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When Aspen is calculating, it shows \"AT LEAST ONE FEED HAS ZERO FLOW BLOCK BYPASSED\"

2017-03-16View Original

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I’m a complete beginner; I’m using Aspen to carry out simulation calculations for lithium bromide absorption refrigeration cycles. However, during operation, the message “AT LEAST ONE FEED HAS ZERO FLOW BLOCK BYPASSED” appears, and the program gets stuck. I don’t know what to do. I’m asking the experts here for help – I’d be extremely grateful. It’s possible that I’ve made some very basic mistake, but I can’t identify it right now. Thank you very much :(
Reply #22017-03-17
I can’t open your file. I have version 8.4
Reply #32017-03-19
Yours has a cyclic flow; you need to define a tearing flow – this is one approach. Another way is to disconnect one connection point and then run it
Reply #42017-03-22
Hmm, I now understand what a tearing flow is, but I’m not sure which one to choose. Do you have any relevant materials that you could share? I’m currently reading Teacher Sun Lanyi’s textbook, Chapter 13, but I still find it confusing. Thank you so much

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