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Relevant bibliographies by topics / Guiding curves

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Journal articles

Academic literature on the topic 'Guiding curves'

Author: Grafiati

Published: 14 March 2023

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Journal articles on the topic "Guiding curves"

1

Popa, Gabriel, Ioan Sebesan, Marius Adrian Spiroiu, and Claudiu Nicolae Badea. "Safety against Derailment for Railway Vehicles." Applied Mechanics and Materials 659 (October 2014): 223–30. http://dx.doi.org/10.4028/www.scientific.net/amm.659.223.

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The shock attack occurs at a railway vehicle circulation in a curve in which a discontinuous bend appears, mathematically represented by an angular point. In this point, shock angle produces an abrupt change of direction of the vehicle, respectively a dynamic shock force.The paper presents a mathematical model used to determine the dynamic force shock and its influence on vehicle guiding safety. The study was applied to the tank wagon on bogies for transportation of petroleum products, because such vehicles generally have derailed at circulation in curves in which have occurred accidentally di

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2

Krivoshapko, Sergey N., and Svetlana L. Shambina. "The pendulum type surfaces with congruential cross sections." Structural Mechanics of Engineering Constructions and Buildings 17, no. 2 (2021): 165–74. http://dx.doi.org/10.22363/1815-5235-2021-17-2-165-174.

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The article discusses new kinematic surfaces that can be attributed to the class of surfaces of congruent cross sections. The surfaces of congruent cross sections were first identified in a separate class by Professor I.I. Kotov. Circular, elliptical and parabolic cylinders are taken as the guiding surfaces, and circles and parabolas are taken as generating plane curves, which can be located in the plane of the generating curve of the guiding cylinder or in a plane parallel to its longitudinal axis. The introduction of a new independent parameter helped to solve the set geometric problems. The

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3

Müller, Dirk, Dana Z. Anderson, Randal J. Grow, Peter D. D. Schwindt, and Eric A. Cornell. "Guiding Neutral Atoms Around Curves with Lithographically Patterned Current-Carrying Wires." Physical Review Letters 83, no. 25 (1999): 5194–97. http://dx.doi.org/10.1103/physrevlett.83.5194.

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4

Schutz, Hannah M., Rutger Quispel, Bart J. Veldt, et al. "Cumulative sum learning curves guiding multicenter multidisciplinary quality improvement of EUS-guided tissue acquisition of solid pancreatic lesions." Endoscopy International Open 10, no. 04 (2022): E549—E557. http://dx.doi.org/10.1055/a-1766-5259.

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Abstract Background and study aims In this study, we evaluated the performance of community hospitals involved in the Dutch quality in endosonography team regarding yield of endoscopic ultrasound (EUS)-guided tissue acquisition (TA) of solid pancreatic lesions using cumulative sum (CUSUM) learning curves. The aims were to assess trends in quality over time and explore potential benefits of CUSUM as a feedback-tool. Patients and methods All consecutive EUS-guided TA procedures for solid pancreatic lesions were registered in five community hospitals between 2015 and 2018. CUSUM learning curves w

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5

Krivoshapko, Sergey N., and Vyacheslav N. Ivanov. "Surfaces of congruent sections on cylinders." Vestnik MGSU, no. 12 (December 2020): 1620–31. http://dx.doi.org/10.22227/1997-0935.2020.12.1620-1631.

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Introduction. The definition of surfaces of congruent sections was first formulated in the work written by I.I. Kotov. These and several other types of surfaces, generated by the motion of a curve, belonged to the class of kinematic surfaces. Such kinematic surfaces as those of plane parallel displacement, surfaces of rotation, Monge surfaces, cyclic surfaces with ge-nerating circles having constant radius, rotative and spiroidal surfaces, helical some helix-shaped surfaces can be included into the class of surfaces that have congruent sections. Materials and methods. Using I.I. Kotov’s

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6

Hauser, Vladimír, Olena S. Nozhenko, Kateryna O. Kravchenko, Mária Loulová, Juraj Gerlici, and Tomáš Lack. "Car body and bogie connection modification for track curves passability improvement." MATEC Web of Conferences 157 (2018): 03009. http://dx.doi.org/10.1051/matecconf/201815703009.

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For Tram cars, it is often necessary to operate in cities on strongly curved track, which is followed by an increased effect of the vehicle on the track. Especially, this increased effect occurs in spiral transition curves situated between direct and arc sections or between two arc sections of different radius. In such case, increased guiding forces, creep in the rail - wheel contact, wear and noise generation can be observed. Exactly with the aim to reduce these undesirable effects we designed a tram bogie with steered wheelsets. This paper deals with a modification of its coupling to vehicle

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Turner, Sean W. D., Wenwei Xu, and Nathalie Voisin. "Inferred inflow forecast horizons guiding reservoir release decisions across the United States." Hydrology and Earth System Sciences 24, no. 3 (2020): 1275–91. http://dx.doi.org/10.5194/hess-24-1275-2020.

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Abstract. Medium- to long-range forecasts often guide reservoir release decisions to support water management objectives, including mitigating flood and drought risks. While there is a burgeoning field of science targeted at improving forecast products and associated decision support models, data describing how and when forecasts are applied in practice remain undeveloped. This lack of knowledge may prevent hydrological modelers from developing accurate reservoir release schemes for large-scale, distributed hydrology models that are increasingly used to assess the vulnerabilities of large regi

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8

Ren, Nai Fei, Lei Jia, and Dian Wang. "Numerical Simulation Analysis on the Temperature Field in Indirect Selective Laser Sintering of 316L." Advanced Materials Research 711 (June 2013): 209–13. http://dx.doi.org/10.4028/www.scientific.net/amr.711.209.

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Using APDL programming language, an appropriate finite element model is created and the moving cyclic loads of Gauss heat source are realized. From the detailed qualitative analysis of the results, the variety laws of temperature field in indirect SLS are obtained. Plot results at different moments, temperature cyclic curves of key points and the curves of depth of fusion and width of fusion on the set paths, are of important guiding significance for subsequent physical experiments.

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9

Wu, Weidong, and Xunnian Yang. "Variational surface design under normal field guidance." Journal of Computational Design and Engineering 2, no. 3 (2015): 129–36. http://dx.doi.org/10.1016/j.jcde.2015.03.001.

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Abstract This paper proposes a novel method for shape design of a Bézier surface with given boundary curves. The surface is defined as the minimizer of an extended membrane functional or an extended thin plate functional under the guidance of a specified normal field together with an initial prescribed surface. For given boundary curves and the guiding normal field, the free coefficients of a Bézier surface are obtained by solving a linear system. Unlike previous PDE based surface modeling techniques which construct surfaces just from boundaries, our proposed method can be used to generate smo

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10

Huang, Zhi Lu, and Kuan Min Chen. "Research on the Quantitative Technical Index of Combining Horizontal and Vertical Curves of Expressway." Applied Mechanics and Materials 668-669 (October 2014): 1442–48. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.1442.

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The factors of combining horizontal and vertical curves are analyzed for guiding road design on expressway in practice and ensuring the safety and comfort of vehicle. The influences on drivers' by all kinds of flat vertical combination characteristics are researched. The necessary conditions meeting the horizontal and vertical combination rationality are proposed through the highway and driver characteristics. The identification sight on convex and concave vertical curve under driving at night and overpass are studied based on driver's sight guidance; the indexes of the vertical curve radius a

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