hello

i have four inlet manifold exhaust system,i have to do analysis in starcd by changing the inlet as per the valve timings. can I change the inlet boundary in certain time interval

how can i proceed with this problem

thanx in advance

bye Rajesh

You can make the inlet conditions a function of time by using a table or a user subroutine. You can even change an inlet into a wall if you want to, though this can only be done with load steps (advanced transients).