How to connect surfaces of unit cell in the whole model after deformation.

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Hello everyone, Have a nice day

I have tried to read and mimic the simulation of sma_stent in application libraries in COMSOL. However, I can not understand how from an individual bar (unit cell) becoming a whole stent and why after deformation, these individual bars still connect each other?

I tried to my model but it does not work.

Could you please explain to me the reason?

I have attached the images about my simulation and sma_stent simulation in library of COMSOL.

Thank you for your time and consideration



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