Radiation solver

Generated from SU2 commit 6b54b78464 on 2026-10-23. Do not edit this page. Edit the comment above the option in Common/src/CConfig.cpp instead.

RADIATION_MODEL

Type of radiation model

More in config_template.cfg: Type of radiation model (NONE, P1)

• Type: one of the values below
• Values: NONE, P1
• Default: NONE
• In config_template.cfg: RADIATION_MODEL = NONE
• Used in 2 test case files, for example: configp1adjoint.cfg (P1)
• Code: CConfig.cpp line 2890

P1_INITIALIZATION

Kind of initialization of the P1 model

More in config_template.cfg: Kind of initialization of the P1 model (ZERO, TEMPERATURE_INIT)

• Type: one of the values below
• Values: ZERO, TEMPERATURE_INIT
• Default: TEMPERATURE_INIT
• In config_template.cfg: P1_INITIALIZATION = TEMPERATURE_INIT
• Used in 1 test case file, for example: configp1.cfg (TEMPERATURE_INIT)
• Code: CConfig.cpp line 2893

ABSORPTION_COEFF

Absorption coefficient

• Type: real number
• Default: 1.0
• In config_template.cfg: ABSORPTION_COEFF = 1.0
• Used in 2 test case files, for example: configp1adjoint.cfg (0.01), configp1.cfg (0.2)
• Code: CConfig.cpp line 2896

SCATTERING_COEFF

Scattering coefficient

• Type: real number
• Default: 0.0
• In config_template.cfg: SCATTERING_COEFF = 0.0
• Used in 1 test case file, for example: configp1.cfg (0.0)
• Code: CConfig.cpp line 2898

HEAT_SOURCE

Apply a volumetric heat source as a source term (NO, YES) in the form of an ellipsoid

More in config_template.cfg: Apply a volumetric heat source as a source term (NO, YES) in the form of an ellipsoid (YES, NO)

• Type: YES / NO
• Default: NO
• In config_template.cfg: HEAT_SOURCE = NO
• Code: CConfig.cpp line 2901

HEAT_SOURCE_VAL

Value of the volumetric heat source

• Type: real number
• Default: 0.0
• In config_template.cfg: HEAT_SOURCE_VAL = 1.0E6
• Code: CConfig.cpp line 2903

HEAT_SOURCE_ROTATION_Z

Rotation of the volumetric heat source respect to Z axis

More in config_template.cfg: Rotation of the volumetric heat source respect to Z axis (degrees)

• Type: real number
• Default: 0.0
• In config_template.cfg: HEAT_SOURCE_ROTATION_Z = 0.0
• Code: CConfig.cpp line 2905

HEAT_SOURCE_CENTER

Position of heat source center (Heat_Source_Center_X, Heat_Source_Center_Y, Heat_Source_Center_Z)

• Type: fixed-size list of real numbers
• Default: Not extracted; see the code.
• In config_template.cfg: HEAT_SOURCE_CENTER = ( 0.0, 0.0, 0.0 )
• Code: CConfig.cpp line 2908

HEAT_SOURCE_AXES

Vector of heat source radii (Heat_Source_Axes_A, Heat_Source_Axes_B, Heat_Source_Axes_C)

More in config_template.cfg: Vector of heat source radii (Heat_Source_Radius_A, Heat_Source_Radius_B, Heat_Source_Radius_C)

• Type: fixed-size list of real numbers
• Default: Not extracted; see the code.
• In config_template.cfg: HEAT_SOURCE_AXES = ( 1.0, 1.0, 1.0 )
• Code: CConfig.cpp line 2911

MARKER_EMISSIVITY

Wall emissivity of the marker for radiation purposes Format: ( marker, emissivity of the marker, … )

• Type: list of (string, real number) pairs
• In config_template.cfg: MARKER_EMISSIVITY = ( MARKER_NAME, 1.0 )
• Used in 2 test case files, for example: configp1adjoint.cfg (( body, 1.0, farfield, 1.0 )), configp1.cfg (( left, 1.0, right, 1.0 ))
• Code: CConfig.cpp line 2915

CFL_NUMBER_RAD

Courant-Friedrichs-Lewy condition of the finest grid in radiation solvers

• Type: real number
• Default: 1.0
• In config_template.cfg: CFL_NUMBER_RAD = 1.0E3
• Used in 2 test case files, for example: configp1adjoint.cfg (1.0E4), configp1.cfg (1E4)
• Code: CConfig.cpp line 2918