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Kinematic Coupling: what is the precise physical meaning of the operation?

Kinematic Coupling: what is the precise physical meaning of the operation?

Kinematic Coupling: what is the precise physical meaning of the operation?

(OP)
Hello everyone,

I want to apply loads to an object and avoid the unrealistically high stress concentrations that develop due to point loads. I was wondering what the "kinematic coupling" constraint physically does. I understand how to operate it, but I do not know if it is physically accurate do use. I want to apply loads and moments do a given area. Is kinematic coup;ling a good candidate for this task?

Does is simply distribute the forces applied to the reference node throughout the assigned region? How does it differ from distributed coupling? How does it differ from simply applying a pressure or traction to the structure directly?

I have tried looking it up but most documents just discuss how to apply it rather then its physical meaning.

Any insight would be great!
Thanks!

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