## Chapter 3: CFX-Solver Files

This chapter describes the file types used and generated by CFX-Solver. The CFX-Solver is run using an input file that is usually the CFX-Solver Input file (.def or .mdef) created by CFX-Pre. For most simulations, the CFX-Solver generates text output and CFX-Solver Results (.res, .trn, .bak, .mres) files. Other files are also generated depending on the physical models used in the simulation, and how the simulation is run (that is, in serial or parallel).

Detailed descriptions of these files and how they are used are presented in the following sections:

- Files Used by the CFX-Solver
- Files Generated by the CFX-Solver

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