Hello, STAR users! We’ve gotten a couple of questions about the type of fit used in the API for STAR, so I thought I would share the answer here.
The STAR API includes a SetThermalFEAFitType command. The allowed types are 0 = direct fit to the temperature data, 1 = direct fit to the index data, 2 = temperature fit + index correction. The GUI currently uses option 2 for polychromatic files and 1 for monochromatic files.
The API, though, always defaults to 1, which is only suitable for models that use a single wavelength.
For best results, always set the fit type to 2. Here’s a code snippet to help you:
surface3 = myStopSystem.LDE.GetSurfaceAt[3].STARData.Temperatures;
surface3.SetThermalFEAFitType(2)
surface3.GetThermalFEAFitType()