slow iterate after loading case and data file with udf

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  • Last Post 03 July 2019
mysm posted this 03 July 2019

hi

when I load a saved Case or Data file and run the calculation to continue previous calculations. it iterates very slow!

but when initialize and start the same from first there is no problem!

Ansys 19.3

CentOS 7.4

10 Cluster node

totally 160 core/320 thread

I tried this method too: stop at end of iteration> save the case and data > without exiting fluent. read the files again (case,data,udf no changes) and continue to calc.... but the problem exists.

3 times I restarted the clusters and head-node.

10 times I closed the fluent and run again.

rwoolhou posted this 03 July 2019

What does the UDF do?

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