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      Review of shape-morphing automobile structures: concepts and outlook

      1 , 2
      Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
      SAGE Publications

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          How the Venus flytrap snaps.

          The rapid closure of the Venus flytrap (Dionaea muscipula) leaf in about 100 ms is one of the fastest movements in the plant kingdom. This led Darwin to describe the plant as "one of the most wonderful in the world". The trap closure is initiated by the mechanical stimulation of trigger hairs. Previous studies have focused on the biochemical response of the trigger hairs to stimuli and quantified the propagation of action potentials in the leaves. Here we complement these studies by considering the post-stimulation mechanical aspects of Venus flytrap closure. Using high-speed video imaging, non-invasive microscopy techniques and a simple theoretical model, we show that the fast closure of the trap results from a snap-buckling instability, the onset of which is controlled actively by the plant. Our study identifies an ingenious solution to scaling up movements in non-muscular engines and provides a general framework for understanding nastic motion in plants.
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            A Review of Morphing Aircraft

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              The selection of mechanical actuators based on performance indices

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                Author and article information

                Journal
                Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
                Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering
                SAGE Publications
                0954-4070
                2041-2991
                September 27 2013
                November 2013
                August 2013
                November 2013
                : 227
                : 11
                : 1603-1622
                Affiliations
                [1 ]School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, Melbourne, Australia
                [2 ]Advanced Composite Centre for Innovation and Science, University of Bristol, Bristol, UK
                Article
                10.1177/0954407013496557
                c048850e-254e-431d-83ab-5ec03d971e41
                © 2013

                http://journals.sagepub.com/page/policies/text-and-data-mining-license

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