PRE-PROCESSING
GASP needs an XML input deck, a grid and solution file, and a chemistry database file in order to execute.
Creating an XML Input Deck for GASP
A user can create the input deck with the aid of GASP's Graphical User Interface (GUI).
The GUI has a graphics window which allows the grid to be viewed for ease of setup.
Grid Generation for GASP
GASP does not come with built-in grid generation. Our customers use a wide range of commercial and government codes to meet the structured grid generation needs.
Through the GUI, a user can read in and convert several grid formats to GASP Version 4. The supported formats include: Plot3D (ASCII or binary) and CGNS.
The grid and solution are stored in platform independent binary files (separate files for each).
For steady state problems, GASP stores the solution for the entire domain in a single binary file. For time accurate problems, the solution at user specified times are stored in additional files (one file for each time step). Through the Graphical User Interface (GUI), a user can convert all or part of the GASP grid and solution files into compatible formats usable by a wide range of visualization packages including FAST, FIELDVIEW, EnSight and Tecplot. In addition, GASP provides post processing support for the following formats:
Multi-Zone Plot3D Ascii, Unformatted, and Binary formats
Ascii line output
Integrated quantities in table or component format.
The GUI can also be used as a post processing viewer. Within the GUI, the user can view solid or line contours, as well as velocity or momentum vectors.
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