ANSYS® TAS™ is used by many companies for the thermal simulation of satellites.  TAS has direct interfaces with TRASYS, TSS and Thermal Desktop.  These tools are used to define the thermal radiation environment for the satellite.  TRASYS is being used to generate the radiation links between surfaces of the satellite, between the exposed surfaces of the satellite and space as well as define the time dependent heat fluxes on the surfaces due to solar radiation and albedo as the satellite orbits the earth.  TAS generates a complete TRASYS input file.  All that needs to be defined in the TRASYS file is the satellite orbit.  After TRASYS is run, the BCD file generated is directly read by TAS.  Node-to-Surface radiation elements are generated to account for radiation to space from the exposed surfaces.  Surface-to-Surface radiation elements are generated to account for radiation exchange between surfaces of the model.  Time dependent heat flues to the exposed surfaces are also automatically generated when the TRASYS results file is read.

We ship a pre-compiled PC version of TRASYS with our TAS software.  The pre-compiled version can be used to define radiation interchange in any TAS model accounting for view factor, emissivity and shadowing.

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