How to simulate a compression spring in Catia V5?
4 Answers

This was a question unanswered for many days.... now have a look at it. This cannot be called as a simulation, but if you want to make an animation out of your modelled spring, this can help you out. I'll soon post the written tutorial.
Tutorial: How to make an animation for a compression spring in Catia V5

Tutorial: Simulation of a compression spring in Catia V5?
Answered with a tutorial: https://grabcad.com/tutorials/how-to-simulate-a-compression-spring-in-catia-v5