# /EBCS/INLET

Block Format Keyword Define the inlet elementary boundary condition used with /MAT/LAW151.

## Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
/EBCS/INLET/form/ebcs_ID/unit_ID
ebcs_title
surf_ID vel_flag
fct_IDvx Fscalevx fct_IDvy Fscalevy fct_IDvz Fscalevz
fct_IDvf1 Fscalevf1 fct_IDrho1 Fscalerho1 fct_IDp_e1 Fscalep_e1
etc etc etc etc etc etc
fct_IDvfN FscalevfN fct_IDrhoN FscalerhoN fct_IDp_eN Fscalep_eN

## Definitions

Field Contents SI Unit Example
form Formulation of INLET boundary condition.
VE
Input density and energy using fct_IDp_e and Fscalep_e
VP
Input density and pressure using fct_IDp_e and Fscalep_e

ebcs_ID Elementary boundary condition identifier.

(Integer, maximum 10 digits)

unit_ID Unit Identifier

(Integer, maximum 10 digits)

ebcs_title Elementary boundary condition title.

(Character, maximum 100 characters)

surf_ID Surface identifier.

(Integer)

vel_flag Velocity type of INLET boundary.
=0 (Default)
Input normal velocity in fct_IDvx and Fscalevx.
=1
Input 3 components of the velocity.

(Integer)

fct_IDvx If vel_flag =0, function ${\mathrm{f}}_{VX}\left(t\right)$ identifier is the normal velocity.

If vel_flag =1, function ${\mathrm{f}}_{VX}\left(t\right)$ identifier for X velocity.

=-1
Velocity is interpolated, based other defined inputs.
=0
${V}_{X}=Fscal{e}_{VX}$ .
= n
${V}_{X}=Fscal{e}_{VX}\cdot {\mathrm{f}}_{VX}\left(t\right)$ .

(Integer)

Fscalevx If vel_flag =0, normal velocity scale factor

If vel_flag =1, X velocity scale factor

Default = 0.0 (Real)

$\left[\frac{\text{m}}{\text{s}}\right]$
fct_IDvy Function ${\mathrm{f}}_{VY}\left(t\right)$ identifier for Y velocity.
=-1
Velocity is interpolated, based other defined inputs.
=0
${V}_{Y}=Fscal{e}_{VY}$ .
= n
${V}_{Y}=Fscal{e}_{VY}\cdot {\mathrm{f}}_{VY}\left(t\right)$ .

(Integer)

Fscalevy Y velocity scale factor

Default = 0 (Real)

$\left[\frac{\text{m}}{\text{s}}\right]$
fct_IDvz Function ${\mathrm{f}}_{VZ}\left(t\right)$ identifier for Z velocity.
=-1
Velocity is interpolated, based other defined inputs.
=0
${V}_{Z}=Fscal{e}_{VZ}$ .
= n
${V}_{Z}=Fscal{e}_{VZ}\cdot {\mathrm{f}}_{VZ}\left(t\right)$ .

(Integer)

Fscalevz Z velocity scale factor.

Default = 0 (Real)

$\left[\frac{\text{m}}{\text{s}}\right]$
Repeat the following lines for each /MAT/LAW151 submaterial 1 through N
Field Contents SI Unit Example
fct_IDvf1 Function ${\mathrm{f}}_{vf}\left(t\right)$ identifier for volume fraction.
=-1
Volume fraction is interpolated, based other defined inputs.
=0
$VolumeFraction=Fscal{e}_{vf}$ .
= n
$Volumefraction=Fscal{e}_{vf}\cdot {\mathrm{f}}_{vf}\left(t\right)$ .

(Integer)

Fscalevf1 Alpha scale factor.

Default = 0 (Real)

fct_IDrho1 Function ${\mathrm{f}}_{rho}\left(t\right)$ identifier for density.
=-1
Density is interpolated, based other defined inputs.
=0
$\rho =Fscal{e}_{rho}$ .
= n
$\rho =Fscal{e}_{rho}\cdot {\mathrm{f}}_{rho}\left(t\right)$ .

(Integer)

Fscalerho1 Density scale factor.

Default = 0 (Real)

$\left[\frac{\text{kg}}{{\text{m}}^{\text{3}}}\right]$
fct_IDp_e1 If form =VE, function identifier for energy, ${\mathrm{f}}_{p_e}\left(t\right)$ .

If form =VP, function identifier for pressure ${\mathrm{f}}_{p_e}\left(t\right)$ .

=-1
P or E is interpolated, based other defined inputs.
=0
.
= n
.

(Integer)

Fscalep_e1 If form =VE, energy scale factor.

If form =VP, pressure scale factor.

Default = 0 (Real)

$\left[\frac{\text{m}}{\text{s}}\right]$