If resonant frequencies were determined using Ansys modal, and the system is excited at those resonant frequencies with some force, it should vibrate with an increasing amplitude, do we have any way to get a graph of this increasing amplitude with time in Ansys harmonic?
I think you need transient analysis you can check the videos and search about on this way
https://youtu.be/zXM5kvfGh7c?si=nqWNtgQX4cDHafwG
https://youtu.be/uUOcXAU-IKo?si=vytPtUTHbtBcQlPQ
Radwa Hashem I checked these videos, first one is about shock loading in transient analysis and other one is harmonic analysis which does not give results wrt time.
I think you need, "Transient analysis involves the study of time-dependent behavior of physical systems or structures. It enables engineers to analyze how a system responds to dynamic loading conditions such as impact, vibration, or sudden changes in operating conditions". If i understood right, this is the name of the analysis that gives you the curve. May be these videos not the best so you should search about this analysis in more details. Cuz i remember that you should do harmonic analysis first or modal analysis i think and connect it to transient to let the system serch in the range of the natural frequencies of the system.
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