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Microstructure evolution model based on deformation mechanism of titanium alloy in hot forming LI Xiao-li(李晓丽), LI Miao-quan(李淼泉) (School of Materials Science and Engineering, Northwestern... to the process variables in deformation process of metals and alloys. A microstructure evolution model of a titanium alloy in hot forming, which included dislocation density rate and primary α phase......
Water shutoff model test in water-rich sandy stratum by phosphoric acid-water glass groutYANG Yu-you(杨宇友), NI Mao-guang(倪茂光) (School of Engineering and Technology, China University of Geosciences...% phosphoric acid by 1:1 volume ratio is found to be more effective in stopping water. Laboratory model test of water shutoff by grouting was conducted. Test results show that the diffusion length......
Coupled heat/mass-balance model for analyzing correlation between excess AlF3 concentration and aluminum electrolyte temperature HUANG Yong-bo(黄涌波)1, 2, QU Xiang-dong(瞿向东)2, ZHOU Jie-min(周孑民)1 1... heat/mass-balance model was derived theoretically from the mass and energy balance of an electrolysis cell, and then was simplified properly into a practical expression. The model demonstrates......
J. Cent. South Univ. (2017) 24: 2674-2684 DOI: https://doi.org/10.1007/s11771-017-3680-9 Restoring-force model of modified RAC columns with silica fume and hybrid fiber YANG Tao(杨涛)1, WANG She-liang... Abstract: In order to establish a restoring-force model for modified concrete columns with recycled aggregates concrete (RAC), cyclic loading tests were carried out on five concretes with RAC columns......
J. Cent. South Univ. (2017) 24: 2458-2467 DOI: https://doi.org/10.1007/s11771-017-3657-8 A novel method for virtual clearance computation of high-speed train based on model integration and convex.... This paper summarizes the virtual 3D clearance computation of an HST based on model integration and the convex hull method. First, both the aerodynamic and kinetic analysis models of the HST......
J. Cent. South Univ. (2016) 23: 470-478 DOI: 10.1007/s11771-016-3092-2 Coupling model for calculating prestress loss caused by relaxation loss, shrinkage, and creep of concrete CAO Guo-hui(曹国辉)1, HU... South University Press and Springer-Verlag Berlin Heidelberg 2016 Abstract: The calculation model for the relaxation loss of concrete mentioned in the Code for Design of Highway Reinforced Concrete......
J. Cent. South Univ. Technol. (2010) 17: 857-862 DOI: 10.1007/s11771-010-0567-4 Finite element model updating for large span spatial steel structure considering uncertainties TENG Jun(滕军)1, ZHU...: In order to establish the baseline finite element model for structural health monitoring, a new method of model updating was proposed after analyzing the uncertainties of measured data and the error......
J. Cent. South Univ. (2018) 25: 2615-2625 DOI: https://doi.org/10.1007/s11771-018-3940-3 Robust control with compensation of adaptive model for dual-stage inertially stabilized platform SONG Jiang... of adaptive model to deal with parameter variations and nonlinearity, a systematic robust H∞ control scheme is designed, which can achieve good tracking performance, as well as improve system......
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Article ID: 1003-6326(2005)03-0485-06 Development and application of coupling model of aluminum thin-gauge high-speed casting LIU Xiao-bo(刘晓波)1, MAO Da-heng(毛大恒)2, ZHONG Jue(钟 掘)2... University, Changsha 410083, China) Abstract: Based on the analyses of aluminum melt flow, solidification, heat transfer during the process of twin-roll casting, a coupling mathematical model of aluminum......