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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Fluent GPU and CPU Solvers – Different Results › Reply To: Fluent GPU and CPU Solvers – Different Results

May 24, 2023 at 10:48 pm
RK
Ansys Employee

Hi Michael, 

While the boundary conditions remain the same, the GPU solver might not have included the all the solver settings. Please see this section of the user's guide: 34.9. Features Supported by the Fluent GPU Solver (ansys.com)

In the Fluent console, do you see any messages regarding a solver settings or any value being changed because the GPU solver is enabled? This message usually comes up before the iterations begin. 

Also, I would compare the Fluent transcript file of both the CPU and GPU runs to check if there were any discrepencies.Â