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GiacomoMoretti's blog

PhD position on Liquid-based electro-active polymer (LEAP) transducers

The Department of Industrial Engineering, The University of Trento (Italy) opened a PhD position on multifunctional electro-mechanical transducers based on dielectric liquids and electro-active polymers (EAPs), namely liquid-based EAPs (LEAPs). 

Compression buckling of polymeric beam/column

Hello,

I have a problem with a stacked colum of elastomeric membranes (natural rubber or silicone).

I am looking for a compression buckling criterion that applies for hyperelastic materials in presence of large deformations (up to 400%).

I've read about Haringx formula, that should apply for these materials, but I suspect that it is valid for small strains only.

My question is:

- is there a suitable buckling criterion for this case?

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