31.3 Field Variables Listed by Category

In Tables  31.3.1- 31.3.14, the following restrictions apply to marked variables:

2d	available only for 2D flows
2da	available only for 2D axisymmetric flows (with or without swirl)
2dasw	available only for 2D axisymmetric swirl flows
3d	available only for 3D flows
ark	available only with the Aungier-Redlich-Kwong real gas model
bns	available only for broadband noise source models
bnv	node values available at boundaries
cpl	available only in the density-based solvers
cv	available only for cell values ( Node Values option turned off)
des	available only when the DES turbulence model is used
dil	not available with full multicomponent diffusion
do	available only when the discrete ordinates radiation model is used
dpm	available only for coupled discrete phase calculations
dtrm	available only when the discrete transfer radiation model is used
fwh	available only with the Ffowcs Williams and Hawkings acoustics model
e	available only for energy calculations
edc	available only with the EDC model for turbulence-chemistry interaction
emm	available also when the Eulerian multiphase model is used
ewt	available only with the enhanced wall treatment
fv	available for face values
gran	available only if a granular phase is present
h2o	available only when the mixture contains water
id	available only when the ideal gas law is enabled for density
ke	available only when one of the $k$- $\epsilon$ turbulence models is used
kklo	available only when the $k$- $kl$- $\omega$ model is used
kw	available only when one of the $k$- $\omega$ turbulence models is used
les	available only when the LES turbulence model is used
melt	available only when the melting and solidification model is used
mix	available only when the multiphase mixture model is used
mp	available only for multiphase models
nox	available only for NOx calculations
np	not available in parallel solvers
nv	uses explicit node value function
p	available only in parallel solvers
p1	available only when the P-1 radiation model is used
pdf	available only for non-premixed combustion calculations
pmx	available only for premixed combustion calculations
ppmx	available only for partially premixed combustion calculations
r	available only when the Rosseland radiation model is used
rad	available only for radiation heat transfer calculations
rc	available only for finite-rate reactions
rg	available only for the real gas models
rsm	available only when the Reynolds stress turbulence model is used
s2s	available only when the surface-to-surface radiation model is used
sa	available only when the Spalart-Allmaras turbulence model is used
seg	available only in the pressure-based solver
sp	available only for species calculations
sr	available only for surface reactions
sol	available only when the solar model is used
soot	available only for soot calculations
sst	available only when the SST Transition model is used
stat	available only with data sampling for transient statistics
stcm	available only for stiff chemistry calculations
t	available only for turbulent flows
turbo	available only when a turbomachinery topology has been defined
udm	available only when a user-defined memory is used
uds	available only when a user-defined scalar is used
v	available only for viscous flows

Table 31.3.1: Pressure and Density Categories

Category	Variable
Pressure...	Static Pressure ( bnv) Pressure Coefficient Dynamic Pressure Absolute Pressure ( bnv) Total Pressure ( bnv) Relative Total Pressure
Density...	Density Density All

Table 31.3.2: Velocity Category

Category

Variable

Velocity...

Velocity Magnitude ( bnv) X Velocity ( bnv) Y Velocity ( bnv) Z Velocity ( 3d, bnv) Swirl Velocity ( 2dasw, bnv) Axial Velocity ( 2da or 3d) Radial Velocity Stream Function ( 2d) Tangential Velocity Mach Number ( id or rg) Relative Velocity Magnitude ( bnv) Relative X Velocity ( bnv) Relative Y Velocity ( bnv) Relative Z Velocity ( 3d, bnv) Relative Axial Velocity ( 2da) Relative Radial Velocity ( 2da) Relative Swirl Velocity ( 2dasw, bnv) Relative Tangential Velocity Relative Mach Number ( id or rg) Mesh X-Velocity ( nv) Mesh Y-Velocity ( nv) Mesh Z-Velocity ( 3d, nv) Velocity Angle Relative Velocity Angle Vorticity Magnitude ( v) Helicity ( v, 3d) X-Vorticity ( v, 3d) Y-Vorticity ( v, 3d) Z-Vorticity ( v, 3d) Cell Reynolds Number ( v) Preconditioning Reference Velocity ( cpl)

Table 31.3.3: Temperature, Radiation, and Solidification/Melting Categories

Category	Variable
Temperature...	Static Temperature ( e, bnv, nv) Total Temperature ( e, nv) Sensible Enthalpy ( e, nv) Enthalpy ( e, nv) Relative Total Temperature ( e) Rothalpy ( e, nv) Fine Scale Temperature ( edc, e) Wall Temperature (Outer Surface) ( fv, e, v) Wall Temperature (Inner Surface) ( fv, e, v) Total Enthalpy ( e) Total Enthalpy Deviation ( e) Entropy ( e) Total Energy ( e) Internal Energy ( e)
Radiation...	Absorption Coefficient ( r, p1, do, or dtrm) Scattering Coefficient ( r, p1, or do) Refractive Index ( do) Radiation Temperature ( p1 or do) Incident Radiation ( p1 or do) Incident Radiation (Band n) ( do (non-gray)) Surface Cluster ID ( fv, s2s)
Solidification/ Melting	Liquid Fraction ( melt) Contact Resistivity ( fv, melt) X Pull Velocity ( melt (if calculated)) Y Pull Velocity ( melt (if calculated)) Z Pull Velocity ( melt (if calculated), 3d) Axial Pull Velocity ( melt (if calculated), 2da) Radial Pull Velocity ( melt (if calculated), 2da) Swirl Pull Velocity ( melt (if calculated), 2dasw)

Table 31.3.4: Turbulence Category

Category

Variable

Turbulence...

Turbulent Kinetic Energy (k) ( ke, kw, or rsm; bnv, nv, or emm) Laminar Kinetic Energy ( kklo) Turbulent Intensity ( ke, kw, or rsm) Intermittency ( sst) Momentum Thickness Re ( sst) UU Reynolds Stress ( rsm; emm) VV Reynolds Stress ( rsm; emm) WW Reynolds Stress ( rsm; emm) UV Reynolds Stress ( rsm; emm) UW Reynolds Stress ( rsm, 3d; emm) VW Reynolds Stress ( rsm, 3d; emm) Turbulent Dissipation Rate (Epsilon) ( ke or rsm; bnv, nv, or emm) Specific Dissipation Rate (Omega) ( kw) Production of k ( ke, kw, or rsm; emm) Modified Turbulent Viscosity ( sa) Turbulent Viscosity ( sa, ke, kw, rsm, or des) Effective Viscosity ( sa, ke, kw, rsm, or des; emm) Turbulent Viscosity Ratio ( ke, kw, rsm, sa, or des; emm) Subgrid Kinetic Energy ( les) Subgrid Turbulent Viscosity ( les) Subgrid Effective Viscosity ( les) Subgrid Turbulent Viscosity Ratio ( les) Subgrid Filter Length ( les) Effective Thermal Conductivity ( t, e) Effective Prandtl Number ( t, e) Wall Ystar ( fv, ke, kw, or rsm) Wall Yplus ( fv, t) Turbulent Reynolds Number (Re_y) ( ke or rsm; ewt) Relative Length Scale (DES) ( des)

Table 31.3.5: Species, Reactions, Pdf, and Premixed Combustion Categories

Category	Variable
Species...	Mass fraction of species-n ( sp, pdf, or ppmx; nv) Mole fraction of species-n ( sp, pdf, or ppmx) Molar Concentration of species-n ( sp, pdf, or ppmx) Lam Diff Coef of species-n ( sp, dil) Eff Diff Coef of species-n ( t, sp, dil) Thermal Diff Coef of species-n ( sp) Enthalpy of species-n ( sp) species-n Source Term ( rc, cpl) Surface Deposition Rate of species-n ( sr) Surface Coverage of species-n ( sr) Relative Humidity ( sp, pdf, or ppmx; h2o) Time Step Scale ( sp, stcm) Fine Scale Mass fraction of species-n ( edc) Cell Time Scale ( edc) EDC Cell Volume Fraction ( edc)
Reactions...	Rate of Reaction-n ( rc) Kinetic Rate of Reaction-n ( rc) Turbulent Rate of Reaction-n ( rc, t) Heat of Reaction ( e, rc) Net Reaction Rate of Species-n ( edc, stcm)
Pdf...	Mean Mixture Fraction ( pdf or ppmx; nv) Secondary Mean Mixture Fraction ( pdf or ppmx; nv) Mixture Fraction Variance ( pdf or ppmx; nv) Secondary Mixture Fraction Variance ( pdf or ppmx; nv) Fvar Prod ( pdf or ppmx) Fvar2 Prod ( pdf or ppmx) Scalar Dissipation ( pdf or ppmx) PDF Table Adiabatic Enthalpy ( pdf or ppmx) PDF Table Heat Loss/Gain ( e, pdf or ppmx)
Premixed Combustion...	Progress Variable ( pmx or ppmx; nv) Damkohler Number ( pmx or ppmx) Stretch Factor ( pmx or ppmx) Turbulent Flame Speed ( pmx or ppmx) Static Temperature ( pmx or ppmx) Product Formation Rate ( pmx or ppmx) Laminar Flame Speed ( pmx or ppmx) Critical Strain Rate ( pmx or ppmx) Adiabatic Flame Temperature ( pmx or ppmx) Unburnt Fuel Mass Fraction ( pmx or ppmx)

Table 31.3.6: NOx, Soot, and Unsteady Statistics Categories

Category	Variable
NOx...	Mass fraction of NO ( nox) Mass fraction of HCN ( nox) Mass fraction of NH3 ( nox) Mass fraction of N2O ( nox) Mole fraction of NO ( nox) Mole fraction of HCN ( nox) Mole fraction of NH3 ( nox) Mole fraction of N2O ( nox) NO Density ( nox) HCN Density ( nox) NH3 Density ( nox) N2O Density ( nox) Variance of Temperature ( nox) Variance of Species ( nox) Variance of Species 1 ( nox) Variance of Species 2 ( nox) Rate of NO ( nox) Rate of Thermal NO ( nox) Rate of Prompt NO ( nox) Rate of Fuel NO ( nox) Rate of N2OPath NO ( nox) Rate of Reburn NO ( nox) Rate of SNCR NO ( nox) Rate of USER NO ( nox)
Soot...	Mass fraction of soot ( soot) Mass fraction of Nuclei ( soot) Mole fraction of soot ( soot) Soot Density ( soot) Rate of Soot ( soot) Rate of Nuclei ( soot)
Unsteady Statistics...	Mean quantity-n ( stat) RMS quantity-n ( stat)

Table 31.3.7: Phases, Discrete Phase Model, Granular Pressure, and Granular Temperature Categories

Category	Variable
Phase Interaction...	Heterogeneous Reaction Rate n
Phases...	Volume fraction ( mp)
Discrete Phase Model...	DPM Mass Source ( dpm) DPM Erosion ( dpm, cv, fv) DPM Accretion ( dpm, cv, fv) DPM X Momentum Source ( dpm) DPM Y Momentum Source ( dpm) DPM Z Momentum Source ( dpm, 3d) DPM Swirl Momentum Source ( dpm, 2dasw) DPM Sensible Enthalpy Source ( dpm, e, rc) DPM Enthalpy Source ( dpm, e) DPM Absorption Coefficient ( dpm, rad) DPM Emission ( dpm, rad) DPM Scattering ( dpm, rad) DPM Burnout ( dpm, sp, e) DPM Evaporation/Devolatilization ( dpm, sp, e) DPM Concentration ( dpm) DPM species-n Source ( dpm, sp, e)
Granular Pressure...	Granular Pressure ( emm, gran)
Granular Temperature...	Granular Temperature ( emm, gran)

Table 31.3.8: Properties Category

Category

Variable

Properties...

Molecular Viscosity ( v) Diameter ( mix, emm) Granular Conductivity ( mix, emm, gran) Thermal Conductivity ( e, v) Specific Heat (Cp) ( e) Specific Heat Ratio (gamma) ( id) Gas Constant (R) ( id or rg) Molecular Prandtl Number ( e, v) Mean Molecular Weight ( seg, pdf) Sound Speed ( id or rg) Compressibility Factor ( rg) Reduced Temperature ( ark) Reduced Pressure ( ark) Critical Temperature ( ark, spe) Critical Pressure ( ark, spe) Acentric Factor ( ark, spe) Critical Specific Volume ( ark, spe) Spinodal Temperature ( ark)

Table 31.3.9: Wall Fluxes, User Defined Scalars, and User Defined Memory Categories

Category	Variable
Wall Fluxes...	Wall Shear Stress ( v, emm, fv) X-Wall Shear Stress ( v, emm, fv) Y-Wall Shear Stress ( v, emm, fv) Z-Wall Shear Stress ( v, 3d, emm, fv) Axial-Wall Shear Stress ( 2da, fv) Radial-Wall Shear Stress ( 2da, fv) Swirl-Wall Shear Stress ( 2dasw, fv) Skin Friction Coefficient ( v, emm, fv) Total Surface Heat Flux ( e, v, fv) Radiation Heat Flux ( fv, rad) Solar Heat Flux ( sol, fv) Absorbed Radiation Flux (Band-n) ( do, fv) Absorbed Visible Solar Flux ( sol, fv) Absorbed IR Solar Flux ( sol, fv) Reflected Radiation Flux (Band-n) ( do, fv) Reflected Visible Solar Flux ( sol, fv) Reflected IR Solar Flux ( sol, fv) Transmitted Radiation Flux (Band-n) ( do, fv) Transmitted Visible Solar Flux ( sol, fv) Transmitted IR Solar Flux ( sol, fv) Beam Irradiation Flux (Band-n) ( do, fv) Surface Incident Radiation ( do, dtrm, or s2s; fv) Surface Heat Transfer Coef. ( e, v, fv) Wall Func. Heat Tran. Coef. ( e, v, fv) Surface Nusselt Number ( e, v, fv) Surface Stanton Number ( e, v, fv)
User Defined Scalars...	Scalar-n ( uds) Diffusion Coef. of Scalar-n ( uds)
User Defined Memory...	udm-n ( udm)

Table 31.3.10: Cell Info and Mesh Categories

Category	Variable
Cell Info...	Cell Partition ( np) Active Cell Partition ( p) Stored Cell Partition ( p) Cell Id ( p) Cell Element Type Cell Zone Type Cell Zone Index Partition Neighbors
Mesh...	X-Coordinate ( nv) Y-Coordinate ( nv) Z-Coordinate ( 3d, nv) Axial Coordinate ( nv) Angular Coordinate ( 3d, nv) Abs. Angular Coordinate ( 3d, nv) Radial Coordinate ( nv) Face Area Magnitude X Face Area Y Face Area Z Face Area ( 3d) Cell Equiangle Skew Cell Equivolume Skew Cell Volume 2D Cell Volume ( 2da) Cell Wall Distance Face Handedness Face Squish Index Cell Squish Index Cell Volume Derivative Cell Volume Error Dynamic Cell Volume Change

Table 31.3.11: Mesh Category (Turbomachinery-Specific Variables) and Adaption Category

Category	Variable
Mesh...	Meridional Coordinate ( nv, turbo) Abs Meridional Coordinate ( nv, turbo) Spanwise Coordinate ( nv, turbo) Abs (H-C) Spanwise Coordinate ( nv, turbo) Abs (C-H) Spanwise Coordinate ( nv, turbo) Pitchwise Coordinate ( nv, turbo) Abs Pitchwise Coordinate ( nv, turbo)
Adaption...	Adaption Function Adaption Curvature Adaption Space Gradient Adaption Iso-Value Existing Value Boundary Cell Distance Boundary Normal Distance Boundary Volume Distance ( np) Cell Volume Change Cell Surface Area Cell Warpage Cell Children Cell Refine Level

Table 31.3.12: Residuals Category

Category

Variable

Residuals...

Mass Imbalance ( seg) Pressure Residual ( cpl) X-Velocity Residual ( cpl) Y-Velocity Residual ( cpl) Z-Velocity Residual ( cpl, 3d) Axial-Velocity Residual ( cpl, 2da) Radial-Velocity Residual ( cpl, 2da) Swirl-Velocity Residual ( cpl, 2dasw) Temperature Residual ( cpl, e) Species-n Residual ( cpl, sp) Time Step ( cpl) Pressure Correction ( cpl) X-Velocity Correction ( cpl) Y-Velocity Correction ( cpl) Z-Velocity Correction ( cpl, 3d) Axial-Velocity Correction ( cpl, 2da) Radial-Velocity Correction ( cpl, 2da) Swirl-Velocity Correction ( cpl, 2dasw) Temperature Correction ( cpl, e) Species-n Correction ( cpl, sp)

Table 31.3.13: Derivatives Category

Category

Variable

Derivatives...

Strain Rate ( v) dX-Velocity/dx dY-Velocity/dx dZ-Velocity/dx ( 3d) dAxial-Velocity/dx ( 2da) dRadial-Velocity/dx ( 2da) dSwirl-Velocity/dx ( 2dasw) d species-n/dx ( cpl, sp) dX-Velocity/dy dY-Velocity/dy dZ-Velocity/dy ( 3d) dAxial-Velocity/dy ( 2da) dRadial-Velocity/dy ( 2da) dSwirl-Velocity/dy ( 2dasw) d species-n/dy ( cpl, sp) dX-Velocity/dz ( 3d) dY-Velocity/dz ( 3d) dZ-Velocity/dz ( 3d) d species-n/dz ( cpl, sp, 3d) dOmega/dx ( 2dasw) dOmega/dy ( 2dasw) dp-dX ( seg) dp-dY ( seg) dp-dZ ( seg, 3d)

Table 31.3.14: Acoustics Category

Category

Variable

Acoustics...

Surface dpdt RMS ( fv, fwh) Acoustic Power Level (dB) ( bns) Acoustic Power ( bns) Jet Acoustic Power Level (dB) ( bns, 2da) Jet Acoustic Power ( bns, 2da) Surface Acoustic Power Level (dB) ( bns, fv) Surface Acoustic Power ( bns, fv) Lilley's Self-Noise Source ( bns) Lilley's Shear-Noise Source ( bns) Lilley's Total Noise Source ( bns) LEE Self-Noise X-Source ( bns) LEE Shear-Noise X-Source ( bns) LEE Total Noise X-Source ( bns) LEE Self-Noise Y-Source ( bns) LEE Shear-Noise Y-Source ( bns) LEE Total Noise Y-Source ( bns) LEE Self-Noise Z-Source ( bns, 3d) LEE Shear-Noise Z-Source ( bns, 3d) LEE Total Noise Z-Source ( bns, 3d)