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Why does time dependent(transient) simulation of fsae intake manifold result in flow in only two runners?

Question asked by Samio Roi on Feb 18, 2013
Latest reply on Feb 21, 2013 by Jared Conway

Hii All,

I was doing a time dependent flow simulation for our manifold. The inlet was set to ambient pressure. The runners were given a data in which the data upper time limit was
0.01365, with steps of 0.000525. The time dependency had a phase difference of 90 deg every cylinder. After running the simulation, I explored the results through a flow trajectory which shows the fluid flow only in 2 of the runners.

It would be great if anyone could help me figure out what else have i left out (like some goal is to be defined). Also the maximum calculation time was set to .017 sec.


Any help is greatly appreciated.