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In the previous step, we solved the steady state flow distribution. In this step, we will solve the time-varying temperature distribution.
Click Solve from the Setup tab:
Flow = Off
Solution Mode = Transient
Time Step Size = 5
Inner Iterations = 2
Results Output (Under Save Intervals) = 2
Continue From = s100
Time Steps to Run = 16
Click Solve to start the analysis.
These settings cause the solution to vary with time.
The time step is 5 seconds, and we are running 16 time steps, for a total of 80 seconds. This solves two complete cycles of the transient inlet temperature (period = 40 seconds).
The Results Output of 2 saves every other time step (every 10 seconds).
The number of inner iterations per time step is reduced to 2 because flow-only heat transfer is linear, and does not require the default of 10 inner iterations.
For more about running transient analyses
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