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Adjust Function Hysys


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#1 Daniel89

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Posted 09 March 2022 - 07:08 AM

Hi, I am not very experienced with HYSYS, but I find the adjust function very useful. I have used it several places in a plant simulation I am working on. The issue I have is that i need to simulate a lot of different design cases, and when I change the feed pressure / temperature / flow etc. I would like the adjust functions to automatically adjust the adjusted variable to get the specified targe variables.

 

Could someone provide med with some tips on how to achieve this? It will save med a lot of work! 

 

Thank you,

Best regards,

Daniel



#2 SilverShaded

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Posted 09 March 2022 - 07:17 AM

It should be running automatically whenever you change a parameter in the flowsheet.


Edited by SilverShaded, 09 March 2022 - 07:17 AM.


#3 Daniel89

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Posted 09 March 2022 - 08:49 AM

I also thought that was the point from a purely logical standpoint. I am in online mode, but I need to go into the adjust function and press reset for it to re-calculate. I usually use values from spreadsheets to get a target variable. Do you have any Idea what I am doing wrong?

 

best regards,

Daniel



#4 SilverShaded

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Posted 09 March 2022 - 10:05 AM

Hard to say without seeing the model, could be the calculation sequence is out of order or the spreadsheet isn't updating for some reason.



#5 Daniel89

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Posted 09 March 2022 - 01:44 PM

Ok, I could upload the file if that would help. The thing is that i have checked te spreadsheet and the values is updated, but the adjust function won't re-calculate, I need to press reset in the adjust function to make it re-calculate. 

 

I have tried to make several files to see if something is wrong with the file, but I have the same problem there.



#6 SilverShaded

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Posted 14 March 2022 - 03:19 AM

Ok, I could upload the file if that would help. The thing is that i have checked te spreadsheet and the values is updated, but the adjust function won't re-calculate, I need to press reset in the adjust function to make it re-calculate. 

 

I have tried to make several files to see if something is wrong with the file, but I have the same problem there.

If you upload i could have a quick look.



#7 Daniel89

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Posted 08 April 2022 - 06:19 AM

 

 

 

Ok, I could upload the file if that would help. The thing is that i have checked te spreadsheet and the values is updated, but the adjust function won't re-calculate, I need to press reset in the adjust function to make it re-calculate. 

 

I have tried to make several files to see if something is wrong with the file, but I have the same problem there.

If you upload i could have a quick look.

 

Thanks for the help SilverShaded, I found out the error eventually :) 






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