/CONVEC

Format

(1)	(2)	(3)	(5)	(7)	(9)
/CONVEC/`convec_ID`/`unit_ID`
`convec_flux_title`
`surf_ID`_T	`fct_ID`_T	`sens_ID`
`Ascale`_x		`Fscale`_y	`T`_start	`T`_stop	`H`

Definitions

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_ID`_T	Surface identifier. (Integer)
`fct_ID`_T	Time function identifier for definition temperature in infinite room $T_{\inf} (t i m e)$ . (Integer)
`sens_ID`	Sensor identifier. (Integer)
`Ascale`_x	Abscissa (time) scale factor for `fct_ID`_T. Default = 1.0 (Real)	$[s]$
`Fscale`_y	Ordinate (temperature) scale factor for `fct_ID`_T. Default = 1.0 (Real)	$[K]$
`T`_start	Start time. (Real)	$[s]$
`T`_stop	Stop time. Default = 10³⁰ (Real)	$[s]$
`H`	Heat transfer coefficient. (Real)	$[\frac{W}{m^{2} K}]$

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)
$\dot{Q} = H (T - T_{\inf} (t i m e))$

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.