Dynamic piping system

Dymola shows two errors in you model:

  1. pi must be a constant or parameter to comply with the variability of the parameter phase in the sine block. By the way, it is good practice to refer to Modelica.Constants.pi.
  2. in swept1 you set use_portsData = true but donĀ“t provide any port data.

Fixing these two issues, the model simulates but warns you about initial values not being explicitly set.

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