Relevant bibliographies by topics / Edge layer

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic 'Edge layer'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Edge layer"

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Li, Zhijun, Haiping Gao, Zhiyong Shang, and Wenming Zhang. "Robustness of Consensus of Two-Layer Ring Networks." Symmetry 15, no. 5 (May 15, 2023): 1085. http://dx.doi.org/10.3390/sym15051085.

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The topology structure of multi-layer networks is highly correlated with the robustness of consensus. This paper investigates the influence of different interlayer edge connection patterns on the consensus of the two-layer ring networks. Two types of two-layer ring network models are first considered: one is a kind of two-layer ring network with two linked edges between layers (Networks-a), and the other is a kind of two-layer ring network with three linked edges between layers (Networks-b). Using the Laplacian spectrum, the consensus of the network model is derived. The simulation experiments are used to demonstrate the influence of different interlayer edge connection patterns on the consensus of networks. To determine the best edge connection pattern for Networks-a and Networks-b, the number of nodes in a single-layer ring network is denoted by n. The best edge connection pattern for Networks-a is 1 & [(n+2)/2]. Furthermore, n is subdivided into 3k,3k+1,3k+2, and the best edge connection patterns of Networks-b are near 1 & k+1 & 2k+1.
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Sommer, Oliver, and Günter Wozniak. "Investigation of Coating Liquid Layer Behaviour at Curved Solid Edges." Applied Mechanics and Materials 831 (April 2016): 126–43. http://dx.doi.org/10.4028/www.scientific.net/amm.831.126.

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In our study we examined the behaviour of thin liquid layers at curved solid edges experimentally and numerically by coating investigations based on the laser-induced fluorescence technique (LIF) and by numerical film simulations based on the Volume-of-Fluid multiphase flow model (VOF), respectively. The main motivation was to find optimal combinations of influencing quantities to reduce the so-called Fat-Edge effect. Therefore, we performed a study of these influencing quantities, in which application parameters like edge curvature radii of the solid substrates and application layer thicknesses as well as determining liquid properties like viscosity and surface tension have been varied. Results are described qualitatively at corresponding Fat-Edge shapes and quantified by suitable Fat-Edge parameters, which had to be identified and selected.We can show that adverse and appropriate influencing parameter combinations exist, which generate conspicuous and less distinctive Fat-Edges, respectively. The experimental findings and proportionalities regarding Fat-Edge shapes and dimensions are found to be physically plausible. Furthermore, an order of significance of the influencing quantities has been established.Eventually, we could derive a dimensionless quantity by dimensional analysis, which describes the Fat-Edge effect. Thus, the Fat-Edge effect may also be described by the application of similarity theory and a corresponding dimensionless number.
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SUDERMAN, MATTHEW. "PATHWIDTH AND LAYERED DRAWINGS OF TREES." International Journal of Computational Geometry & Applications 14, no. 03 (June 2004): 203–25. http://dx.doi.org/10.1142/s0218195904001433.

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An h-layer drawing of a graph G is a planar drawing of G in which each vertex is placed on one of h parallel lines and each edge is drawn as a straight line between its end-vertices. In such a drawing, we say that an edge is proper if its endpoints lie on adjacent layers, flat if they lie on the same layer and long otherwise. Thus, a proper h-layer drawing contains only proper edges, a short h-layer drawing contains no long edges, an upright h-layer drawing contains no flat edges, and an unconstrained h-layer drawing contains any type of edge. In this paper, we derive upper and lower bounds on the number of layers required by proper, short, upright, and unconstrained layered drawings of trees. We prove that these bounds are optimal with respect to the pathwidth of the tree being drawn. Finally, we give linear-time algorithms for obtaining layered drawings that match these upper bounds.
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Sakamoto, Haruhisa, Hitoshi Tsubakiyama, Shinji Shimizu, and Shinichi Kashiwabara. "Quantification Method of Cutting-Edge Density Considering Grain Distribution and Grinding Mechanism." Advanced Materials Research 76-78 (June 2009): 149–54. http://dx.doi.org/10.4028/www.scientific.net/amr.76-78.149.

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In this study, the quantification method of the cutting-edge density is proposed because of its close relation to the grinding mechanism. The cutting-edge density depends upon not only the grain distribution but also the thickness of effective cutting-edge layer. Therefore, the quantification of the cutting-edge density requires measuring not only the profile but also the grinding force. The thickness of effective cutting-edge layer can be determined based on the grain distribution, the grinding force and the stiffness of a grinding wheel. From applied result of the proposed method for the actual grinding process, the cutting-edge density and the effective cutting-edges layer is determined appropriately corresponding to the change in the working surface condition.
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Erlebach, Thomas, and Jakob T. Spooner. "Exploration of k-edge-deficient temporal graphs." Acta Informatica 59, no. 4 (August 2022): 387–407. http://dx.doi.org/10.1007/s00236-022-00421-5.

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AbstractA temporal graph with lifetime L is a sequence of L graphs $$G_1, \ldots ,G_L$$ G 1 , … , G L , called layers, all of which have the same vertex set V but can have different edge sets. The underlying graph is the graph with vertex set V that contains all the edges that appear in at least one layer. The temporal graph is always connected if each layer is a connected graph, and it is k-edge-deficient if each layer contains all except at most k edges of the underlying graph. For a given start vertex s, a temporal exploration is a temporal walk that starts at s, traverses at most one edge in each layer, and visits all vertices of the temporal graph. We show that always-connected, k-edge-deficient temporal graphs with sufficient lifetime can always be explored in $$O(kn \log n)$$ O ( k n log n ) time steps. We also construct always-connected, k-edge-deficient temporal graphs for which any exploration requires $$\varOmega (n \log k)$$ Ω ( n log k ) time steps. For always-connected, 1-edge-deficient temporal graphs, we show that O(n) time steps suffice for temporal exploration.
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Li, Tao, Xin Tian, and Jin Wen Tian. "A Layer Segmentation Based Compression Algorithm." Applied Mechanics and Materials 602-605 (August 2014): 3635–38. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.3635.

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In this paper, we proposed a layer segmentation based compression algorithm for gray images. Image textures and some high frequency noise are described in a high frequency layer while the coarse part of the image is included in the low frequency layer. A mixed dictionary and sparse coding is applied for high frequency layer coding and the low frequency layer is coded using the traditional wavelets based coding system. The results show that the proposed scheme achieves better rate-distortion performance compared with several competing compression system. Furthermore, in the sparse coding part, some edge-related atoms are added in the dictionary and a high sparseness factor is set for the edge blocks, making more accurate approximations for edges. We avoid further degradation of edges caused by compression.
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Dong, Xia Bin, Xin Sheng Huang, Wan Ying Xu, and Lu Rong Shen. "Multi-Layer and Adaptive Edge Detection Method Based on Multi-Scale Gabor Wavelets." Applied Mechanics and Materials 380-384 (August 2013): 3890–94. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.3890.

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Recent years, the common adaptive edge detection algorithms use merely the global character of images, and the local character is ignored. The lack of image information always leads these algorithms are difficult to detect the low contrast edges and sensitive to asymmetric illumination. A novel adaptive edge detection algorithm is proposed to improve the edge detection performance. First, the original image is filtered to obtain the edge response image by introducing multi-scale Gabor filters. Second, non-maxima suppression technique is used on the edge response image to get the coarse edge points. Then, the edge response image is delaminated to adaptively select different thresholds towards different pixels of different layers according to pixels local mean and variance values. The fine edge points are got after filtering the edge response image with these thresholds. Finally, combine the coarse edge points and fine edge points together and get the final edge. Experimental results show that the proposed algorithm achieves lower contrast edge detection and robustness to asymmetric illumination, has better edge detection performance.
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Liepa, Līga, Zigmārs Rendenieks, Āris Jansons, Inga Straupe, Edgars Dubrovskis, and Olga Miezīte. "The Persisting Influence of Edge on Vegetation in Hemiboreal Alnus Glutinosa (L.) Gaertn. Swamp Forest Set-Asides Adjacent to Recently Disturbed Stands." Forests 11, no. 10 (October 12, 2020): 1084. http://dx.doi.org/10.3390/f11101084.

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To increase set-aside areas and protect biodiversity values in managed hemiboreal forest landscapes, small forest parcels called Woodland Key Habitats have been designated in Baltic and Nordic countries. The aim of this study was to investigate the persisting influence of the edge on vegetation dynamics for young, medium-old and old edges in Alnus glutinosa (L.) Gaertn. Woodland Key Habitats. All of these edges are adjacent to recently disturbed (clear-cut) stands. We surveyed edge influence on vegetation in bryophyte, herbaceous, shrub and tree layers in 90 plots in 30 set-aside forest stands in Southern Latvia. We tested the differences in the number of species and projective coverage in all vegetation layers, but plant functional types were examined—separately in the herbaceous layer. We found that edge influence in protected forest stands of A. glutinosa swamp forests reflects strong changes in vegetation and plant functional types in the herbaceous layer mostly up to 20 years after clear-cut disturbance in adjacent stands. The greatest differences were between young edges (≤20 years) and old edges (≥41 years), but there were very few significant differences between medium-old (21–40 years) and old edges which signifies more rapid changes in the early stages of edge influence and gradual stabilization of vegetation later on. We found that in edges adjacent to recently disturbed stands (up to 20 years), significantly less rare and indicator epiphytic lichen species occur, but this occurrence increases over time and edge influence is no longer present beyond 20 years after disturbance. Changes in vegetation and species occurrence found in our study indicated the need to plan the allocation of set-aside patches in production forest landscapes to ensure connectivity over longer period of time. Careful planning of clear-cuts in neighboring areas over time can significantly reduce the impact of edge effect on these set-asides.
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Wang, Kai, Congcong Wu, Yuanyuan Jiang, Dong Yang, Ke Wang, and Shashank Priya. "Distinct conducting layer edge states in two-dimensional (2D) halide perovskite." Science Advances 5, no. 7 (July 2019): eaau3241. http://dx.doi.org/10.1126/sciadv.aau3241.

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Two-dimensional (2D) lead halide perovskite with a natural “multiple quantum well” (MQW) structure has shown great potential for optoelectronic applications. Continuing advancement requires a fundamental understanding of the charge and energy flow in these 2D heterolayers, particularly at the layer edges. Here, we report the distinct conducting feature at the layer edges between the insulating bulk terrace regions in the (C4H9NH3)2PbI4 2D perovskite single crystal. The edges of the 2D exhibit an extraordinarily large carrier density of ~1021 cm−3. By using various mapping techniques, we found the layer edge electrons are not related to the surface charging effect; rather, they are associated with the local nontrivial energy states of the electronic structure at the edges. This observation of the metal-like conducting feature at the layer edge of the 2D perovskite provides a different dimension for enhancing the performance of the next-generation optoelectronics and developing innovative nanoelectronics.
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Corso, Alessandra, Lucia Valentina Gambuzza, Pietro De Lellis, and Mattia Frasca. "Synchronizing network systems in the presence of limited resources via edge snapping." Chaos: An Interdisciplinary Journal of Nonlinear Science 33, no. 1 (January 2023): 013123. http://dx.doi.org/10.1063/5.0093560.

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In this work, we propose a multilayer control protocol for the synchronization of network dynamical systems under limited resources. In addition to the layer where the interactions of the system take place, i.e., the backbone network, we propose a second, adaptive layer, where the edges are added or removed according to the edge snapping mechanism. Different from classic edge snapping, the inputs to the edge dynamics are modified to cap the number of edges that can be activated. After studying the local stability of the overall network dynamics, we illustrate the effectiveness of the approach on a network of Rössler oscillators and then show its robustness in a more general setting, exemplified with a model of the Italian high-voltage power grid.
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Dissertations / Theses on the topic "Edge layer"

1

Garcia, Sagrado Ana Pilar. "Boundary layer and trailing edge noise sources." Thesis, University of Cambridge, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.612074.

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Obrist, Dominik. "On the stability of the swept leading-edge boundary layer /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/6767.

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Wang, Hongwei. "Boundary Layer Characteristics on a Tiltrotor Blade Model." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/33630.

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Boundary layer characteristics at the trailing edge of a tiltrotor blade model were measured using a flattened pitot probe and a single hot wire. The blade was mounted in Virginia Tech Stability Wind tunnel stationary on a turntable on the wind tunnelâ s upper wall with the tip pointing down. The measurement point was located at 1 mm behind the trailing edge to make it possible to measure the flow near the blade surface and measure the boundary layer on both sides of the trailing edge in a same run. Mean velocity profiles were measured for a variety of Reynolds numbers and angles of attack. Turbulence intensity and spectral measurements were performed using a single hot wire at the highest Reynolds number. Conclusion was reached that both of the flattened pitot probe and single hot wire are good for boundary layer thickness measurements. Displacement thickness, which is important in trailing edge noise prediction, was calculated from the profile data and fit using an algebra expression against the tip angle of attack. Once the relationship between tip angle of attack and local effective angle of attack is obtained by lifting line theory, the results can be used in the trailing edge noise prediction code.
Master of Science
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Cziegler, István. "Turbulence and transport phenomena in edge and scrape-off-layer plasmas." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/77484.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2011.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 171-178).
This thesis reports recent experimental studies of edge turbulence structure using gas-puff-imaging at high time resolution in a radially broad zone at the low-field-side of Alcator C-Mod[1], and highlights the connections between its characteristics and particle transport. Within the framework of this thesis a new detector system has been designed and built for viewing the steep gradient outboard midplane region at minor radii 0.9 < r/rma, < 1.1, where turbulence is postulated to be driven [2, 3]. The design is optimized for the study of edge and scrape-off-layer turbulence, based on previous studies of these regions. Analysis of the data from this diagnostic in Ohmic L-modes from the electron diamagnetic drift propagating turbulence in the closed field line region of the plasma edge shows a strong scaling of the fluctuation power 5/n with the density normalized to the tokamak density limit ne/ng; in addition, a critical physical scale is found at ... ~ 0.1, where the critical wavenumber is normalized to ps, the ion Larmor radius at the sound speed, also known as the drift scale. The characteristic size scale shows very little variation with operating parameters. The analysis of the physical scale includes spectral analysis, yielding robust spectral indices beta= ~4.5 for larger wavenumbers and a sensitive spectral shape for lower wavenumbers, and the first spectral transfer measurement of turbulence on C-Mod, showing that the critical scale feeds power into the turbulence. A connection is found to the quasi-coherent mode (QCM), a modelike edge fluctuation characteristic of the Enhanced D-Alpha H-mode, which also appears at ... ~ 0.1 and has decreased inverse transfer but greatly enhanced forward transfer compared to the L-mode levels.
by István Cziegler.
Ph.D.
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Schuster, William. "Trailing edge noise produced by the scattering of boundary layer turbulence." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280089.

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Noise generated at the trailing edges of airfoils can be an important contributor to the sound levels of aircraft and turbomachinery. Previous work on trailing edge noise has largely neglected the role of the mean boundary-layer profile in the sound generation process. In the present work, a trailing edge scattering problem is formulated using a piecewise-linear symmetric mean flow with a non-zero slip velocity at the centerline, providing a representation that is intermediate between the boundary layer and wake flows. The airfoil is modeled as a zero-thickness, semi-infinite flat plate, appropriate for noise generation by sharp trailing edges in the presence of a high Reynolds number flow. The mean boundary-layer profile adjacent to the airfoil surface supports naturally-occurring vortical disturbances that have a non-trivial pressure field and convect at speeds between the slip and free stream velocities. Using these pressure disturbances to represent the turbulent field that is incident on the trailing edge, a mixed boundary value problem is formulated and solved using the Wiener-Hopf technique. This scattering problem is solved for both low Mach number and O(1) Mach number flows. The results show that the presence of the mean flow profile can significantly increase the amplitude of the sound radiated to the far field. In the O(1) Mach number case, the directivity of the scattered field is also appreciably altered. The results of the scattering problem are used along with a simplified model of the wall pressure wavenumber-frequency spectrum to generate a prediction for the power spectrum of the scattered sound field.
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Satter, Md Mahbub. "Design and theoretical study of Wurtzite III-N deep ultraviolet edge emitting laser diodes." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53042.

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Designs for deep ultraviolet (DUV) edge emitting laser diodes (LDs) based on the wurtzite III-nitride (III-N) material system are presented. A combination of proprietary and commercial advanced semiconductor LD simulation software is used to study the operation of III-N based DUV LDs theoretically. Critical factors limiting device performance are identified based on an extensive literature survey. A comprehensive design parameter space is investigated thoroughly with the help of advanced scripting capabilities. Several design strategies are proposed to eliminate the critical problems completely or partially. A DUV LD design is proposed based exclusively on AlInN active layers grown epitaxially on bulk AlN substrates because AlInN offers a promising alternative to AlGaN for the realization of LDs and LEDs operating in the DUV regime. The proposed AlInN-based design also features a tapered electron blocking layer (EBL) instead of a homogeneous one. Tapered EBLs redistribute the interfacial polarization charge volumetrically throughout the entire EBL thickness via compositional grading, and eliminate the parasitic inversion layer charge. AlGaN based DUV LD designs are explored also because at present, it may be difficult to grow AlInN epitaxially with superior crystalline quality. Polarization charge matching is proposed to improve electron and hole wavefunction overlap within the active region. Although the strategy of polarization charge matching has already been proposed in the literature to enhance performance of visible wavelength LEDs and LDs, the proposed design presents the first demonstration that polarization charge matching is also feasible for DUV LDs operating at sub-300 nm wavelengths. A lateral current injection (LCI) LD design is proposed featuring polarization-charge-matched barriers and regrown Ohmic contacts to avoid a group of issues related to the highly inefficient p-type doping of wide bandgap III-N materials in vertical injection designs. The proposed design partially decouples the problem of electrical injection from that of optical confinement. Although the idea of an LCI LD design has been proposed in the literature in the 90s to be used as longer wavelength active sources in optoelectronic integrated circuits using GaInAsP/InP and related material systems, the proposed design is the first theoretical demonstration that this concept can be applied to DUV LDs based on III-N material system. To solve the problem of hole transport in vertical injection designs, a DUV LD design based exclusively on AlGaN material system is presented, featuring an inverse-tapered p-waveguide layer instead of an EBL. Several EBL designs are investigated, and compared with conventionally-tapered EBL design. Through judicious volumetric redistribution of fixed negative polarization charge, inverse tapering may be exploited to achieve nearly flat valence band profiles free from barriers to hole injection into the active region, in contrast to conventional designs. Numerical simulations demonstrate that the inverse tapered strategy is a viable solution for efficient hole injection in vertical injection DUV LDs operating at shorter wavelengths (< 290 nm).
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Ferdous, Wahid Khan. "An ID-based mutually authenticated edge-to-edge security architecture for bridged provider networks to secure layer-2 communications." Doctoral thesis, Universitat Pompeu Fabra, 2011. http://hdl.handle.net/10803/32050.

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IEEE standardized a Layer-2 security, named Media Access Control security (MACsec), for interoperability. It provides link-based security through hop-by-hop operation. The link-constrained security of MACsec eliminates the confidentiality of user data inside bridges. Hence, high-speed Ethernet-based Broadband networks are susceptible to attacks in large network deployment, where bridges need to be resided in street cabinets, road side poles or public places for easy user access. We propose an ID-based mutually authenticated edge-to-edge security architecture to address this remaining gap (i.e., secure bridging) in layer-2 service provider networks. The major challenge for this scenario is the combination of complete security, simplicity, better performance and scalability in a single solution. Our solution addresses all challenges and simplifies- key distribution by an extension of 802.1x-EAP authentication protocol, key agreement by an ID-based mutually authenticated two-pass key agreement protocol and secure data transmission by a modification of the replay protection mechanism of 802.1AE.
IEEE va estandarditzar seguretat a nivell 2, anomenada Media Access Control, que s'enfoca a proporcionar interoperabilitat, seguretat a nivell d'enllaç, i operació salt-a-salt. La seguretat restringida de MACsec elimina la confidencialitat de les dades de l'usuari dins dels dispositius. Per tant, les xarxes d'alta velocitat basades en Ethernet són susceptibles als atacs en grans desplegaments, on els bridges han de ser guardats a distribuïdors a nivell de carrer o llocs públics d'accés fàcil. Per fer front al problema a les xarxes de proveïdors de capa 2 aquí proposem una arquitectura de seguretat extrem-a-extrem, autenticada mútuament i basada en identitat. El principal repte per a aquest escenari és la combinació d'una seguretat completa, simplicitat, millor rendiment i escalabilitat en una única solució. La nostra solució ataca tots els reptes i simplifica- (1) la distribució de claus mitjançant una ampliació del protocol d'autenticació 802.1x-EAP protocol, (2) l'acord de claus amb un protocol de doble passada autenticat mútuament i basat en identitat, i (3) la transmissió segura de dades mitjançant una modificació del mecanisme de 'protecció de resposta' de 802.1AE.
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Davu, Sandeep. "Connection Oriented Mobility Using Edge Point Interactivity." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1206469405.

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Nichols, Dawn Elizabeth. "Boundary layer receptivity of a flat plate with a rounded leading edge." Thesis, University of East Anglia, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395146.

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Li, Yifan. "Edge partitioning of large graphs." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066346/document.

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Dans cette thèse nous étudions un problème fondamental, le partitionnement de graphe, dans le contexte de la croissance rapide des données, le volume des données continues à augmenter, allant des réseaux sociaux à l'internet des objets. En particulier, afin de vaincre les propriétés intraitables existant dans de nombreuses graphies, par exemple, la distribution des degrés en loi de puissance, nous appliquons un nouveau mode pour coupe de sommet, à la place de la méthode traditionnelle (coupe de bord), ainsi que pour assurer une charge de travail équilibrée et raisonnablement dans le traitement de graphe distribué. En outre, pour réduire le coût de communication inter-partitions, nous proposons une méthode de partition de bord basée sur les blocs, qui peut explorer efficacement les structures graphiques sous-jacentes au niveau local. , afin d'optimiser l'exécution de l'algorithme de graphe. Par cette méthode, le temps d'exécution et des communications généraux peuvent être considérablement réduits par rapport aux approches existantes. Les challenges qui se posent dans les grands graphiques comprennent également leur grande variété. Comme nous le savons, la plupart des applications graphiques au monde réel produisent des ensembles de données hétérogènes, dans lesquels les sommets et / ou les arêtes peuvent avoir des différents types ou des différentes étiquettes. De nombreuses algorithmes de fouille de graphes sont également proposés avec beaucoup d'intérêt pour les attributs d'étiquette. Pour cette raison, notre travail est étendu aux graphes de multicouches en prenant en compte la proximité des arêtes et la distribution des étiquettes lors du processus de partitionnement. En fin de cette thèse, Nous démontré à la ses performances exceptionnelles sur les ensembles de données du monde réel
In this thesis, we mainly focus on a fundamental problem, graph partitioning, in the context of unexpectedly fast growth of data sources, ranging from social networks to internet of things. Particularly, to conquer intractable properties existing in many graphs, e.g. power-law degree distribution, we apply the novel fashion vertex-cut, instead of the traditional edge-cut method, for achieving balanced workload in distributed graph processing. Besides, to reduce the inter-partition communication cost, we present a block-based edge partition method who can efficiently explore the locality underlying graphical structures, to enhance the execution of graph algorithm. With this method, the overhead of both communication and runtime can be decreased greatly, compared to existing approaches. The challenges arising in big graphs also include their high-variety. As we know, most of real life graph applications produce heterogenous datasets, in which the vertices and/or edges are allowed to have different types or labels. A big number of graph mining algorithms are also proposed with much concern for the label attributes. For this reason, our work is extended to multi-layer graphs with taking into account the edges closeness and labels distribution during partitioning process. Its outstanding performance over real-world datasets is demonstrated finally
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Books on the topic "Edge layer"

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J, Shamroth S., Langley Research Center, and Scientific Research Associates, eds. On the application of a hairpin vortex model of wall turbulence to trailing edge noise prediction. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1985.

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Lin, N. Receptivity of the boundary layer on a semi-infinite flat plate with an elliptic leading edge. Tempe, Ariz: Arizona State University, Department of Mechanical and Aerospace Engineering, 1989.

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Mueller, Thomas J. The structure of separated flow regions occurring near the leading edge of airfoils - including transition. Notre Dame, Ind: Dept. of Aerospace and Mechanical Engineering, University of Notre Dame, 1985.

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Hulshoff, Steven John. The response of the unsteady laminar boundary layer to leading edge acoustic diffraction. [Downsview, Ont.]: Department of Aerospace Science and Engineering, 1989.

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Institute for Computer Applications in Science and Engineering., ed. Görtler vortices in growing boundary layers: The leading edge receptivity problem, linear growth and the nonlinear breakdown stage. Hampton, Va: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1989.

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Institute for Computer Applications in Science and Engineering., ed. Görtler vortices in growing boundary layers: The leading edge receptivity problem, linear growth and the nonlinear breakdown stage. Hampton, Va: Institute for Computer Applications in Science and Engineering, NASA Langley Research Center, 1989.

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United States. National Aeronautics and Space Administration., ed. Analysis of the leading edge effects on the boundary layer transition: Technical report, March 1, 1984 - August 31, 1990. [Washington, DC: National Aeronautics and Space Administration, 1990.

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Center, Ames Research, and United States. National Aeronautics and Space Administration., eds. Boundary layer transition in the leading edge region of a swept cylinder in high speed flow. Moffett Field, Calif: National Aeronautics and Space Administration, Ames Research Center, 1998.

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J, Ghosn Louis, Miller Robert A. 1947-, and Lewis Research Center, eds. Effect of layer-graded bond coats on edge stress concentration and oxidation behavior of thermal barrier coatings. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1998.

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J, Ghosn Louis, Miller Robert A. 1947-, and Lewis Research Center, eds. Effect of layer-graded bond coats on edge stress concentration and oxidation behavior of thermal barrier coatings. [Cleveland, Ohio]: National Aeronautics and Space Administration, Lewis Research Center, 1998.

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Book chapters on the topic "Edge layer"

1

Sethi, Parminder Singh, and Atishay Jain. "Edge Computing Edge Network Layer Security." In Future Connected Technologies, 162–72. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003287612-8.

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Kiya, M. "Structure of Flow in Leading-edge Separation Bubbles." In Boundary-Layer Separation, 57–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83000-6_4.

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Cebeci, Tuncer, Kalle Kaups, and A. A. Khattab. "Separation and Reattachment near the Leading Edge of a Thin Wing." In Boundary-Layer Separation, 313–30. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-83000-6_18.

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Uhlmann, Johannes, and Mathias Weller. "Two-Layer Planarization Parameterized by Feedback Edge Set." In Lecture Notes in Computer Science, 431–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13562-0_39.

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Gründel, H., R. Spieweg, and H. E. Fiedler. "The mixing layer behind a slanted trailing edge." In Fluid Mechanics and Its Applications, 171–78. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0457-9_33.

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Clauer, C. Robert. "Ionospheric observations of waves at the inner edge of the low latitude boundary layer." In Earth's Low-Latitude Boundary Layer, 297–309. Washington, D. C.: American Geophysical Union, 2003. http://dx.doi.org/10.1029/133gm30.

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Kobayashi, Yasuaki, Hirokazu Maruta, Yusuke Nakae, and Hisao Tamaki. "A Linear Edge Kernel for Two-Layer Crossing Minimization." In Lecture Notes in Computer Science, 458–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38768-5_41.

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Agrawal, Kavita, Suresh Chittineni, P. V. G. D. Prasad Reddy, K. Subhadra, and Elizabeth D. Diaz. "Lightweight Privacy Preserving Framework at Edge Layer in IoT." In Intelligent Data Engineering and Analytics, 71–79. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-7524-0_7.

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Uddin, Rushali Sharif, Nusaiba Zaman Manifa, Latin Chakma, and Md Motaharul Islam. "Cross-Layer Architecture for Energy Optimization of Edge Computing." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 687–701. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-34622-4_54.

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Xiang, Shuzhen, Huigui Rong, and Zhangchi Xu. "Data Gathering System Based on Multi-layer Edge Computing Nodes." In Edge Computing and IoT: Systems, Management and Security, 51–64. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73429-9_4.

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Conference papers on the topic "Edge layer"

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Wan, Zhitao, Lihua Duan, and Ping Wang. "Cloud Migration: Layer Partition and Integration." In 2017 IEEE International Conference on Edge Computing (EDGE). IEEE, 2017. http://dx.doi.org/10.1109/ieee.edge.2017.28.

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Shannon, Daniel W., Scott C. Morris, and William K. Blake. "Trailing Edge Noise From Blunt and Sharp Edge Geometries." In ASME 2008 Noise Control and Acoustics Division Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ncad2008-73052.

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The objective of this study was to experimentally investigate the broadband trailing edge noise generated by a sharp trailing edge geometry and an asymmetric blunt edge. The flow field in the vicinity of the sharp trailing edge was found to be equivalent to that of a flat plate turbulent boundary layer. The interaction of the two boundary layers with the edge was responsible for broadband noise generation. The blunt trailing edge geometry exhibited additional complexity, with turbulent boundary layer separation and sound generated by vortex shedding. The measurement program included hot-wire anemometry, unsteady surface pressure, and radiated sound utilizing two microphone arrays. The boundary layer parameters and wall pressure spectra were used to compute the radiated sound from existing scattering theory. These calculations agreed very well with the array data, with differences typically within 2dB over the frequency range considered valid for the theory.
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Klingbeil, Nathan W., and Jack L. Beuth. "Free-Edge Stress Intensity Factors for Edge-Loaded Bimaterial Layers." In ASME 1997 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1997. http://dx.doi.org/10.1115/imece1997-0511.

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Abstract Structures composed of bonded layers of dissimilar materials are common in a variety of applications. Designing such structures to resist debonding at free edges is often of critical importance. In this work, the problem of initiation of free-edge debonding is considered for use in designing debond-resistant layered structures. It is well known that the local elastic stress fields near the free edge of bonded dissimilar quarter planes can exhibit singular behavior, with the power of the stress singularity determined by the material mismatch. A fracture mechanics-type approach is adopted here which assumes that the local interface tractions governing initiation of debonding can be characterized by the power of the stress singularity and a suitably defined stress intensity factor. The global problem considered in this study is that of a bimaterial strip composed of isotropic layers with a uniform edge pressure applied to the top layer. A dimensionless free-edge stress intensity factor is introduced from which stress intensity factors can be derived for either uniform edge or thermal loadings applied to either or both of the layers. Finite element results are presented for the dimensionless free-edge stress intensity factor over a wide range of material mismatches and relative layer thicknesses. Trends in the dimensionless stress intensity factor are used to identify strategies for designing debond-resistant bimaterials. Finally, the trends are shown to be well approximated by the analytically calculated stress resultants transmitted across the interface, which suggests a simplified approach for designing debond-resistant multilayer structures.
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Mayfield, Thomas A., Gary Cullen, Karen Bailey, Paul Greaney, and Kevin Curran. "ELITE: Edge Layer IoT Trustless Environment." In 2023 34th Irish Signals and Systems Conference (ISSC). IEEE, 2023. http://dx.doi.org/10.1109/issc59246.2023.10162000.

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Calvert, W. John. "An Inviscid-Viscous Method to Model Leading Edge Separation Bubbles." In ASME 1994 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/94-gt-247.

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Separation bubbles are likely to occur near the leading edges of sharp-edged blade sections in axial compressors and turbines, particularly when the sections are operated at positive incidence. Typically the flow reattaches a short distance from the leading edge as a turbulent boundary layer, the thickness of which depends on the details of the separation bubble. The overall performance of the blade section can be significantly affected by the thickness of this initial boundary layer — in some cases blade stall is mainly associated with the change in thickness of the layer as blade incidence is increased. A recent experimental study at the Whittle Laboratory, Cambridge demonstrated the importance of the blade leading edge shape on the separation bubble. In the present work, an inviscid-viscous method has been set up to model the experimental data and to provide a way of predicting the performance of this critical region for different leading edge shapes.
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Le, Van Thanh, Nabil El Ioini, Claus Pahl, Hamid R. Barzegar, and Claudio Ardagna. "A Distributed Trust Layer for Edge Infrastructure." In 2021 Sixth International Conference on Fog and Mobile Edge Computing (FMEC). IEEE, 2021. http://dx.doi.org/10.1109/fmec54266.2021.9732606.

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Wang, An, Zili Zha, Yang Guo, and Songqing Chen. "A SDN-based network layer for edge computing." In SEC '19: The Fourth ACM/IEEE Symposium on Edge Computing. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3318216.3363333.

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Ng, T., and Doug Oliver. "Leading edge vortex and shear layer instabilities." In 36th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-313.

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Sun, Xiang, Rana Albelaihi, and Zeinab Akhavan. "Caching IoT Resources in Green Brokers at the Application Layer." In 2020 IEEE/ACM Symposium on Edge Computing (SEC). IEEE, 2020. http://dx.doi.org/10.1109/sec50012.2020.00065.

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Dave, Shrinal, Sheshang Degadwala, and Dhairya Vyas. "DDoS Detection at Fog Layer in Internet of Things." In 2022 International Conference on Edge Computing and Applications (ICECAA). IEEE, 2022. http://dx.doi.org/10.1109/icecaa55415.2022.9936524.

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Reports on the topic "Edge layer"

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L.E. Zakharov. Edge Plasma Boundary Layer Generated By Kink Modes in Tokamaks. Office of Scientific and Technical Information (OSTI), November 2010. http://dx.doi.org/10.2172/1001664.

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Rognlien, T. Prediction of PFC Plasma Fluxes by Improved Edge/Scrape-off-layer Simulations. Office of Scientific and Technical Information (OSTI), February 2009. http://dx.doi.org/10.2172/948971.

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Warne, Larry, and William Johnson. Eddy Current Power Dissipation At The Edge Of A Thin Conductive Layer. Office of Scientific and Technical Information (OSTI), October 2022. http://dx.doi.org/10.2172/1893992.

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Rognlien, T., M. Rensink, A. Holm, and M. Zhao. FESS Design Simulations: methods, tools, & issues forthe edge/scrape-off-layer region. Office of Scientific and Technical Information (OSTI), October 2021. http://dx.doi.org/10.2172/1824765.

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Martini, L., S. Salam, A. Sajassi, M. Bocci, S. Matsushima, and T. Nadeau. Inter-Chassis Communication Protocol for Layer 2 Virtual Private Network (L2VPN) Provider Edge (PE) Redundancy. RFC Editor, June 2014. http://dx.doi.org/10.17487/rfc7275.

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Takahashi, Hironori, E. D. Fredrickson, and M. J. Schaffer. Scrape-off Layer Current Model for Filament Structure Observed during Edge Localized Modes (ELMs) in the DIII-D Tokamak. Office of Scientific and Technical Information (OSTI), April 2008. http://dx.doi.org/10.2172/959392.

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S.J. Zweben, et al. Comparison of Edge Turbulence Imaging at Two Different Poloidal Locations in the Scrape-off Layer of Alcator C-Mod. Office of Scientific and Technical Information (OSTI), March 2013. http://dx.doi.org/10.2172/1072360.

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Myra, James, David Russell, and Daniel D'Ippolito. Final Report for DOE Grant No. DE-FG02-97ER54392: Basic Research in Edge and Scrape-Off Layer Fusion Plasmas. Office of Scientific and Technical Information (OSTI), May 2023. http://dx.doi.org/10.2172/1973667.

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Rognlien, T., M. Rensink, A. Holm, and M. Zhao. Edge and scrape-off layer modeling for a Fusion Nuclear Science Facility with tungsten walls; a summary report for 2019-21. Office of Scientific and Technical Information (OSTI), September 2021. http://dx.doi.org/10.2172/1824757.

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Barkan, Terrance. The Role of Graphene in Achieving e-Mobility in Aerospace Applications. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, December 2022. http://dx.doi.org/10.4271/epr2022030.

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<div class="section abstract"><div class="htmlview paragraph">Advanced two-dimensional (2D) materials discovered in the last two decades are now being produced at scale and are contributing to a wide range of performance enhancements in engineering applications. The most well-known of these novel materials is graphene, a nearly transparent nanomaterial comprising a single layer of bonded carbon atoms. In relative terms, it has the highest level of heat and electrical conductivity, protects against ultraviolet rays, and is strongest material ever measured. These properties have made graphene an attractive potential material for a variety of applications, particularly for transportation related uses, and especially for aerospace engineering. </div><div class="htmlview paragraph"><b>The Role of Graphene in Achieving e-Mobility in Aerospace Applications</b> reviews the current state of graphene-related aerospace applications and identifies the technological challenges facing engineers that look to benefit from graphene’s attractive properties.</div><div class="htmlview paragraph"><a href="https://www.sae.org/publications/edge-research-reports" target="_blank">Click here to access the full SAE EDGE</a><sup>TM</sup><a href="https://www.sae.org/publications/edge-research-reports" target="_blank"> Research Report portfolio.</a></div></div>
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