Change boundary conditions during transient simulation
I have a problem about changing the BC during transient simulation. There are tubes and chamber in the system. In the beginning of simulation, there are respectively pressure inlet and outlet BC on tube inlet and outlet. After 10 ms, tube outlet has to be closed about 8-10 ms and fluid fill in the chamber. Then outlet is open again.
So how can i change the pressure outlet BC to the velocity outlet (velocity=0) or wall?
I tried to change to wall by using events in dynamic mesh menu but it gave error like this,
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