE_O: ordinary (O)
; MODE_X: extraordinary (X)
iox = MODE_X
; Alternatively, parameters of the polarisation ellipse
; χ: angle between the principal axes and the (x,y) axes
; ψ: atan(ε), where ε is the ellipticity
chi = 0
psi = 0
; Beam parameters format
; BEAM_0D: fixed beam parameters
; BEAM_1D: 1D steering angle table
; BEAM_2D: 2D steering angles table
ibeam = 0
; Filepath of the beam data (relative to this file)
filenm = "beamdata.txt"
[equilibrium]
; MHD equilibrium kind
; EQ_VACUUM: vacuum (i.e. no plasma at all)
; EQ_ANALYTICAL: analytical model
; EQ_EQDSK_FULL: G-EQDSK format - data valid on the whole domain
; EQ_EQDSK_PARTIAL: G-EQDSK format - data valid only inside the LCFS
iequil = EQ_EQDSK_FULL
; Filepath of the equilibrium data (relative to this file)
filenm = "magneticdata.eqdsk"
; COCOS index of the EQDSK equilibrium
icocos = 7
; Whether the poloidal function is normalised (G-EQDSK)
; false: is not normalised, ψ → |ψ - ψ(edge)|/|ψ(axis) - ψ(edge)|
; true: is already normalised
ipsinorm = false
; G-EQDSK format parameters
; Whether header starts with a description, a.k.a identification string
idesc = true
; Whether the records have variable length
; Note: some non-compliant programs output numbers formatted with variable length
; instead of using the single (5e16.9) specifier.
ifreefmt = false
; Position of the X point
; X_IS_MISSING: No X point
; X_AT_TOP: At the top of the plasma
; X_AT_BOTTOM: At the bottom of the plasma
ixp = X_IS_MISSING
; Tension of splines
; Note: 0 means perfect interpolation
ssplps = 0.005 ; for ψ(R,Z), normalised poloidal flux
ssplf = 0.01 ; for F(ψ)=R⋅B_T, poloidal current function
; Force the sign of toroidal field/plasma current
; When viewing from above:
; +1 → counter-clockwise
; -1 → clockwise
; 0 → use sign from COCOS
sgnb = -1
sgni = +1
; Rescaling factor for the magnetic field
factb = 1
[profiles]
; (input) plasma profiles parameters
; Plasma profiles kind
; PROF_ANALYTIC: analytical model
; PROF_NUMERIC: numerical data (ρ, n_e, T_e, table)
iprof = PROF_NUMERIC
; Plasma profiles radial coordinate
; RHO_TOR: ρ_t = √Φ (where Φ is the normalised toroidal flux)
; RHO_POL: ρ_p = √ψ (where ψ is the normalised poloidal flux)
; RHO_PSI: normalised poloidal flux ψ
irho = RHO_TOR
; Filepath of the equilibrium (relative to this file)
filenm = "profiles.txt"
; Tension of the density spline
; Note: 0 means perfect interpolation
sspld = 0.1
; Rescaling factor for electron temperature/density
factte = 1
factne = 1
; Choice of model for rescaling the temperature/density
; with the magnetic field (if factb ≠ 0)
; SCALE_OFF: don't rescale at all
; SCALE_COLLISION: scale while preserving collisionality
; SCALE_GREENWALD: scale while preserving the Greenwald fraction
iscal = SCALE_OFF
[output]
; Output data parameters
; ECRH&CD profiles grid:
; Radial coordinate
; RHO_TOR: ρ_t = √Φ (where Φ is the normalised toroidal flux)
; RHO_POL: ρ_p = √ψ (where ψ is the normalised poloidal flux)
ipec = 1
; Number of points
nrho = 501
; Subsampling factors:
istpr = 5 ; beam cross section (units 8, 12)
istpl = 5 ; outer rays data (unit 33)
[misc]
; Other parameters
; Radius of the inner wall (m) [multipass module]
; (when ipass<0, used to build a simple limiter for reflections)
rwall = 1.36