Hello,
I'm attempting a fairly simple flow problem with just a heat generating source in the middle of a box. There is a fan facing directly at the object and vents on the opposite side. The goal is to insure the object doesn't reach a maximum temperature.
I'm attempting to match experimental data with the FloWorks model to later optimize the layout. The data I have spans 15 minutes = 900 seconds. However, when I run FloWorks in the necessary time-dependent mode, each iteration only covers a physical time span of ~.04 seconds. Some quick math indicates there will be ~30,000 iterations required which is time consuming.
Thus, my question is: Is there a way to set the number of iteration for a given time span (ie 1 iteration covers .5 seconds)... or simply some way to cut down on the number of iterations for the allotted physical time span? I don't have a problem sacrificing accuracy.
Thanks for your assistance.
CC
I'm attempting a fairly simple flow problem with just a heat generating source in the middle of a box. There is a fan facing directly at the object and vents on the opposite side. The goal is to insure the object doesn't reach a maximum temperature.
I'm attempting to match experimental data with the FloWorks model to later optimize the layout. The data I have spans 15 minutes = 900 seconds. However, when I run FloWorks in the necessary time-dependent mode, each iteration only covers a physical time span of ~.04 seconds. Some quick math indicates there will be ~30,000 iterations required which is time consuming.
Thus, my question is: Is there a way to set the number of iteration for a given time span (ie 1 iteration covers .5 seconds)... or simply some way to cut down on the number of iterations for the allotted physical time span? I don't have a problem sacrificing accuracy.
Thanks for your assistance.
CC
only 0.04 sec per iteration? pretty good! I've been running a transient analysis and it runs at 8 seconds per iteration. My target is 1800 seconds, I'm up to 1500 seconds, so do the math...
to reduce time per iteration, keep experimenting with number of cells, and be sure to not specify anything extra, like heat conduction is solids, humidity, etc. keep your analysis as simple as possible.
Warning! If you accidentally restart your anaylsis, you will lose all your work! So make backup copies!! This happened to me at 1200 seconds...... and no, I didn't have a backup.
Best regards, Rich.