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The issue of Aspen going from steady state to dynamic state

2009-08-24View Original

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The steady-state condition of the atmospheric pressure tower I built has converged, and it is possible to switch to dynamic mode, but it won’t run in dynamic mode (the run button is gray and cannot be clicked). What’s going on? Could someone please give me some advice? Thank you
Reply #22009-08-24
Let’s redo the steady state and then switch to dynamic mode to see how it works If it’s still the same, it might be a problem with dynamic.
Reply #32009-08-25
It hasn’t been initialized, I guess. . . . . . . . . . . .
Reply #42009-08-28
I’ve tried #2 yanyu002 several times, and it still behaves the same way; however, following the example, it works when run. I created my own version, but it doesn’t work even when run dynamically
Reply #52009-08-28
3# hu*aowu: Initialization on the dynamic side cannot be carried out
Reply #62009-08-28
It might be a model issue; are you using a distillation tower or something else?
Reply #72009-08-28
Could it be a problem with the weir height or the pressure between the tray plates?

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