Fluent adjust heap size

    • sprice

      I am running a 2D calculation in Fluent 2021 R1 (Windows GUI), after a while I get this message below. We have not found a way to adjust heap size for Windows as suggested in the error.

      Error: Out of Scheme heap space.
      Rerun with -h flag set greater than (multiples of 100000) current value of -h100000.
      Error encountered in critical code section
      The fl process could not be started.

    • Nikhil Narale
      Ansys Employee



      Check these similar forum discussions. 
      Error: Out of Scheme heap space (ansys.com)
      Cannot solve [Error: Out of scheme heap space] ANSYS FLUENT 2019 R3

      I hope this helps! If not, let me know. 




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