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10-12-2017 11:51 AM

Hi everybody ,

I am trying to apply a rotational acceleration (body load) varying in time (using a sinusoidal function).

I am performing a nonlinear static analysis where I've defined 100 increments to cover the distribution of the above function. What I get in terms of stress is only a linear distribution through all the 100 steps performed, reaching only the first positive maximum value of the function.

Question: 1) what can I do to get the sinusoidal variation of the stress?

2) is it possible to get this result on a nonlinear-static solution (SOL106)?

3) if yes, what analysis parameters should I pay attention to?

Thank you!

2 REPLIES

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11-03-2017 03:33 PM

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11-06-2017 07:41 AM

Thanks a lot for you help!

Indeed I think that the best way to actually represent the harmonic load is

though a transient analysis.

Your solution seems to be a great compromise!

Thanks again!

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