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Corotational formulation for 3D solids

likask's picture

Please have look 
http://arxiv.org/abs/1110.5321
 
This paper presents the theory for the Lagrange co-rotational (CR) formulation of finite elements in the geometrically nonlinear analysis of 3D structures. In this paper, strains are assumed to be small while the magnitude of rotations from the reference configuration is not restricted. A new best fit rotator and consistent spin filter is derived. 

Regards,
Lukasz

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armntnu3000's picture

Hi Likask

 

As a part of my PhD, I need to implement a slender beam dynamic in 3D with displacement control    

Have you ever implementes a code usid 3d corotational beam element

I will be very gartefull to see  you algorithm if you managed to del with large rotations in 3D beams.

 

Best Regards 

 

Ausberto Rivera

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