منابع مشابه
Kinematics and Dynamics of Nanostructured Origami
Two-dimensional (2D) nanofabrication processes such as lithography are the primary tools for building functional nanostructures. The third spatial dimension enables completely new devices to be realized, such as photonic crystals with arbitrary defect structures and materials with negative index of refraction [1]. Presently, available methods for threedimensional (3D) nanopatterning tend to be ...
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The Nanostructured Origami 3D Fabrication and Assembly Process is a method of manufacturing 3D nanosystems using exclusively 2D lithography tools. The 3D structure is obtained by folding a nanopatterned 2D substrate. We report on the materials, actuation and modeling aspects of the manufacturing process, and present experimental results from fabricated structures.
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Origami, the art of paper sculpture, is a fresh challenge for the field of robotic manipulation, and provides a concrete example of the many difficulties and general manipulation problems faced in robotics. This paper describes our initial exploration, and highlights key problems in the manipulation, modeling, and design of foldable structures. Results include the design of the first origami-fo...
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An origami manifold is a manifold equipped with a closed 2-form which is symplectic except on a hypersurface where it is like the pullback of a symplectic form by a folding map and its kernel fibrates with oriented circle fibers over a compact base. We can move back and forth between origami and symplectic manifolds using cutting (unfolding) and radial blow-up (folding), modulo compatibility co...
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We paste together patches of AdS6 to find solutions which describe two 4-branes intersecting on a 3-brane with non-zero tension. We construct explicitly brane arrays with Minkowski, de Sitter and Anti-de Sitter geometries intrinsic to the 3-brane, and describe how to generalize these solutions to the case of AdS4+n, n > 2, where n n + 2-branes intersect on a 3-brane. The Minkowski and de Sitter...
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ژورنال
عنوان ژورنال: Materials Today
سال: 2009
ISSN: 1369-7021
DOI: 10.1016/s1369-7021(09)70106-3