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Ansys Learning Forum Forums Discuss Simulation Fluids mysterious high CPU usage in HPC cluster Reply To: mysterious high CPU usage in HPC cluster

lei2019
Subscriber
the mesh is 3 million, and if using double precision, reading data file will encounter issues in ANSYS; H5 temporarily solve this issue. now the data file is about 12GB; if using DP, then it will double the size. and the particle parcel reaches about 50 million, which Fluent has difficulty handling.
The momery has been tracked by cluster administrator every tenth of a second; and no abnormal situation till now.