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Datta1234

Load transfer in RIGID Element

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Hi all,

 

If I connect two components by the RIGID panel using the RBODY element.

Capture.PNG

 

 

 

I wanted to know how the load transfer takes place. Suppose I apply load to one component will the entire load be transferred to the other component?Capture2.PNG

 

Thanks,

Datta

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Hi Datta,

Using rigid bodies transfer of loads from one part to another is possible. Rigid bodies will induce stiffness to the component, that is no relative displacement is allowed between slave nodes and thereby modeling the component as non deformable. 

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Thank you for the reply George, So when you say transfer of load is possible what do you mean? Does it work like similar to RBE2? Suppose I apply 100N load on the green component in the picture, will 100N be transferred to the blue?

 

Thanks,

Datta

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Hi,

I feel the load transfer pattern remain same for both rbe2 and rbody. The difference is in the association of mass and inertia in rigid body and is thus used to model components where we are not interested in an analysis like a bus rollover simulation where we are not interested in chassis and its components like engine , gearbox etc, can be modelled as rbody. The mass in rbody comes only after starter run and in the .out file you can see the rbody gets initialised with some mass and inertia as per ICoG settings and element modelling. RBE 2 however only provides high stifness without any mass or inertia definition.

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