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the best way is to use Pretension manager


Pretension Manager - Altair University


check the following examples and tutorials:

OS-T: 1390 Pretentioned Bolt Analysis of an IC Engine Cylinder Head, Gasket and Engine Block System

OS-E: 0015 Pretension Analysis using Gasket Material

OS-E: 0140 Pretension Analysis of Piston

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Hi All,


I am doing a Investigation on a bolted joint in Abaqus.

I have applied bolt pretension in One Load step and applied some external load on the next step.

The steps are continuous an I have requested the section forces as output.

As a result, I have section force in bolt equal to the applied pretension Force in first Load step. This is Okay.

But, even on the end of second Load step, the section force remains the same which is almost equal to the Pretension value.

On the other hand, the stress in the bolt is increasing. Does anyone have any idea regarding this?




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