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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Tensile Failure in Ansys but not in reality related to preload › Reply To: Tensile Failure in Ansys but not in reality related to preload

October 31, 2024 at 6:15 pm
Pedram Samadian
Ansys Employee

Hi Aitor,

I see now. Is your bolt design finalized? I think the preload is too high. The bolted joints should be designed based on the proof strength/load of the bolt, which is the maximum strength/load that a bolt can withstand without acquiring a permanent (plastic) deformation. The proof strength is typically considered to be 85% of the yield strength, and the recommended preload is typically between 75 to 90% of the corresponding proof load. You may find useful information in the following video:

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You probably need to change the bolt design or modify the preload. I hope this works.

Thanks,

Pedram

 

 

 

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