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Ansys Learning Forum › Forums › Installation and Licensing › Ansys Products › Modal analysis of simply supported beam with circular cross section › Reply To: Modal analysis of simply supported beam with circular cross section

August 2, 2023 at 2:16 pm
dlooman
Ansys Employee

What have you tried?  Modeling a half the cross-section?  Why didn't that allow you to constrain UY?  If the fixed-fixed frequency is bothering you, don't constrain ROTX at the ends.  Then you will get duplicate simply supported modes.