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Dynamic Simulation Failed

hysys dynamic mode phase flipped temperature control

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#1 dynamichysys


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Posted 14 June 2024 - 09:54 AM

I am performing a dynamic simulation for a heater. The disturbance applied is a step function on the control valve in the heater. However, when I run the simulation, there is a warning 'phase flipped' as shown in the attached image. Why is this happening and what should I do?


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