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Optimization of selection of the right mechanical mode
Posted 24 feb 2015, 11:33 GMT-5 Optimization 1 Reply
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I would like to know how to select one specific mechanical eigenfrequency in an optimized manner. I simulate a 3D structure so too many modes are close to the one I'm interested in.
What I usually do is to compute tens of frequency around a theoretical eigenfrequency value. Then I MANUALLY select the mode I am looking for.
I found a geometrical criteria to select my mode (integrating a function related with the different components of the displacement over an specific surface of my structure) but I don't know if it is possible to implement it in a way, in which Comsol only give me as a solution the eigenfrequency I want.
Thank you for you help.
Hello Pierre Allain
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www.comsol.com/blogs/solution-joining-parametric-eigenfrequency-time-dependent-problems/