What is Post Processing:
Any action after analyzing a model that does not require re-analyzing. Examples of this would be users can click on the graphics model to instantly view stresses, loads, deflections, or mode shapes at any point. Color coded stresses, animated vibrations, and pop-up windows enable the engineer to more quickly identify and investigate critical areas without having to review a voluminous amount of batch output data, etc..
Following are some of the post processing action items with questions and answers
Bentley AutoPIPE