Custom Unit Operation using Python - English

Questions posted on ST Forums:

• The DWSIM inbuilt functions

  Hello,where can I find all the DWSIM inbuilt functions? such as Getphase, Getprop, Setprop, WriteMessage and ...secondly, in DWSIM Flowsheet, I make stream called feed which is ims1. ims1 includes multiple components. I want to extract mole fraction of every component by Getprop function:ims1.GetProp('fraction', 'Overall', Ethylene, '', 'mole')ims1.GetProp('fraction', 'Overall', Oxygen, '', 'mole')  .  .but an Error occurs! 28/12/2021 5:24:59 PMErrorUO-01: KeyNotFoundException : The given key was not present in the dictionary.   at System.ThrowHelper.ThrowKeyNotFoundException()   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)   at DWSIM.Thermodynamics.Streams.MaterialStream.GetProp(String property, String phase, Object compIds, String calcType, String basis) in C:\Users\Daniel\source\repos\DanWBR\dwsim6\DWSIM.Thermodynamics\Material Stream\MaterialStream.vb:line 3255What should I do?Regards+ Info

  03-04M 10-20S Amirnmt
  
  
  Answer last updated on: Aug. 27, 2021, 9:53 p.m.

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• Error while running flowsheet

  After writing the Python script, the flowsheet is not working. It is showing error.

  12-13M 0-10S 190020056
  
  
  Answer last updated on: June 8, 2021, 6:57 p.m.

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• Flash Spec

  Hello Sir/Ma'am,What are Flash Spec. calculations?How to select the variables that need to be passed to the flash spec calculations (eg. P and H were passed in the spoken tutorial)? Thanks in advance!

  13-14M 20-30S Yashraj987
  
  
  Answer last updated on: April 26, 2021, 11:04 a.m.

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• CAPE-OPEN Unit operation python

  How do I create a CAPE OPEN based unit operation written in Python? Is there an example for Interface Reference, any example tutorial/project would be great. Thanks!

  01-02M 0-10S alis
  
  
  Answer last updated on: Oct. 13, 2020, 3:01 p.m.

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