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-   -   Montecarlo CFX: Coarsening ratio VS Number of Histories (https://www.cfd-online.com/Forums/cfx/145675-montecarlo-cfx-coarsening-ratio-vs-number-histories.html)

Atze December 10, 2014 06:36

Montecarlo CFX: Coarsening ratio VS Number of Histories
 
Hi all,

I have a question, just a curiosity of mine. In your opinion is it quicker ( in terms of CPU time ) to have a lot of histories keeping the coarsening ratio high (std is 64) or to have lower coarseing ratio ( let's say under 8 for example ) and a lower number of histories?

I think the real question could be : is the number of histories associated to the number of radiating element or to the domain?

Thanks for your opinions


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