Results 11 to 20 of about 815,913 (302)
Design of Multiband Balanced Folded Dipole Antenna Based on a Dual-Arm Structure for Mobile Handsets [PDF]
, 2008 YesIn this paper, a balanced antenna for mobile handset applications with enhanced bandwidth performance, that covers four bands (GSM1800, GSM1900, UMTS and 2.4-GHz WLAN), is investigated.
Abd-Alhameed, R.A. +7 more
core +5 more sources
Plasticity and aging of folded elastic sheets [PDF]
Physical Review E, 2020 9 pages, 10 ...
Jules, T. +2 more
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Folding and crumpling adaptive sheets [PDF]
ACM Transactions on Graphics, 2013 We present a technique for simulating plastic deformation in sheets of thin materials, such as crumpled paper, dented metal, and wrinkled cloth. Our simulation uses a framework of adaptive mesh refinement to dynamically align mesh edges with folds and creases. This framework allows efficient modeling of sharp features and avoids bend locking that would
Rahul Narain +2 more
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Modeling and simulation of thin sheet folding
Interfaces and Free Boundaries, Mathematical Analysis, Computation and Applications, 2022 The article addresses the mathematical modeling of the folding of a thin elastic sheet along a prescribed curved arc. A rigorous model reduction from a general hyperelastic material description is carried out under appropriate scaling conditions on the energy and the geometric properties of the folding arc in dependence on the small sheet thickness ...
Bartels, Soeren +2 more
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Folding photopolymerized origami sheets by post-curing [PDF]
SN Applied Sciences, 2021 AbstractThe paper presents a novel manufacturing approach to fabricate origami based on 3D printing utilizing digital light processing. Specifically, we propose to leave part of the model uncured during the printing step, and then cure it in the post-processing step to set the shape in a folded configuration.
Xiaodong He +2 more
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Comparative Study of Crumpling and Folding of Thin Sheets [PDF]
Physical Review Letters, 2013 Crumpling and folding of paper are at rst sight very di erent ways of con ning thin sheets in a small volume: the former one is random and stochastic whereas the latest one is regular and deterministic. Nevertheless, certain similarities exist. Crumpling is surprisingly ine cient: a typical crumpled paper ball in a waste-bin consists of as much as 80 ...
Deboeuf, S. +4 more
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, 2022 Folded is a database that stores the results of ColabFold (alphafold ...
Daniel López Pérez
core +1 more source
Research on Mechanical Properties of V-Type Folded Core Sandwich Structures
Aerospace, 2022 A folded core is a three-dimensional configuration formed by folding a flat sheet of paper. Similar to foam and honeycomb, folded cores are widely used in aerospace as the cores for sandwich structures due to their excellent mechanical properties and ...
Zehao Cui, Zhijin Wang, Feng Cao
doaj +1 more source
Buildings, 2019 The article concerns the unconventional architectural forms of buildings roofed with transformed shells made up of thin-walled steel fold sheets, and a parametric description of how they are shaped.
Aleksandra Prokopska, Jacek Abramczyk
doaj +1 more source
Periodic folding of viscous sheets
Physical Review E, 2003 The periodic folding of a sheet of viscous fluid falling upon a rigid surface is a common fluid mechanical instability that occurs in contexts ranging from food processing to geophysics. Asymptotic thin-layer equations for the combined stretching-bending deformation of a two-dimensional sheet are solved numerically to determine the folding frequency as
Ribe, Neil, Ribe, N. M.
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