A

Aborted Parcel Count

The number of parcels that are aborted in each cell during tracking. If a parcel crosses between neighboring cells more than 200 times, it is aborted—removed from the simulation—to avoid performance degradation. Such parcels are most likely stuck in an infinite loop and indicate bad meshing and poorly resolved velocity fields. Temporary Storage is retained.


Function Name:	`AbortedParcelCount`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Lagrangian Multiphase

Abrasive Wear Rate

The rate at which material is being eroded from a boundary by abrasion.


Function Name:	`AbrasiveWearRate`
Dimensions:	[Mass/Length^2-Time]
Default units:	kg/m^2-s
Type:	Scalar
Activated by:	Abrasive Wear

Absolute Pressure

The sum of the static pressure and the reference pressure. It is used to obtain density by the Ideal Gas Law, Eqn. (671).


Function Name:	`AbsolutePressure`
Dimensions:	[Pressure]
Default units:	Pa
Type:	Scalar
Activated by:	Coupled or Segregated Flow, Fluid Film Flow, Eulerian Multiphase Flow

Absolute Total Pressure

The sum of the total pressure

P_{t}

and the reference pressure

p_{ref}

$P_{t, abs} = (P_{t} + p_{ref})$


Function Name:	`AbsoluteTotalPressure`
Dimensions:	[Pressure]
Default units:	Pa
Type:	Scalar
Activated by:	Coupled or Segregated Flow, Fluid Film Flow

Absorption Coefficient

The absorption coefficient for the media. For spectral radiation (multiband), each band has a separate variable which is differentiated by the band index, for example Absorption Coefficient 0 for the first band.


Function Name:	`AbsorptionCoefficient`
Dimensions:	[/Length]
Default units:	/m
Type:	Scalar
Activated by:	Gray Thermal Radiation, k-Distribution Thermal Radiation

Accretion Ratio

The ratio of the rate at which ice melts to the rate at which droplets impinge, according to

- {\dot{m}}_{m e l t} / {\dot{m}}_{d}


Function Name:	`AccretionRatio`
Dimensions:	[Dimensionless]
Default units:	n/a
Type:	Scalar
Activated by:	Lagrangian Multiphase, Ice Accretion, Temporary Storage Retained (Deicing).

Accumulated Specific Surface Charge

Displays on a surface, the time integral of the specific electric current which is used in the starting criterion duriing the current time step, when the Electro-Deposition Coating property, Starting Criterion, is set to Accumulated Specific Surface Charge.


Function Name:	`AccumulatedSpecificSurfaceCharge`
Dimensions:	[Electric Charge/Length^2]
Default units:	s-A/m^2
Type:	Scalar
Activated by:	Electro-Deposition Coating

Accumulated Stripping Mass

Mass accumulated from the surface but not stripped because of insufficient VOF mass in the cell.


Function Name:	`code_name`
Dimensions:	[dimensions]
Default units:	units
Type:	type
Activated by:	Lagrangian Multiphase

Accumulated Surface Charge Density

Surface charge density accumulation on a charge accumulation interface. [C/m²].


Function Name:	`AccumulatedSurfaceChargeDensity`
Dimensions:	[Electric Charge/Length^2]
Default units:	s-A/m^2
Type:	Scalar
Activated by:	Charge Accumulation

Activity Coefficient of [liquid component]

The film phase component activity coefficient in Eqn. (2778). This property is set to 1 for the Raoult's Law model.


Function Name:	`ActivityCoefficient[liquid component]`
Dimensions:	[Dimensionless]
Default units:	n/a
Type:	Scalar
Activated by:	Activity Coefficient

Acoustic CFL in Wave Equation

The Acoustic CFL (

c \frac{Δ t}{Δ x}

, where

c

is the speed of sound) is computed in the whole domain, based on the mesh size and time step.


Function Name:	`WaveEquationAcousticCFL`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Acoustic Wave, Lighthill Wave

Acoustic Density

ρ_{a}

in Eqn. (4723) for the Acoustic Wave model and in Eqn. (4739) for the Perturbed Convective Wave model.


Function Name:	`AcousticDensity`
Dimensions:	[Mass/Volume]
Default units:	kg/m^3
Type:	Scalar
Activated by:	Acoustic Wave, Perturbed Convective Wave
Requires:	Evaluate APE Fields For Post FW-H (Acoustic Wave model)

Acoustic Potential

ϕ^{a}

in Eqn. (4735).


Function Name:	`AcousticPotential`
Dimensions:	[Length^2/Time]
Default units:	m^2/s
Type:	Scalar
Activated by:	Perturbed Convective Wave

Acoustic Pressure

P_{a}

in Eqn. (4723) for the Acoustic Wave model and

p^{a}

in Eqn. (4738) for the Perturbed Convective Wave model.


Function Name:	`AcousticPressure`
Dimensions:	[Pressure]
Default units:	Pa
Type:	Scalar
Activated by:	Acoustic Wave, Perturbed Convective Wave

Acoustic Pressure Gradient

Acoustic Pressure Recon

The computed gradient fields using Simcenter STAR-CCM+ gradient options.


Function Name:	`AcousticPressureGrad`, `AcousticPressureRGrad`
Dimensions:	[Pressure/Length]
Default units:	Pa/m
Type:	Array
Activated by:	Acoustic Wave
Requires:	Temporary Storage Retained (Acoustic Wave solver)

Acoustic Pressure Residual

The residual on the current solution for acoustic pressure

p^{a}

in Eqn. (4713).


Function Name:	`AcousticPressureResidual`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Acoustic Wave
Requires:	Temporary Storage Retained (Acoustic Wave solver)

Acoustic Pressure Second Time Derivative

Acoustic Pressure Time Derivative

The second time derivative of acoustic pressure,

\frac{\partial^{2} p^{a}}{\partial t^{2}}

, and the first time derivative of acoustic pressure,

\frac{\partial p^{a}}{\partial t}

. The fields are used for the Newmark solver.


Function Name:	`AcousticPressureTimeDerivative, AcousticPressureSecondTimeDerivative`
Dimensions:	[Pressure/Time]
Default units:	Pa/s
Type:	Scalar
Activated by:	Acoustic Wave
Requires:	Temporary Storage Retained (Acoustic Wave solver)

Acoustic Source

The right-hand side of Eqn. (4735) for the Acoustic Wave model and the right-hand side of Eqn. (4735) for the Perturbed Convective Wave model


Function Name:	`AcousticSource`
Dimensions:	[Pressure/Length^2]
Default units:	Pa/m^2
Type:	Scalar
Activated by:	Acoustic Wave, Perturbed Convective Wave
Requires:	Temporary Storage Retained (Perturbed Convective Wave solver)

Acoustic Suppression Zone Boundary Distance

The distance

d

from the centroid of a cell in the Acoustic Suppression Zone to the boundary using Acoustic Suppression. See Eqn. (4749).


Function Name:	`BufferZoneBoundaryDistance`
Dimensions:	[Length]
Default units:	m
Type:	Scalar
Activated by:	Acoustic Suppression Zone Boundary Distance

Acoustic Suppression Zone Relaxation Coefficient

The value

σ

in Eqn. (4749).


Function Name:	`BufferZoneRelaxationCoefficient`
Dimensions:	[/Time]
Default units:	/s
Type:	Scalar
Activated by:	Acoustic Suppression Zone

Acoustic Suppression Zone specific continuity source

The rate of mass transfer into the Acoustic Suppression Zone, derived from

Q

in Eqn. (4749).


Function Name:	`BufferZoneContinuitySources`
Dimensions:	[Mass/Volume-Time]
Default units:	kg/m³-s
Type:	Scalar
Activated by:	Acoustic Suppression Zone

Acoustic Suppression Zone specific energy source

The rate of energy transfer into the Acoustic Suppression Zone, derived from

Q

in Eqn. (4749).


Function Name:	`BufferZoneEnergySources`
Dimensions:	[Energy/Volume]
Default units:	J/m³
Type:	Scalar
Activated by:	Acoustic Suppression Zone

Acoustic Suppression Zone specific momentum source

The rate of momentum transfer into the Acoustic Suppression Zone, derived from

Q

in Eqn. (4749).


Function Name:	`BufferZoneMomentumSources`
Dimensions:	[Force/Volume]
Default units:	N/m³
Type:	Vector
Activated by:	Acoustic Suppression Zone

Acoustic Velocity

v_{a}

in Eqn. (4724) for the Acoustic Wave model and

v^{a}

in Eqn. (4740) for the Perturbed Convective Wave model.


Function Name:	`Acoustic Velocity`
Dimensions:	[Velocity]
Default units:	m/s
Type:	Vector
Activated by:	Acoustic Wave, Perturbed Convective Wave
Requires:	Evaluate APE Fields For Post FW-H (Acoustic Wave model)

ActiveForce

The total hydrodynamic force

f

that a fluid exerts on a wall boundary.

f = n_{Γ} \cdot (- p I + T)

, where

n_{Γ}

is the unit normal vector on boundary

Γ

p

is pressure, and

T

is the stress tensor. (Viscous Flow).


Function Name:	`ActiveForce`
Dimensions:	[Force]
Default units:	kg-m/s²
Type:	Array
Activated by:	Viscous Flow

Adjoint Error Estimates of [cost function]

Adjoint error estimates of the respective cost function. See

{A E r r}^{L}

in Eqn. (5122).


Function Name:	`Adjoint1 ::AdjointErrorEstimate`
Dimensions:	[Field Function Dependant]
Default units:	Field Function Dependant
Type:	Field Function Dependant
Activated by:	Adjoint Error Estimates

Adaption Cell Size

Indicates the current cell size in the volume mesh.


Function Name:	`AdaptionCellSize`
Dimensions:	[Length]
Default units:	m
Type:	Scalar
Activated by:	Adaptive Mesh

Adaption Element Type

Outputs element type identifier as shown in the following table:


Element Topology	Element Type Identifier
Tetrahedron	10
Hexahedron	12
Wedge	13
Pyramid	14
Unidentified	41
Polyhedron	42


Function Name:	`AmrElemType`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Adaptive Mesh

Adaption Refinement Status

Identifies the status of cells. The available values are:

0 (Supported) - can be refined
1 (Fixed) - cells of incorrect octant depth provided by the trimmer. Octant depth indicates the number of splitting the mesh root octant— a bounding box which encapsulates the whole mesh.
2 (Unsupported) - not supported cells. For example an unclosed cell.
4 (Inconsistent Refinement) - unrefinable cells in the initial trimmed mesh due to inconsistent cell configurations with neighboring cells.
8 (Disabled Prism) - prism cells whose refinement is disabled by the Prism Cell Refinement of the Adaptive Mesh model.
9 (Adaption Incompatible) - cells incident with a boundary interface to a shell region. Shell region refinement is not supported by AMR.
16 (Poor Quality) - cells that would result in poor quality child cells
33 (Too Big Face) - cells with a face having 32 or more vertices. Big face edges can not be divided through AMR.
34 (Inconsistent Refinement) - unrefinable cells from the current mesh due to inconsistent cell configurations with neighboring cells. Similar to 4, but used for inconsistencies appeared after one or more cell refinements. These cells can not be further refined. However, a coarsening back to the previous cell size is possible.


Function Name:	`AmrMask`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Adaptive Mesh

Adjoint of <cost_function> w.r.t. <selection>

Adjoint of the respective cost function.

Available cost functions:

Drag
Efficiency
Expression
Force
Force Cost Function
Heat Transfer
Heat Transfer Cost Function
Lift
Mass Flow
Moment
Pressure Drop
Pressure Ratio
Surface Uniformity
Swirl Cost Function
Tumble and Swirl
Tumble Cost Function
Uniformity
Uniformity Cost Function

See $Λ_{Q}$ in Eqn. (5084), whose components are the Adjoint w.r.t. Continuity, Adjoint w.r.t. X-, Y-, Z-momentum, and Adjoint w.r.t. Energy and Adjoint w.r.t Sparlart-Allmaras Turbulence if the model is enabled.

Continuity

The adjoint with respect to continuity. This value tells you the sensitivity of the cost function with respect to local changes in mass within the domain.

X-, Y-, Z-momentum

The adjoint with respect to momentum. This value tells you the sensitivity of the cost function with respect to local changes in X-, Y-, and Z-momentum within the domain.

Energy

The adjoint with regard to energy. This value tells you the sensitivity of the cost function with regard to local changes in energy within the domain.

Position

The adjoint with respect to position. See

\frac{ⅆ L}{ⅆ D}

in Eqn. (5087). This value tells you the sensitivity of the cost function with respect to displacement boundary position.

Sparlart-Allmaras Turbulence

The adjoint with respect to the Sparlart-Allmaras Turbulence equation. The value gives the sensitivity of the objective with respect to changes in the Sparlart-Allmaras equation.

Note	Available only when Adjoint Sparlart-Allmaras Turbulence is enabled.


Function Name:	`Adjoint1::<selection>`
Dimensions:	Continuity: Force-Time/Mass X-, Y-, Z-momentum: Dimensionless Energy: Force-Time/Energy Position: Force/Length Sparlart-Allmaras Turbulence:
Default units:	Continuity: N-s/kg X-, Y-, Z-momentum: Dimensionless Energy: N-s/J Position: N/m Sparlart-Allmaras Turbulence:
Type:	Array for Energy; else Scalar
Activated by:	Continuity: Adjoint, Adjoint Flow X-, Y-, Z-momentum: Adjoint, Adjoint Flow Energy: Adjoint, Adjoint Flow Position: Adjoint Mesh Deformation Sparlart-Allmaras Turbulence: Adjoint Spalart-Allmaras

AImode Combustion Heat Release Rate

Heat release rate due to auto-ignition in the unburnt gases zone.


Function Name:	`AImode Combustion Heat Release Rate`
Dimensions:	[Energy/Volume-Time]
Default units:	J/m³-s
Type:	Scalar
Activated by:	ECFM-3Z, ECFM-CLEH

ALF Momentum Source Term

The volumetric forcing source term

f_{b, ALF}

defined in Eqn. (1471).


Function Name:	`Alf Momentum Source Term`
Dimensions:	[Velocity]
Default units:	m/s
Type:	Array
Activated by:	Anisotropic Linear Forcing

Ambient Temperature

The ambient temperature.


Function Name:	`AmbientTemperature`
Dimensions:	[Temperature]
Default units:	K
Type:	Scalar
Activated by:	Turbulent, Coupled Energy

Ambipolar Electric Field

E_{A}

in Eqn. (4204), Eqn. (4206), or Eqn. (4216), as calculated by the Ambipolar Diffusion model.


Function Name:	`Ambipolar Electric Field`
Dimensions:	[Electric Potential/Length]
Default units:	N/A-s
Type:	Vector
Activated by:	Ambipolar Diffusion

Amg Eqn Index Coupled Implicit

[TBS]


Function Name:	`Amg Eqn Index Coupled Implicit`
Dimensions:	[Dimensionless]
Default units:	n/a
Type:	Scalar
Activated by:	Coupled Implicit Solver

Ammonia

Displays the mass fraction of ammonia.


Function Name:	`Ammonia`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Fuel

APE Total Density

The far-field value

Σ ρ

in Eqn. (4725).


Function Name:	`APETotalDensity`
Dimensions:	[Mass/Volume]
Default units:	kg/m³
Type:	Scalar
Activated by:	Acoustic Wave
Requires:	Evaluate APE Fields For Post FW-H (Acoustic Wave model)

APE Total Pressure

The far-field value

Σ P

in Eqn. (4726).


Function Name:	`APETotalPressure`
Dimensions:	[Pressure]
Default units:	Pa
Type:	Scalar
Activated by:	Acoustic Wave
Requires:	Evaluate APE Fields For Post FW-H (Acoustic Wave model)

APE Total Velocity

The far-field value

Σ v

in Eqn. (4726).


Function Name:	`APETotalVelocity`
Dimensions:	[Velocity]
Default units:	m/s
Type:	Vector
Activated by:	Acoustic Wave
Requires:	Evaluate APE Fields For Post FW-H (Acoustic Wave model)

Apparent Pressure Gradient

The gradient of the face pressure

p_{f}

using Gauss theorem.


Function Name:	`ApparentPressureGradient`
Dimensions:	[Pressure/Length]
Default units:	Pa/m
Type:	Array
Activated by:	Melting-Solidification

Apparent Viscosity

The apparent viscosity as given by Eqn. (730). This value is defined at the cell center and can depend on time, shear rate, temperature, and structure variable

λ


Function Name:	`ApparentViscosity`
Dimensions:	[Pressure-Time]
Default units:	Pa-s
Type:	Scalar
Activated by:	Thixotropic

Applied Force

Vector field function that represents the resultant of the applied surface and point loads. At a node

M

, it is defined as:

Figure 1. EQUATION_DISPLAY

f_{M}^{a} = \int_{S} N_{M}^{T} τ d S + \int_{C} N_{M}^{T} \bar{q} d C + f_{M}

(5319)

where

N_{M}

is a nodal shape function (see Eqn. (4550)),

τ

is the prescribed surface traction integrated over the relevant surfaces

S

\bar{q}

is the prescribed line load integrated over the relevant curves

C

, and

f_{M}

is the point load prescribed at node

M


Function Name:	`AppliedForce`
Dimensions:	[Force]
Default units:	N
Type:	Vector
Activated by:	Solid Stress

Ap Ratio of [phase]

The ratio between diagonal and non diagonal terms of the

\bar{a}

coefficient matrix in Eqn. (930). The ratio is defined as

A_{p} = \frac{\sum a_{o f f D i a g}}{a_{D i a g} + \sum a_{o f f D i a g}}

, and the range is [0,1]. High Ap-Ratio of [phase] values indicate strong coupling between phases, in such case using the Phase Coupled momentum interpolation approach could improve convergence.


Function Name:	`ApRatio[phase]`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Eulerian Multiphase Flow

Ap Velocity


Function Name:	`ApVelocity`
Dimensions:	[Velocity-Mass/Time]
Default units:	N
Type:	Scalar
Activated by:	Melting-Solidification

Area

Displays the area of the cell faces.

Magnitude: Displays the absolute value of area.
Laboratory: Displays the value of area normal to the i, j, or k directions.


Function Name:	`Area`
Dimensions:	[Length²]
Default units:	m²
Type:	Vector
Activated by:	Importing parts, using the surface remesher, using volume mesh models (PartSurfaceFieldFunctionRegistry, Harmonic Balance, Three Dimensional, Axisymmetric, Two Dimensional, SurfaceRep, SurfaceThreeDimensionalModel)

AUSM Shock Sensor


Function Name:	`Shock Sensor`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Coupled Flow

Autoignition Temperature

The temperature at which a material ignites, and at which reaction time begins to accumulate.


Function Name:	`AutoignitionTemperature`
Dimensions:	[Temperature]
Default units:	K
Type:	Scalar
Activated by:	Exothermic Solid

Available Volume

The ratio of volume occupied by all fluid phases to the total cell volume.


Function Name:	`AvailableVolume`
Dimensions:	[Volume]
Default units:	m^3
Type:	Scalar
Activated by:	Eulerian Multiphase Flow

Average Molar Concentration of [porous phase]

The volume-weighted average molar concentration of the species of the particle,

c_{a v g, i}


Function Name:	AverageMolarConcentration[porous phase]
Dimensions:	[Quantity/Volume]
Default units:	kmol/m^3
Type:	Scalar
Activated by:	Sub-grid Particle Intercalation

Average Mushy Zone Permeability

The volume-weighted mushy zone permeability of a mixture, which is calculated from the mushy zone permeability of the component phases.


Function Name:	`AverageMushyZonbePermeability`
Dimensions:	[Length^2]
Default units:	m^2
Type:	Scalar
Activated by:	Mushy Zone Permeability

Average Mushy Zone Porous Viscous Resistance

The dynamic viscosity of the mixture divided by Average Mushy Zone Permeability. This field function is provided because the effect of a resistance on the flow is easier to understand than the effect of a permeability.


Function Name:	`AverageMushyZonePorousViscousResistance`
Dimensions:	[Mass/Length^3-Time]
Default units:	kg/m^3-s
Type:	Scalar
Activated by:	Mushy Zone Permeability

Average Profile: [Field Function]

This field function allows you to evaluates the averages of a field from the input surfaces into discrete bins using the parameters that the axisymmetric parametrization computes.


Function Name:	`Average Profile: [FieldFunction] Field`
Dimensions:	[Velocity]
Default units:	m/s
Type:	Scalar
Activated by:	Average Profile

Average Slurry Viscosity

The volume-weighted slurry viscosity of the mixture, which is calculated from the slurry viscosities of the component phases.


Function Name:	`AverageSlurryViscosity`
Dimensions:	[Pressure-Time]
Default units:	Pa-s
Type:	Scalar
Activated by:	Slurry Viscosity

Average Zone Flag

This field function allows you to visualize the sampling volumes used when Simcenter STAR-CCM+ averages the computed fields across sampling volumes adjacent to the coupled boundaries, to provide the transition from the three dimensional to one dimensional solution.


Function Name:	`AverageZoneFlag`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	GT-SUITE Co-Simulation

Axial Velocity

The axial component of velocity

v_{a x}

relative to the axis and origin in the coordinate system given under the Axis node of the region.

This field function is not available in Eulerian multiphase models for 3-D cases.


Function Name:	`AxialVelocity`
Dimensions:	[Velocity]
Default units:	m/s
Type:	Scalar
Activated by:	Coupled or Segregated Flow, Fluid Film Flow

[Axisymmetric Parameterization] M

The axisymmetric parameterization in the meridional direction (the arclength from stage inlet to stage outlet).


Function Name:	`[AxisymmetricParameterization]M`
Dimensions:	[Length]
Default units:	m
Type:	Scalar
Activated by:	Parameterization

[Axisymmetric Parameterization] M Normalized

The normalized axisymmetric parameterization in the meridional direction (the normalized arclength from stage inlet to stage outlet).


Function Name:	`[AxisymmetricParameterization]MNormalized`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Parameterization

[Axisymmetric Parameterization] M Prime

The axisymmetric parameterization in the meridional direction scaled by the inverse radius,

1 / r

(the arclength from stage inlet to stage outlet scaled by the inverse radius).


Function Name:	`[AxisymmetricParameterization]MPrime`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Parameterization

[Axisymmetric Parameterization] M Prime Normalized

The axisymmetric parameterization in the meridional direction scaled by the inverse radius,

1 / r

and normalized (the normalized arclength from stage inlet to stage outlet scaled by the inverse radius).


Function Name:	`[AxisymmetricParameterization]MPrimeNormalized`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Parameterization

[Axisymmetric Parameterization] S

The axisymmetric parameterization in the spanwise direction (the arclength from hub to shroud)


Function Name:	`[AxisymmetricParameterization]S`
Dimensions:	[Length]
Default units:	m
Type:	Scalar
Activated by:	Parameterization

[Axisymmetric Parameterization] S Normalized

The normalized axisymmetric parameterization in the spanwise direction (the arclength from hub to shroud)


Function Name:	`[AxisymmetricParameterization]SNormalized`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Parameterization