The format of the interpolation file is as follows:
The first line is the interpolation file version. It is 2 for files generated using ANSYS Fluent 12.0 through 14.0, 3 for text files generated using ANSYS Fluent 14.5, 4 for binary files generated using single precision ANSYS Fluent 14.5, and 5 for files generated using double precision ANSYS Fluent 14.5.
The second line is the dimension (2 or 3).
The third line is the total number of points.
The fourth line is the total number of fields (temperature, pressure, and so on) included.
Starting at the fifth line is a list of field names. To see a complete list of the field names used by ANSYS Fluent, enter the display/contour text command and view the available choices by pressing Enter at the contours of> prompt. The list depends on the models turned on.
After the field names is a section for each list of , , and (in 3D) coordinates for all the data points.
At the end is a section for each list of the field values at all the points in the same order as their names. The number of coordinate and field points should match the number given in line 3.
For version 3 interpolation files, the sections are bounded by “(” and “)”.
For version 4 and 5 interpolation files, the sections are bounded by “(” and “\nEnd of Binary Section 0)”.
The delimiters help skip a section if the associated model is not enabled. With version 2 interpolation files (where the delimiters do not exist), sections may not be skipped properly if the size of the field cannot be determined without enabling the associated model. This may result in incorrect interpolation of the subsequent field variables.
Important: An interpolation file written with ANSYS Fluent 14.5 and above is not readable in prior versions of ANSYS Fluent.