September 14, 2020, 04:50
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How to write OpenFoam data from memory, do not write on hard disk
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#1
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New Member
TAN WEIKAI
Join Date: Aug 2017
Posts: 1
Rep Power: 0
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Hi Fomers,
After blindly writing each time step data on hard disk for a while, the writing speed of my hard disk becomes super low (900 kb/s ![Confused](https://www.cfd-online.com/Forums/images/smilies/confused.gif) ![Confused](https://www.cfd-online.com/Forums/images/smilies/confused.gif) ). The data size for each simulation can be 100GB...(Yea, I just saved data from 0 to 1000s, write data every 0.125s). In fact, my tests should be periodic, but I need 100 cycles to wait for tests (current) to be fully converged.
Three short questions: - 1 Can I control the writing process of OpenFoam, make it start to write at a specific time step?
- 2 Can I save the data to memory (my workstation has memory 64GB), and then read data from memory?
- 3 Can I rescue my hard disk since its writting speed has become unacceptably slow...
Best regards ![Smile](https://www.cfd-online.com/Forums/images/smilies/smile.gif) ,
Tanwk
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