
Aspen Custom Modeler Operation 7-21
7-21
7.2.10 Simulation Engine Tab
The Simulation Engine tab allows you to enter OOMF script
language commands for special tasks. For instance, you can
print or retrieve a particular variable from the ACM Op. For more
advanced usage, you can use the simulation engine for
troubleshooting, or changing advanced options such as solver
tolerances.
Some examples of OOMF script command:
• print variables. Prints a report for variables.
• solve. Solves the current problem.
• help. Displays the full list of EO commands.
The following table describes the objects available on the
Simulation Engine page.
Object Description
Enter Script Command
field
Allows you to enter the OOMF script
commands.
Clear Messages button Clears all the existing messages in the OOMF
script commands window.
Update Messages
button
Checks for new simulation messages and
appends them to the messages that are
already in the OOMF script commands window.
Get Pre. Command
button
Retrieves the previous command entered for
editing or re-entry.
Run Command button Execute the command entered in the Enter
Script Command field.
If your model is not solving in steady state, you can perform the
following troubleshooting procedures:
1. Click the Clear Messages button to clear the text window.
2. Enter solve in the Enter Script Command field.
3. Press ENTER.
You can determine the sources of errors from the diagnostic messages in the
Simulation Engine text window.
OOMF script commands are intended for debugging
convergence problems with the ACM models. Changes made
via script command may or may not be saved with the HYSYS
case.
Refer to the Aspen Plus
OOMF Script
Language
documentation for more
information on OOMF
script commands.
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