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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Pre-stressed modal why changing end time causes natural frequency to change? › Reply To: Pre-stressed modal why changing end time causes natural frequency to change?

October 10, 2023 at 11:45 pm
Weihan Lin
Subscriber

Hi Ankush,

Thanks for you information. I double check the static structural stress values at the end time, and both have exactly same results. However, the "pre-stress" section, I have something different settings. Is this where the problem at? 

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