Results 21 to 30 of about 4,691,284 (303)
Photonics, 2021 An experimental study is carried out on the diffraction and angular selectivity properties of gratings for a wide range of angles of incidence in three-dimensional space.
Nadezhda Vorzobova, Pavel Sokolov
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Tribology Online, 2008 In order to improve the lubrication properties of silicon carbide (SiC) in water, symmetrically spiral periodic structures for bi-directional rotation were intermittently and alternately produced on the surface.
Kosuke Kawahara +2 more
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Design Optimization of Origami-Tunable Frequency Selective Surfaces
IEEE Open Journal of Antennas and Propagation, 2021 Recent studies demonstrate the benefit of integrating origami in many engineering applications, where computational methods facilitate the origami design process.
Kazuko Fuchi +6 more
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A Novel Analysis of Periodic Structures Based on Loaded Transmission Lines
IEEE Journal of Microwaves, 2023 Periodically loaded transmission lines are characterized by a frequency response with regular pass and stopbands. Interestingly, each of the passbands exhibits a peculiar comb-alike behavior, in which again, nested (or internal) pass and stopbands can be
Alberto Medina-Rull +4 more
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Coupled tension-torsion vibration of repetitive beam-like structures [PDF]
, 2006 Equivalent continuum stiffness properties, derived from the eigenanalysis of a single cell of a planar beam-like repetitive structure, have previously been employed within well-known dynamic theories, such as Euler–Bernoulli and Timoshenko for flexural ...
Stephen, N.G. +3 more
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Application of multisection recursive convolution in 3D FETD-FABC simulations [PDF]
, 2008 The multisection recursive convolution (MS-RC) methodology is successfully applied to the finite element time domain floquet absorbing boundary condition modeling of doubly periodic structures.
Cai, Yong +3 more
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Optimal periodic output feedback control: a continuous-time approach [PDF]
, 2007 : This paper addresses the problem of optimal static output feedback control of linear periodic systems. The proposed approach, which allows to deal with both stable and unstable open loop systems, relies on a continuous-time formulation of the control ...
VIGANO', LUCA +8 more
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Exploiting symmetries in solid-to-shell homogenization, with application to periodic pin-reinforced sandwich structures [PDF]
, 2015 In this paper, a novel set of Periodic Boundary Conditions named Multiscale Periodic Boundary Conditions (MPBCs) that apply to reduced Unit Cells (rUCs) and enable the two-scale (solid-to-shell) numerical homogenization of periodic structures, including ...
Pinho, ST, Gigliotti, L
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Revealing defects in periodic structures
Міжнародний науково-технічний журнал "Проблеми керування та інформатики"Rejection of defective parts and elements is an important part in quality improvement, maintenance and accident prevention. Some imaging instrumental methods of test and inspection have improved ability to reveal defects, but currently have ...
Володимир Олександрович Жидков
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Advanced Science, 2021 Periodic porous structures have been introduced into functional films to meet the requirements of various applications. Though many approaches have been developed to generate desired structures in polymeric films, few of them can effectively and ...
Wei‐Pin Huang +4 more
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