Hello,

I need to do some transient fluid flow simulations of a component for my master thesis and currently I'm stuck with an issue. For my project I have to run simulations of some seconds, and I need no less than 0.1s for my time step. The issue is that when I run the simulation the time step appears as you can see on the image below. Time steps of about 5E10^-5, wich result in calculation times of about 30h+. It's a lot. I've already set a manual time step of 0.1s under time step settings, in calculation control options>solving and this behavior remains. What am I missing here? I would apreciate some help because I need to run quite a few simulation and with this issue it would take me weeks to run them. I'm running Solidworks 2016.

Thank you very much in advance,

Tiago Antonio

The time step is dynamic and will change so the actual solve time maybe a lot less than 30 hours and is an estimate at best. More help could be provided with some description of the problem to be solved. For instance, if the object is the diffusion of some quantity, like heat, then the use of flow freezing can speed up the calc substantially but it depends on what you are doing and whether the technique is appropriate. Just mucking with the time step directly can lead to the computation of non realistic results if the situation is not well understood.