Generally, as the number of compute nodes increases, turnaround time for solutions will decrease. The compute-node processes can be executed on a massively-parallel computer, a multiple-CPU workstation, or a network cluster of computers. The number of partitions is equal to or less than the number of processors (or cores) available on your compute cluster. Parallel ANSYS Fluent splits up the mesh and data into multiple partitions, then assigns each mesh partition to a different compute process (or node). ANSYS Fluent interacts with the host process and the collection of compute nodes using a utility called cortex that manages ANSYS Fluent’s user interface and basic graphical functions. Parallel processing in ANSYS Fluent involves an interaction between ANSYS Fluent, a host process, and a set of compute-node processes.
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