

error while simulating CSTR
I am simulating CSTR using this video of fossee group
https://www.youtube.com/watch?v=-P-u-tUwz3g
but it is showing an error while adding material stream
DWSIM


Please share the screenshot of the error. It is not possible for us to resolve the error unless we see what exactly the error is!


Hello sir here I am attaching the screenshot of the same



This error is to do with missing interaction parameters. Follow the steps to resolve:
For Windows/Linux-Classic UI:
- Click on Settings >> Go to Thermodynamics tab >> Click on NRTL under Added Property Packages section
- Click on Configure >> Go to Property Calculation Settings tab >> Go to Misc Settings tab
- Check the checkbox against "Ignore Missing UNIQUAC/NRTL Interaction Parameters"
- Close the Settings window and now Solve the flowsheet. You should be able to simulate successfully.
For MacOS UI:
- Go to Setup >> Click on Basis
- Click on Edit against NRTL under Added Property Packages section
- Click on General Settings tab
- Under the Other section, Check the checkbox against "Ignore Missing UNIQUAC/NRTL Interaction Parameters"
- Close the Edit window, Simulation Basis window, and then Solve the flowsheet. You should be able to simulate successfully.