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One of the great challenges of artificial spinal disc (ASD) design lies in the reproduction of the complex mechanics of an intervertebral disc (IVD) that is characterized by a viscoelastic, nonlinear, and anisotropic behavior. Although the development of
Zhiyang Yu +3 more
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To explore the influence of different biomimetic designs and multi-material additive manufacturing on the performance of a multi-material artificial spinal disc (ASD) in terms of restoring natural mechanics, four biomimetic ASD designs together with a ...
Zhiyang Yu +3 more
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Algorithmic design of origami mechanisms and tessellations
Origami is a promising source of inspiration in designing foldable structures and reconfigurable metamaterials. Here, building on exact folding kinematic conditions, an algorithmic design of rigidly-foldable origami structures is presented, allowing the ...
Andreas Walker, Tino Stankovic
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Industrial evaluation of design heuristics for additive manufacturing
Additive manufacturing (AM) has gained prominence over the last 15 years and become a viable manufacturing option. Since there is great industrial interest to implement serial production of products using AM, the education of engineers in design for ...
Alexandra Blösch-Paidosh, Kristina Shea
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Computational design of multi-stable, reconfigurable surfaces
A planar surface that can be reconfigured into several 3D target shapes is of importance in numerous fields at different length scales, e.g. aeronautical systems, buildings, and in medicine.
Tian Chen, Kristina Shea
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Information Processing, Computation, and Cognition [PDF]
Computation and information processing are among the most fundamental notions in cognitive science. They are also among the most imprecisely discussed. Many cognitive scientists take it for granted that cognition involves computation, information processing, or both - although others disagree vehemently.
Piccinini, Dr. Gualtiero +1 more
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Redeployable, 4D printed wave spring actuators
Wave springs are a novel type of axial compression spring that offer complete axial load transmission and a significant free height reduction when compared to coil springs.
Joël N. Chapuis, Kristina Shea
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3D printing allows the fabrication of complex microstructures that would traditionally require specialized machinery. In the fabrication of textiles, 3D printing may enable unique yarn structures, greater manufacturing flexibility and facilitate the ...
M. Wirth, K. Shea, T. Chen
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Phase field modelling of hopper crystal growth in alloys
Here we use phase field to model and simulate “hopper” crystals, so named because of their underlying cubic structure but with a hopper-like depression on each of the six faces.
P. C. Bollada +2 more
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The current methods of classifying plant disease images are mainly affected by the training phase and the characteristics of the target dataset. Collecting plant samples during different leaf life cycle infection stages is time-consuming.
Reem Ibrahim Hasan +3 more
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