Alphabetical list for input.tglf

ADIABATIC_ELEC

Definition

Use adiabatic electrons.

Comments

  • DEFAULT = .false.


ALPHA_E

Definition

Multiplies ExB velocity shear for spectral shift model.

Comments

  • DEFAULT = 1.0


ALPHA_MACH

Definition

Multiplies parallel velocity for all species.

Comments

  • DEFAULT = 0.0


ALPHA_P

Definition

Multiplies parallel velocity shear for all species.

Comments

  • DEFAULT = 1.0


ALPHA_QUENCH

Definition

Choices

  • ALPHA_QUENCH = 1.0: use quench rule

  • ALPHA_QUENCH = 0.0: use new spectral shift model

Comments

  • DEFAULT = 0.0


ALPHA_SA

Definition

Normalized pressure gradient.

Comments

  • DEFAULT = 0.0


AS_1

Definition

Species array of densities \({\frac {n_{s}}{n_{e}}}\).

Comments

  • DEFAULT = 1.0 , 1.0


BETAE

Definition

\(\beta _{e}\,\!\) defined with respect to \(B_{\rm {unit}}\,\!\).

Comments

  • DEFAULT = 0.0


B_MODEL_SA

Definition

0/1 to exclude/include the B(theta) factor in k_per.

Comments

  • DEFAULT = 1


DEBYE

Definition

Debye length/gyroradius.

Comments

  • DEFAULT = 0.0


DEBYE_FACTOR

Definition

Multiplies the debye length.

Comments

  • DEFAULT = 1.0


DELTA_LOC

Definition

Comments

  • DEFAULT = 0.0


DRMAJDX_LOC

Definition

\({\frac {\partial R_{maj}}{\partial x}}\).

Comments

  • DEFAULT = 0.0


DRMINDX_LOC

Definition

Allows for x different than r \({\frac {\partial r}{\partial x}}\).

Comments

  • DEFAULT = 1.0


DZMAJDX_LOC

Definition

\({\frac {\partial Z_{maj}}{\partial x}}\).

Comments

  • DEFAULT = 0.0


ETG_FACTOR

Definition

Exponent for ETG saturation rule.

Comments

  • DEFAULT = 1.25


FILTER

Definition

Sets threshold for frequency/drift frequency to filter out non-driftwave instabilities.

Comments

  • DEFAULT = 2.0


FIND_WIDTH

Definition

Choices

  • FIND_WIDTH = .true. : find the width that maximizes the growth rate

  • FIND_WIDTH = .false. : use width

Comments

  • DEFAULT = .true.


FT_MODEL_SA

Definition

1 uses trapped fraction at the outboard midplane.

Comments

  • DEFAULT = 1


GCHAT

Definition

Multiplies the curvature drift irreducible terms.

Comments

  • DEFAULT = 1.0


GEOMETRY_FLAG

Definition

Geometry type.

Choices

  • GEOMETRY_FLAG = 0: \(s-\alpha\)

  • GEOMETRY_FLAG = 1: Miller

  • GEOMETRY_FLAG = 2: Fourier

  • GEOMETRY_FLAG = 3: ELITE

Comments

  • DEFAULT = 1


GHAT

Definition

Multiplies the curvature drift closure terms.

Comments

  • DEFAULT = 1.0


GRADB_FACTOR

Definition

Multiplies the gradB terms.

Comments

  • DEFAULT = 0.0


IBRANCH

Definition

Choices

  • IBRANCH = 0: find two most unstable modes one for each sign of frequency, electron drift direction (1), ion drift direction (2)

  • IBRANCH = -1: sort the unstable modes by growthrate in rank order

Comments

  • DEFAULT = -1


IFLUX

Definition

Compute quasilinear weights and mode amplitudes.

Comments

  • DEFAULT = .true.


KAPPA_LOC

Definition

Elongation of flux surface, \(\kappa \,\!\).

Comments

  • DEFAULT = 1.0


KX0_LOC

Definition

kx0/ky ballooning mode offset.

Comments

  • DEFAULT = 0.0


KY

Definition

\(k_{\theta }\rho _{s,{\rm {unit}}}\,\!\) for single-mode call to TGLF.

Comments

  • DEFAULT = 0.3


KYGRID_MODEL

Definition

Choices

  • KYGRID_MODEL = 0: user defined with NKY modes up to KY equal spaced

  • KYGRID_MODEL = 1: standard ky spectrum for transport model

Comments

  • DEFAULT = 1


LINSKER_FACTOR

Definition

Multiplies the Linsker terms.

Comments

  • DEFAULT = 0.0


MASS_1

Definition

Species masses normalized to \(m_{D}\).

Comments

  • DEFAULT = me/md , 1.0


NBASIS_MAX

Definition

Maximum number of parallel basis functions.

Comments

  • DEFAULT = 4


NBASIS_MIN

Definition

Minimum number of parallel basis functions.

Comments

  • DEFAULT = 2


NEW_EIKONAL

Definition

Choices

  • NEW_EIKONAL = .true. : compute the eikonal

  • NEW_EIKONAL = .false. : use the eikonal computed on the last call to TGLF made with tglf_new_eikonal_in = .true.

Comments

  • DEFAULT = .true.


NKY

Definition

Number of poloidal modes in the high-k spectrum of TGLF_TM.

Comments

  • DEFAULT = 12


NMODES

Definition

Number of modes to store for tglf_ibranch_in = -1.

Comments

  • DEFAULT = 2


NS

Definition

Number of species including both electrons and ions.

Comments

  • DEFAULT = 2


NWIDTH

Definition

Maximum number of widths used in search for maximum growth rate.

Comments

  • DEFAULT = 21


NXGRID

Definition

Number of nodes in Gauss-Hermite quadrature.

Comments

  • DEFAULT = 16


PARK

Definition

Multiplies the parallel gradient term.

Comments

  • DEFAULT = 1.0


P_PRIME_LOC

Definition

\({\frac {qa^{2}}{rB_{unit}^{2}}}{\frac {\partial p}{\partial r}}\).

Comments

  • DEFAULT = 0.0


Q_LOC

Definition

Absolute value of the safety factor, \(ABS(q)\,\!\).

Comments

  • DEFAULT = 2.0


Q_PRIME_LOC

Definition

\({\frac {q^{2}a^{2}}{r^{2}}}s\).

Comments

  • DEFAULT = 16.0


Q_SA

Definition

Absolute value of safety factor.

Comments

  • DEFAULT = 2.0


RLNS_1

Definition

Species array of normalized density gradients \(-{\frac {a}{n_{s}}}{\frac {dn_{s}}{dr}}\).

Comments

  • DEFAULT = 1.0 , 1.0


RLTS_1

Definition

Species array of normalized temperature gradients \(-{\frac {a}{T_{s}}}{\frac {dT_{s}}{dr}}\).

Comments

  • DEFAULT = 3.0 , 3.0


RMAJ_LOC

Definition

Flux surface centroid major radius \(R_{maj}/a\,\!\).

Comments

  • DEFAULT = 3.0


RMAJ_SA

Definition

Normalized major radius of flux surface \(R_{maj}/a\,\!\).

Comments

  • DEFAULT = 3.0


RMIN_LOC

Definition

Flux surface centroid minor radius \(r/a\,\!\).

Comments

  • DEFAULT = 0.5


RMIN_SA

Definition

Normalized minor radius of flux surface \(r/a\,\!\).

Comments

  • DEFAULT = 0.5


SAT_RULE

Definition

Choices

  • SAT_RULE = 0 default saturation rule

Comments

  • DEFAULT = 0


SHAT_SA

Definition

Magnetic shear \({\frac {r}{q}}{\frac {\partial q}{\partial r}}\).

Comments

  • DEFAULT = 1.0


SIGN_BT

Definition

Sign of \(B_{T}\) with repsect to CCW toroidal direction from top.

Comments

  • DEFAULT = 1


SIGN_IT

Definition

Sign of \(I_{T}\) with repsect to CCW toroidal direction from top.

Comments

  • DEFAULT = 1


S_DELTA_LOC

Definition

Shear in triangularity, \(r{\frac {\partial \delta }{\partial r}}\).

Comments

  • DEFAULT = 0.0


S_KAPPA_LOC

Definition

Shear in elongation, \({\frac {r}{\kappa }}{\frac {\partial \kappa }{\partial r}}\).

Comments

  • DEFAULT = 16.0


S_ZETA_LOC

Definition

Shear in squareness, \(r{\frac {\partial \zeta }{\partial r}}\).

Comments

  • DEFAULT = 0.0


TAUS_1

Definition

Species array of temperatures \({\frac {T_{s}}{T_{e}}}\).

Comments

  • DEFAULT = 1.0 , 1.0


THETA0_SA

Definition

\(\theta _{0}={\frac {k_{x}}{sk_{y}}}\).

Comments

  • DEFAULT = 0.0


THETA_TRAPPED

Definition

Parameter to adjust trapped fraction model.

Comments

  • DEFAULT = 0.7


USE_BISECTION

Definition

Use bisection search method to find width that maximizes growth rate.

Comments

  • DEFAULT = .true.


USE_BPAR

Definition

Include compressional magnetic fluctuations, \(\delta B_{\lVert }}\).

Comments

  • DEFAULT = .false.


USE_BPER

Definition

Include transverse magnetic fluctuations, \(\delta A_{\lVert }\).

Comments

  • DEFAULT = .false.


USE_INBOARD_DETRAPPED

Definition

Set trapped fraction to zero if eigenmode is inward ballooning.

Comments

  • DEFAULT = .false.


USE_MHD_RULE

Definition

Ignore pressure gradient contribution to curvature drift.

Comments

  • DEFAULT = .true.


USE_TRANSPORT_MODEL

Definition

Comments

  • DEFAULT = .true.


VEXB

Definition

Normalized of ExB velocity Doppler shift common to all species (not in use, see VPAR).

Comments

  • DEFAULT = 0.0


VEXB_SHEAR

Definition

Normalized toroidal ExB velocity Doppler shift gradient common to all species. For large ExB velocity ordering \(V_{tor}=V_{ExB}\) \(-SIGN(I_{tor}){\frac {r}{ABS(q)}}{\frac {\partial }{\partial r}}({\frac {V_{ExB}}{R}}){\frac {a}{c_{s}}}\).

Comments

  • DEFAULT = 0.0


VPAR_1

Definition

Species array of parallel velocities \(SIGN(I_{tor}){\frac {R_{maj}V_{tor}}{Rc_{s}}}\).

Comments

  • DEFAULT = 0.0 , 0.0


VPAR_MODEL

Definition

Choices

  • VPAR_MODEL = 0: low-Mach-number limit

Comments

  • DEFAULT = 0


VPAR_SHEAR_1

Definition

Normalized parallel velocity gradient \(-SIGN(I_{tor})R_{maj}{\frac {\partial }{\partial r}}({\frac {V_{tor}}{R}}){\frac {a}{c_{s}}}\).

Comments

  • DEFAULT = 0.0 , 0.0


VPAR_SHEAR_MODEL

Definition

Depricated parameter.

Comments

  • DEFAULT = 0


WD_ZERO

Definition

Cutoff for curvature drift eigenvalues to prevent zero.

Comments

  • DEFAULT = 0.1


WIDTH

Definition

Maximum width of the Gaussian measure for the parallel Hermite polynomial basis.

Comments

  • DEFAULT = 1.65


WIDTH_MIN

Definition

Minimum width used in search for maximum growth rate.

Comments

  • DEFAULT = 0.3


WRITE_WAVEFUNCTION_FLAG

Definition

Self-explanatory.

Comments

  • DEFAULT = 0


XNUE

Definition

Electron-ion collision frequency \({\frac {v_{ei}}{c_{s}/a}}\).

Comments

  • DEFAULT = 0.0


XNU_FACTOR

Definition

Multiplies the trapped/passing boundary electron-ion collision terms.

Comments

  • DEFAULT = 1.0


XNU_MODEL

Definition

Collision model.

Choices

  • XNU_MODEL = 2: new

Comments

  • DEFAULT = 2


XWELL_SA

Definition

Magnetic well.

Comments

  • DEFAULT = 0.0


ZEFF

Definition

Effective ion charge.

Comments

  • DEFAULT = 1.0


ZETA_LOC

Definition

Squareness, \(\zeta \,\!\) , of flux surface.

Comments

  • DEFAULT = 0.0


ZMAJ_LOC

Definition

Flux surface centroid elevation \(Z_{maj}/a\,\!\).

Comments

  • DEFAULT = 0.0


ZS_1

Definition

Species charge numbers.

Comments

  • DEFAULT = -1.0 , 1.0

—-Return to table of inputs