That's very interesting. Does yours work with the multicore option?Ft5fTL wrote:It seems its working with your solution. The only different thing is mine uses the cfd support version.
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That's very interesting. Does yours work with the multicore option?Ft5fTL wrote:It seems its working with your solution. The only different thing is mine uses the cfd support version.
Maybe it would be easier for those who have Linux knowledge. For pure windows folk like me, it's easier to run it single core overnightLVDH wrote:On the OF section of CFD-online there are also many people complaining about installation issues on Windows machines. As I do not have one I do not know too much about it.
But would it not be easier to install Linux on a virtual machine and run OF in there?
Yes, I used to do it, but I am not an expert with OpenFOAM and I can't extract the pressure differential when I run the simulation manually on LinuxLVDH wrote:But would it not be easier to install Linux on a virtual machine and run OF in there?
ha, I just checked the log of my simulation and it turns out that it used the cfd support version too.Ft5fTL wrote:It seems its working with your solution. The only different thing is mine uses the cfd support version.
Multicore didnt work for me.Alonso Fan wrote:That's very interesting. Does yours work with the multicore option?Ft5fTL wrote:It seems its working with your solution. The only different thing is mine uses the cfd support version.
I'm running an analysis on my car and I'm 13 hours into a run, on iteration 593 simulation 1. How long do you think is left? Other family members also need to use my pc...CAEdevice wrote:500 (preliminary run) + 800 (refined mesh run) = 1300 iterations
You can extrapolate how much time is left by looking at the time difference between 2 iterations in the .log file. Post-processing only takes a few mins compared to the simulation.Alonso Fan wrote:I'm running an analysis on my car and I'm 13 hours into a run, on iteration 593 simulation 1. How long do you think is left? Other family members also need to use my pc...CAEdevice wrote:500 (preliminary run) + 800 (refined mesh run) = 1300 iterations
I choose the virtual machine to try to "maximise" cost-effectiveness. The first simulation (run 0) is run on a single core even if the VM has multiple core - as it is a small mesh it may be detrimental to run on multiple core. The meshing (snappyHexMesh) of the run_1 is done in sequential. When I tried it I could not get a benefit from running this in parallel. The meshing typically takes around 1 hour and drives the memory requirement (snappyHexMesh is memory hungry).RicME85 wrote:No you cant throw more money at AWS as Julien has it set up on a specific virtual machine (m3 xlarge) which I find takes around 9 to 10 hours. Would have to ask Julien if he could set it to run on the next level up and see how much time it cut off to see if it was cost effective. Costs about $3 a run (you get charge for the storage of the files too so its worth downloading them and deleting them off the server asap)