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12041
Increasing the cyclic strength of threaded joints through the unloading of cracked sections
Published 2012-01-01“…The cyclic strength of the axially loaded threaded joints is considered and the procedural method to increase their lifetime through the unloading of cracked sections is presented. …”
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12042
Research on Analytical Model of Magnetic Torques Between Magnetic Tubes
Published 2024-12-01“…This model can solve magnetic torques of two axially magnetized magnetic tubes at any relative position and posture. …”
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12043
A vida por um trabalho: população estrangeira e ilegal na Espanha
Published 2009-04-01“…The data of the census had disclosed a profile of the foreign population in Spain, had confirmed some impressions and had undone others. …”
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12044
Tolerance Analysis and Optimization of Static Assembly of RV Reducer based on 3DCS
Published 2019-06-01“…In order to improve the assembly yield of RV reducer, combined with its assembly dimension chain design parts tolerance,the use of CATIA is for three-dimensional modeling of RV reducer. …”
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12045
On the Dynamic Analysis of a Beam Carrying Multiple Mass-Spring-Mass-Damper System
Published 2014-01-01“…In the present paper, a free vibration analysis is conducted to determine the exact natural frequencies and mode shapes of an axially loaded beam carrying several absorbers. An explicit expression is presented for the generalized orthogonality relations. …”
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12046
Iris recognition based on generalized Gaussian distribution FDCT_Wrap and FSVM
Published 2016-07-01“…In order to improve the accuracy rate of iris recognition,an improved curvelet transform algorithm for iris recognition was proposed.Firstly,the iris image was decomposed with fast discrete curvelet transform by wrapping algorithm.Mean variance and energy of curvelet sub-band coefficients in different scales and different orientations were extracted.The weights of sub-bands were estimated by generalized Gaussian distribution.The feature vectors with stronger classification ability had large weight,which were calculated to constitute feature vectors of iris image.Finally,feature vectors were matched and recognized by classifier combined with fuzzy support vector machine and binary decision tree.The algorithm performances were tested with UBIRIS and CASIA iris database.Simulation results show that the proposed algorithm has higher recognition accuracy rate and efficiency.It is feasibility.…”
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12047
Finite Element Simulation Analysis for Dynamic Meshing Force of Straight Tooth Face Gear
Published 2015-01-01“…Analysis of the dynamic meshing force of face gear is the important content in the design of face gear drive with high quality.Based on the secondary development of CATIA and the principle of gear machining,the 3Dgeometric modeling of face gear for finite element analysis is obtained.Based on basic theory of contact dynamics,the reasonable finite element analysis model is built and the reasonable parameters are determined.The finite element simulation analysis and study of the dynamic meshing of face gear are carried out by using the ABAQUS,the variation law of the tooth surface contact force and the tooth root bending stress of face gear in the process of continuous mesh and the association law of the among the speed,load and tooth surface dynamic meshing are obtained.It will be provide some reference value for dynamic performance analysis of high-performance face gear drive.…”
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12048
NONLINEAR FREE VIBRATION CHARACTERISTICS OF PRINTING PAPER WEB WITH VARIABLE DENSITY
Published 2019-01-01“…Based on the von Karman plate theory,the vibration equation of the large deflection motion of the axially moving paper is deduced. The differential equation is divided by the Bubnov-Galerkin method,and the differential equation is solved by elliptic integral method. …”
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12049
Ureteroscopía rígida retrógrada en el tratamiento de la litiasis urinaria
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12050
Modeling and Finite Element Analysis of Hypoid Gear Cutting by Completed Method
Published 2017-01-01“…According to machine-tool settings of Gleason’s summary,the high-precision solid model of gear pairs can be established by the cutting simulation of the generated motion between cutter and blank in CATIA software package. By using the finite element software Abaqus to conduct the contact analysis of gears drive,and the tooth root bending stress and the tooth surface contact stress can be calculated and extracted in the entire meshing process,the research results can provide a reference for the strength design of hypoid gear.…”
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12051
Numerical simulation of forced convective fish drying performance of different cabinet geometry
Published 2022-09-01“…The geometries were constructed using CATIA V5 modelling software such that they both have the same volume, so they can be compared appropriately. …”
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12052
Structural Design and Simulation Analysis of a Kind of Multi-function Intelligent Wheelchair
Published 2019-01-01“…Through market research and social investigation,the intelligent wheelchair has the walking function,docking function,lifting function and other auxiliary functions,and the corresponding executing agency is designed. Based on CATIA software,a three-dimensional model of wheelchair is established,and ADAMS software is used to analyze the motion of the docking function module of the intelligent wheelchair,and the feasibility of the mechanism is judged. …”
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12053
Políticas públicas y políticas educativas para la primera infancia: desafíos de la formación del educador infantil
Published 2019-01-01“…A partir de un análisis de contenido de los textos de política, se exploraron las categorías axiales de políticas públicas, primera infancia y formación docente, ejercicio del que emergieron categorías y subcategorías en relación con los saberes que se esperan de un educador infantil: saberes generales, saberes pedagógicos, saberes didácticos y saberes transversales.…”
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12054
Design and Simulation Analysis of a New Frictionless Synchronizer
Published 2019-01-01“…A new type of frictionless synchronizer is designed,and its three-dimensional model is built by using the software CATIA. The three-dimensional model is imported into Adams to establish a virtual prototype model and a two-gear pure electric vehicle model is built in Matlab/Simulink which is used to simulate the speed synchronization and backing process of the new synchronizer. …”
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12055
Penghitungan Beban Kritis pada Struktur Balok-Kolom Akibat Pembebanan Secara Aksial dan Lateral Berbasiskan Metode Beda Hingga
Published 2017-10-01“…The load is given in types of uniform distribution load, q, laterally and a concentrated load, P, axially. Using a computational program, the relationships of P/q to slendernes ratio, l, for all models are determined. …”
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12056
Gait Recognition Using GEI and AFDEI
Published 2015-01-01“…Finally, to verify the performance, the proposed algorithm was compared with the GEI + 2D-PCA and SFDEI + HMM on the CASIA-B gait database. The experimental results have shown that the proposed algorithm performs better than GEI + 2D-PCA and SFDEI + HMM and meets the real-time requirements.…”
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12057
大连华锐重工集团股份有限公司齿轮箱研究所
Published 2015-01-01“…齿轮箱研究所汇集了国内外享有盛誉的专家和学者,人员组成包括高级工程师、工程师、博士、硕士等专业技术人员,拥有国际先进的建模和分析软件,如CATIA、KISSsoft、RomaxWIND、SMT、SIMPACK、HyperWorks、ANSYS、Fesafe、MathWorks等,为专业…”
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12058
FAILURE ANALYSIS OF THE FLAT CHAIN OF SCRAPER CONVEYOR
Published 2018-01-01“…Software package CATIA was employed to compare the models,including the wear volumes,positions and quantitative analysis of wear. …”
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12059
Memórias fraturadas: passado, identidade e imaginação em Borges e Mutarelli
Published 2011-01-01“…This paper discusses such issues through the dialogue between the stories “O outro” and “Funes, o memorioso”, by Jorge Luis Borges, and the comics narrative “A caixa de areia ou eu era dois em meu quintal” by Lourenço Mutarelli, including aspects such as identity construction and the use of imagination in that operation.…”
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12060
Study on the Temperature Field of Wet Brake Contact Interface based on Fractal Theory
Published 2017-01-01“…In order to improve the braking performance and service life of wet brake,taking the wet brake of the dump truck as research object,based on the fractal theory,considering the influence of variable effect of moving heat source and friction heat flow,the mathematic model of wet brake temperature field is established,the 3D solid model of friction pair is established in the CATIA and the emergency braking is simulated by using the finite element analysis software ANSYS,the wet brake temperature field and stress field distribution are studied. …”
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