共搜索到26075条信息,每页显示10条信息,共2608页。用时:0小时0分0秒453毫秒
Theoretical analysis of fluid mixing time in liquid-continuous impinging streams reactorLUO Yan(罗燕)1, 2, ZHOU Jian-qiu(周剑秋)1, 2, GUO Zhao(郭钊)2, YU Bei(余蓓)2, XIONG Hui(熊卉)2(1. School of Mechanical... words:impinging stream reactor; empirical model; theoretical model; mixing time; comparative analysis......
J. Cent. South Univ. (2019) 26: 1794-1806 DOI: https://doi.org/10.1007/s11771-019-4134-3 Limit variation analysis of shallow rectangular tunnels collapsing with double-layer rock mass based... theorem of limit analysis, the progressive collapse of shallow rectangular tunnels with double-layer rock mass has been theoretically analyzed based on the three-dimensional (3D) velocity discontinuity......
J. Cent. South Univ. Technol. (2008) 15: 75-80 DOI: 10.1007/s11771-008-0016-9 3D finite element analysis on pile-soil interaction of passive pile group ZHAO Ming-hua(赵明华... criterion in the analysis. The large displacement of soil was considered and contact elements were used to evaluate the interaction between pile and soil. The influences of soil depth of layer and number......
Experimental and finite element analysis for fracture of coating layer of galvannealed steel sheet S. I. KIM1, J. U. HER2, Y. C. JANG2, Y. LEE2 1. Sheet Products and Process Research Group, POSCO... on ductility of the coating layer considerably as well. Key words: galvannealed steel sheet; fracture simulation; coating layer; finite element analysis, failure model 1 Introduction In recent years......
J. Cent. South Univ. (2016) 23: 3040-3050 DOI: 10.1007/s11771-016-3367-7 Crushing analysis and multiobjective crashworthiness optimization of bitubular polygonal tubes with internal walls LI Jian(李健... words: crashworthiness optimization; thin-walled structure; energy absorption; response surface method; finite element analysis 1 Introduction For the safety protection of occupants during a train......
......
J. Cent. South Univ. (2021) 28: 2556-2573 DOI: https://doi.org/10.1007/s11771-021-4786-7 Analysis model for deformation mechanism of strip foundation of building: Considering shear effect of down... damage to the buildings above, and the deformation of building foundation is the key to building safety. Based on the engineering case, the theoretical analysis was employed to evaluate the influence......
Defect analysis of complex-shape aluminum alloy forging SHAN De-bin(单德彬), ZHANG Yan-qiu(张艳秋), WANG Yong(王 勇), XU Fu-chang(徐福昌), XU Wen-chen(徐文臣), L? Yan(吕 炎) School of Materials Science... process project and optimizing the process parameters for forging complex-shape aviation products. Key words: aluminum alloy; defect analysis; isothermal precision forging; FEM; metal forming 1......
......
......