Standard Solver GUI

Run Solver GUI

Click Run in the Pre-Processor, this exports the case data (stl, xml files) opens the Solver GUI with the case directory. You can then specify computational resource and click Run to start the simulation.

Run

Starts the simulation with the configured resource

Resume

Resume a simulation from the last check point

Stop

Stops a running simulation. This is attempted gracefully before force terminating the solver.

Extend

Make quick edits to the solver input file to extend the run time of the simulation.

Start M-Star Post

Opens the post-processor with the case results

Browse Case

Opens the file explorer to the case directory (Windows only)

There are two basic modes of executing the M-Star CFD Solver, CPU and GPU mode. In CPU mode, only the CPU processers are used. In GPU mode, the specified GPU accelerators will be used to execute the solver. Is is always recommended to leverage GPUs when using M-Star CFD.

Requirements for Multi GPU usage on Windows:

  • The GPU hardware must have “peer-access”. This lets the GPUs communicate with each other. The Solver GUI will check this requirement before running.

  • The GPU hardware must be configured in TCC mode which means any GPU used in a solver calculation cannot be currently used for any display. This may require using the nvidia-smi utility to configure a given GPU.

  • The GPU hardware must have the same processor architecture

  • For more information about multi-gpu setup and usage see multi-gpu-windows

Scripts

The Solver GUI has a Scripts menu which is a user configurable area for running common tasks. See the Global Scripts documentation. There are some default scripts provided that will require M-Star Python (or equivalent) to be installed.

Restarting a Simulation

Within Windows environments, open the “M-Star Solve” from the Windows start menu. You will be prompted to browse to the case directory corresponding to the simulation you want to restart. Click Resume to continue the simulation.