I want to simulate a sudden flowrise on a tube. So i start the calculation with a flow of 0 m3/s and then
within a small time span I raise the flow to 0.1 m3/sec.
is this possible and how can i do this? Can i change the period of time also?
change the velocity/flow rate over time in the boundary condition
you'll create a curve for your change so the period is up to you
you'll juts need to make sure the timestep is small enough to capture the changes
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