N

N2OEquilibrium Mass Fraction

Equilibrium mass fraction of N2O,

Y_{N 2 O}^{e q}

in Eqn. (4046).


Function Name:	`N2OEquilibrium Mass Fraction`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

Net Reaction Rate <species>

The overall mass source term due to chemical reaction of the species.


Function Name:	`ProductRate<species>`
Dimensions:	[Mass/Volume-Time]
Default units:	kg/m³-s
Type:	Scalar
Activated by:	Reacting Species Transport

Net Wall Heat Flux Coefficient, A

Net Wall Heat Flux Coefficient, B

Net Wall Heat Flux Coefficient, C

Net Wall Heat Flux Coefficient, D

The net wall heat flux coefficients

A

B

C

D

In a multiphase continuum, versions of these field functions are created for each phase.

See User Wall Heat Flux Coefficient Specification.


Function Name:	`Net Wall Heat Flux Coefficient, A\|B\|C\|D`
Dimensions:	[Power/Length²]
Default units:	W/m²
Type:	Scalar
Activated by:	Coupled Energy, Coupled Solid Energy, Segregated Fluid Enthalpy, Segregated Fluid Temperature, Segregated Solid Energy

Niyama Criterion of <Phase> @ <Critical Temperature>

The Niyama Criterion of the melting-solidifying phase. (The field function Niyama Criterion of <Phase> in earlier releases now corresponds to Niyama Criterion of <Phase> @T_solidus.)


Function Name:	`NiyamaPhase 1_Tsolidus`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Criteria Functions

NO2Equilibrium Mass Fraction

Equilibrium mass fraction of NO2,

Y_{N O 2}^{e q}

in Eqn. (4045).


Function Name:	`NO2Equilibrium Mass Fraction`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

NOEquilibrium Mass Fraction

Equilibrium mass fraction of NO,

Y_{N O}^{e q}

in Eqn. (4044).


Function Name:	`NOEquilibrium Mass Fraction`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

Non-Conformal Interface Faces

Displays the cells of any non-conformal interfaces between fluid/solid or solid/solid boundaries.


Function Name:	`NonConformalInterfaceFaces`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Volume mesh models

Non-Ideal solution Correction to Salt Migration

\frac{ⅆ (ln f_{\pm})}{ⅆ (ln c)}

in Eqn. (4096).


Function Name:	`ElectrolyteDlnfAOverdlncTerm`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Li-Ion Concentration

NonmanifoldEdges

Displays any non-manifold edges on the surface. Only available for surface meshes.


Function Name:	`NonmanifoldEdges`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Importing parts, using the surface mesher

Non-Newtonian Horizontal Temperature Shift Factor

a_{T}

in Eqn. (731) .When the simulation is independent of temperature

a_{T} = 1


Function Name:	`NonNewtonianHorizontalTemperatureShiftFactor`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Viscous Flow, Viscous Energy

Non-Newtonian Vertical Temperature Shift Factor

b_{T}

in Eqn. (731). When the simulation is independent of temperature

b_{T} = 1


Function Name:	`NonNewtonianVerticalTemperatureShiftFactor`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Viscous Flow, Viscous Energy

NO Mass Fraction

Mass fraction of NO,

Y_{N O}

in Eqn. (4044).


Function Name:	`NO Mass Fraction`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

NO2 Mass Fraction

Mass fraction of NO2,

Y_{N O 2}

in Eqn. (4044).


Function Name:	`NO2 Mass Fraction`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

NoraEgrFormationEnthalpyCorrection

TBS


Function Name:	`NoraEgrFormationEnthalpyCorrection`
Dimensions:	[Energy/Mass]
Default units:	J/kg
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

NoraScaledEnthalpy

TBS


Function Name:	`NoraScaledEnthalpy`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NOx Relaxation Approach (NORA) model

Normal

A unit length vector perpendicular (orthogonal) to the boundary.


Function Name:	`Normal`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Vector
Activated by:	Meshfree DEM model

Normal Bond Stress

The normal stress in a bond, used in damage and failure modeling. See

δ_{max}

in Eqn. (3292). To access this field function, select the bonded particles models.


Function Name:	`NormalBondStress`
Dimensions:	[Stress]
Default units:	Pa
Type:	Scalar
Activated by:	Flexible Fiber, Particle Agglomeration, Particle Clumps

Normalized Span of [Virtual Disk]

Normalized radius (values from 0 through 1 where 0 corresponds to the origin of the virtual disk and 1 corresponds to the outer radius of the virtual disk) of cells within the virtual disk with respect to the local coordinate system of the virtual disk.


Function Name:	`VirtualDiskNormalizedSpan<n>`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Virtual Disk

Normalized Average Molar Concentration of [porous phase]

The average molar concentration

c_{a v g, i}

that is normalized by the maximum intercalated species concentration

c_{\max, i}

. The values range from 0 to 1.


Function Name:	NormalizedAverageMolarConcentration[porous phase]
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Sub-grid Particle Intercalation

Normalized Surface Molar Concentration of [porous phase]

The surface molar concentration

c_{s u r f, i}

that is normalized by the maximum intercalated species concentration

c_{\max, i}

. The values range from 0 to 1.


Function Name:	`NormalizedSurfaceMolarConcentration[porousphase]`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Sub-grid Particle Intercalation

Normalized Span Star of [Virtual Disk]

Normalized radius

r^{*}

of the virtual disk as given by Eqn. (4978). The values range from 0 through 1. A value of 0 corresponds to the inner radius (at the hub) and a value of 1 corresponds to the outer radius (at the tip) of the virtual disk. The radius is with respect to the local coordinate system of the virtual disk.


Function Name:	`VirtualDiskNormalizedSpanStar<n>`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Virtual Disk

Normalized Thickness of [Virtual Disk]

Normalized thickness with values from 0 through 1 where 0 is at the outer surface of the virtual disk in the negative Z direction and 1 in the positive Z direction.

This field function is specific to the User Defined Method of the Virtual Disk model. It is made available to access the flow field values to define the volumetric source term through field functions or user coding. You cannot visualize this field function on the volume mesh cells or on the virtual disk mesh points.


Function Name:	`VirtualDiskNormalizedThickness<n>`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Virtual Disk

Nucleation Site Number Density of [Interface]

Nucleation Site Number Density

n ″

in Eqn. (2128) for the Lemmert Chawla model or Eqn. (2132) for the Hibiki-Ishii model.


Function Name:	`NucleationSiteNumberDensity[Interface]`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Wall Nucleate Boiling

Nukiyama Temperature

The Nukiyama Temperature obtained from

T_{c r}

in Eqn. (2825).


Function Name:	`FilmEvaporationLatentHeatFlux`
Dimensions:	[Temperature]
Default units:	K
Type:	Scalar
Activated by:	Habchi Boiling

Number Density of <Phase>

The number of massless particles of <phase> per unit volume of space.


Function Name:	`NumberDensityPhase<n>`
Dimensions:	[/Volume]
Default units:	/m³
Type:	Scalar
Activated by:	Massless Particles model

Number Density of [Species]

Displays the number of particles in

1 / m^{3}

. Calculated by the molar concentration multiplied by the Avogadro constant,

N_{A}

. A separate scalar field function is available for each species.


Function Name:	`NumberDensity<n>`
Dimensions:	[/Volume]
Default units:	/m³
Type:	Scalar
Activated by:	Electrochemical Species

Number of AMG cycles <variable> (CF, with Expert Driver enabled)

The number of multigrid cycles per iteration.


Function Name:	`NoAMGCyclesED`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Flow models

Number of Collisions

The number of collisions in a cell for a particular time-step. (No Time Counter) (Temporary)

To access this field function, select the Solvers > Lagrangian Multiphase node and activate Temporary Storage Retained.


Function Name:	`NumberofCollisions`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	NTC Collision Model

Number of DMR Retained Species

Available when the chemistry acceleration property, Dynamic Mechanism Reduction, is activated. Displays the actual number of species from the full chemical mechanism that the CVODE solver retains and solves for.


Function Name:	`DmrRetainedSpeciesNumber`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Complex Chemistry model

NusseltNumber

The non-dimensional heat transfer coefficient is calculated as:

N u = \frac{{\dot{q}}^{″}_{w a l l}}{T_{r e f} - T_{w a l l}} \frac{L_{r e f}}{k_{r e f}}

where:

${\dot{q}}^{″}_{w a l l}$ is the wall heat flux.
$T_{r e f}$ is the specified Reference Temperature.
$T_{w a l l}$ is the temperature at the wall.
$L_{ref}$ is the specified Reference Length.
$k_{r e f}$ is the specified Reference Thermal Conductivity.


Function Name:	`NusseltNumber`
Dimensions:	[Dimensionless]
Default units:	N/A
Type:	Scalar
Activated by:	Coupled Energy, Segregated Fluid Enthalpy, Segregated Fluid Temperature