Rather than arranging for the analysis to run for a set number of iterations, it is often useful to specify stopping criteria based on residual values and monitored quantities. For this case, we will define a stopping criterion that checks whether the average upstream pressure monitor has reached a steady value.
A new node named Average Upstream Pressure Monitor Criterion will appear under the Stopping Criteria node.
The analysis will now run until the variation in the Average Upstream Pressure Monitor has a range of less than 0.02 Pa for 10 successive iterations. Since the pressure on the upstream interface is expected to be of the order of 100 Pa, this should only occur when the solution has practically reached convergence.
