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Different results when running on different number of threads

User: "Josh Fontana"
Josh Fontana
Altair Community Member
Updated by Josh Fontana

Hi Everyone,

I am running an acusolve job on an HPC cluster, and I found that the results are different for the same test-case run on different numbers of threads. And if I run the job on 6 threads, or 10 thread, it gives me this warning:

*** WARNING: inflow at outflow boundary: Outlet_3 (mass/time: in=-1.487182e-09, out=3.392650e-03)

whereas it does not give that warning if I run on 3, 4, 5, or 8 threads.

 

Some output log files are attached. Does anyone know what the problem might be?

 

The case itself is a simple internal flow problem through an expanding circular duct.

 

Thanks,

Josh

cone_flow_solid_10_threads.1.Log
cone_flow_solid_4_threads.1.Log
cone_flow_solid_5_threads.1.Log
cone_flow_solid_6_threads.1.Log
cone_flow_solid_8_threads.1.Log

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