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-   -   CFD-Post: create chart from a large data set (https://www.cfd-online.com/Forums/ansys/206166-cfd-post-create-chart-large-data-set.html)

Kosch August 30, 2018 22:39

CFD-Post: create chart from a large data set
 
Hi,

Explanation of the Situation:
I made a transient Fluent simulation which includes small time steps and a long time period to simulate.



I created an expression and variable (minimum species concentration in an area) and plotted this expression vs time as a chart in CFD-Post.




The issue:
That does work well, but it takes forever (1-2h) to render the chart. I think the main issue is that CFD-Post goes through my 200,000 timesteps and calculates the expression.


What I would like to do:
I have a few more simulations to analyse and I really only need like 100 points between start and end time in the plot. Is there a way to tell the chart in CFD post how many points to use?



Kind Regards

Kosch


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