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How to apply initial stress
Posted Aug 30, 2011, 11:02 a.m. EDT MEMS & Nanotechnology, MEMS & Piezoelectric Devices, Structural Mechanics Version 4.1, Version 4.2 2 Replies
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I made a model of a string with initial stress using a truss element and I obtained exactly the same eigenfrequencys than manually using theorical formulas.
Now I want to make the model using a beam element, but I get totally different results. Moreover, changing the value of the initial stress, the eigenfrequency doesn`t vary, wich is no correct.
So, wich is the problem?
Thanks,
Bruno.
Hello Bruno Rango
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