A spatial distribution of wall temperature or heat flux can be specified using Tecplot ASCII files. The file must be set in GMC under the "Heat transfer" tab of the panel group either under "Temperature" or "Heat flux" and contain the variables Temperature or HeatFluxWall, respectively. It can be a multi-zone file, with structured ij-data or a point cloud. The allowed variables are listed below:

Variable	Description
`CoordinateX`	coordinate in x-direction in [m]
`CoordinateY`	coordinate in y-direction in [m]
`CoordinateZ`	coordinate in z-direction in [m]
`CoordinateR`	radius r in [m]
`HeatFluxWall`	wall heat flux into the domain in [W/m²]
`Temperature`	wall temperature in [K]

Depending on the coordinates in the file, the panel surface can be specified in two ways using:

CoordinateX, CoordinateY and CoordinateZ
CoordinateX and CoordinateR

The wall temperature or heat flux will then be interpolated to the face centers in the respective coordinate system.

Example: Specification temperature on 3D surface
TITLE = "3D temperature distribution"

VARIABLES = "CoordinateX" "CoordinateY" "CoordinateZ" "Temperature"

ZONE T = "Blade", I = 221, J = 314, DATAPACKING = POINT

[...]

Example: Specification of temperature in x-r plane
TITLE = "x-r temperature distribution"

VARIABLES = "CoordinateX" "CoordinateR" "Temperature"

ZONE T = "Blade", I = 221, J = 314, DATAPACKING = POINT

[...]

Example: Special case: radial temperature profile stored as rectangle with variation in CoordinateR
TITLE = "Radial temperature profile"

VARIABLES = "CoordinateX" "CoordinateR" "Temperature"

ZONE T = "Blade", I = 2, J = 3, DATAPACKING = POINT

0 0.1 300

0 0.2 350

0 0.4 500

1 0.1 300

1 0.2 350

1 0.4 500

Note: Purely radial profiles need to be specified with CoordinateX as well. The data can be arranged in a simple rectangle which contains the panel.

Precondition: The currently implemented interpolation algorithm requires the input data to be at a resolution reasonably close to the target resolution for everything but simple radial distributions.