Thank you for your reply.
Inspecting the "Method" task page in both stand-alone and Workbench look like so:
I've kept all the settings the same to eliminate any effects from other settings.
I have then surveyed the available options in both Fluent instances, and found the following:
There's also discrepancies between the available solver settings, and their descriptions in the documentation.
For instance, on page 3459 - section 32.14 "Performing Calculations with Pseudo Time Method", Fluent User Guide states:
However, I am allowed to use Pseudo Time Method for P-B Transient even when using a segregated solver:
But not for the D-B solver:
And then, on page 3461, Fluent User Guide states:
I think what I'm trying to ask here is whether Fluent ran from Workbench has more options available than when ran as a stand-alone instance?