/CONVEC
Block Format Keyword Describes the free or forced convective flux.
Format
(1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) |
---|---|---|---|---|---|---|---|---|---|
/CONVEC/convec_ID/unit_ID | |||||||||
convec_flux_title | |||||||||
surf_IDT | fct_IDT | sens_ID | |||||||
Ascalex | Fscaley | Tstart | Tstop | H |
Definition
Field | Contents | SI Unit Example |
---|---|---|
convec_ID | Free
or forced convective flux block
identifier. (Integer, maximum 10 digits) |
|
unit_ID | Unit Identifier. (Integer, maximum 10 digits) |
|
convec_flux_title | Free
or forced convective flux block
title. (Character, maximum 100 characters) |
|
surf_IDT | Surface identifier. (Integer) |
|
fct_IDT | Time
function identifier for definition temperature in
infinite room
. (Integer) |
|
sens_ID | Sensor identifier. (Integer) |
|
Ascalex | Abscissa (time) scale factor for
fct_IDT. Default = 1.0 (Real) |
|
Fscaley | Ordinate (temperature) scale factor for
fct_IDT. Default = 1.0 (Real) |
|
Tstart | Start time. (Real) |
|
Tstop | Stop
time. Default = 1030 (Real) |
|
H | Heat
transfer coefficient. (Real) |
Example (Thermal Loading)
#RADIOSS STARTER
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/UNIT/11
unit for convection load
kg m s
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/CONVEC/1/11
convect with ambient air
# SURF_ID FCT_ID SENS_ID
4 2002 0
# ASCALE FSCALE TSTART TSTOP H
0 0 0 0 100
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
/FUNCT/2002
temperature of ambient air (with constant temperature 293K)
# X Y
0 293
1 293
#---1----|----2----|----3----|----4----|----5----|----6----|----7----|----8----|----9----|---10----|
#ENDDATA
Comments
- The convective flux
is calculated using:
(1) Where, T is the temperature (unit K).
- /CONVEC is not compatible with ALE applications (/ALE, /EULER). Thermal convection will not be applied to ALE nodes or ALE elements.