HARIKRISHNAN KR
does the natural frequency of a steel rod rigidly fixed will vary when it is assembled with another rod by universal joint?
Does Assembling a Steel Rod with a Universal Joint Affect Its Natural Frequency?
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Probably - but you will have to tell us much more about this problem before we can give you any definite answer .
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As a general rule, anything that affects stiffness will change the natural frequency.
Dr.D
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You say "rigidly fixed" which implies no gross motion, but you also speak of a universal joint which suggests large rotational motions. This is all pretty confusing, so a picture is essential here.
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