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Nachiket Kadu

Equvivalent elements for welding.

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Hello,

As you can see in line diagram there are 2 plates 1 and 2. Plate 1 has a circular hole in it. Plate 1 is supposed to placed on plate 2 and arc welded on the inner circumferential region of plate 1. The weld is such that the whole circular area is filled with weld in real time situation. I am proceeding with vibration analysis and dont want represent this weld by rigids (RBE2). Any ideas how i could represent this welds for vibration analysis??

 

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Hello,

 

I don't think washer will be necessary.

 

The thing @Q.Nguyen-Dai is recommending is that you do equivalent or join the nodes of the two plates along the circumference of the circle.

This will not require beam/rod elements. This will be useful only when you don't have to study the weld elements.

 

Thankyou

 

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4 hours ago, Nachiket Kadu said:

Good Morning

Agreed but this can be done when the plates are solid, while dealing with mid surfaces equivalence will distort the elements.

Move your 1st plate to in contact with the 2nd if you don't like to deform a little elements.

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