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Distributed collaborative extremum response surface method for mechanical dynamic assembly reliability analysisFEI Cheng-wei(费成巍), BAI Guang-chen(白广忱) (School of Jet Propulsion, Beihang University, Beijing 100191, China)Abstract:To make the dynamic assembly reliability analysis more effective for complex machinery of multi-object multi-discipline (MOMD), distributed collaborative extremum......
Optimal design of butterfly-shaped linear ultrasonic motor using finite element method and response surface methodologySHI Yun-lai(时运来), CHEN Chao(陈超), ZHAO Chun-sheng(赵淳生)(State Key Laboratory... motor was proposed to maximize its mechanical output. The finite element analysis technology and response surface methodology were combined together to realize the optimal design of the butterfly-shaped......
sensitivity analysis of BTRRC was accomplished from a probabilistic prospective by considering nonlinear material attributes and dynamic loads. Firstly, multiply response surface model (MRSM) was proposed... of complex dynamic assembly relationship.Key words:high pressure turbine; blade-tip radial running clearance; reliability sensitivity analysis; multiply response surface method......
A theoretical analysis of vertical dynamic response of large-diameter pipe piles in layered soilDING Xuan-ming(丁选明)1, 2, ZHENG Chang-jie(郑长杰)2, LIU Han-long(刘汉龙)1, 2(1. Key Laboratory of Ministry.... Moreover, the effects of the distribution of soil layers are analyzed. The results indicate that the effect of the upper soil layer on dynamic response of the pipe pile is more obvious than......
South University, Changsha 410083, China) Abstract: The response and energy dissipation of rock under stochastic stress waves were analyzed based on dynamic fracture criterion of brittle materials... loading with different waveforms[J]. Explosion and shock waves, 1994, 14(2): 129-139.(in Chinese) [4] ZHANG Y, LU Y, MA G. Investigation of dynamic response of brittle materials under high-rate......
;动力响应 中图分类号:TU457 文献标志码:A 文章编号:1672-7207(2011)04-1079-06 Dynamic response laws of slope under... of the displacement and velocity of every gridpoint were recorded. One point in the bottom of the slope was made as a reference point to calculate the seismic dynamic response coefficient......
is usually set as the finite element model boundary to analyze seismic response of embankment structure while considering the dynamic interaction of foundation and embankment structure. Among them...J. Cent. South Univ. (2016) 23: 721-728 DOI: 10.1007/s11771-016-3117-x Seismic response analysis of GRPS embankment under oblique incident P wave GAO Xin-jun(郜新军), QIAN Hui(钱辉), GUO Yuan-cheng(郭院成......
that the single-period syntonic, double-period subharmonic, quasi-period and chaos response increase in the system when the excitation frequency changes. The clearance affects the dynamic load... gear; nonlinear vibration; dynamic response 面齿轮传动是一种圆锥齿轮与圆柱齿轮相啮合的传动,其中,圆锥齿轮(面齿轮)是采用直齿渐开线齿轮刀具经范成加工而成.面齿轮传动具有很多独特的优点和几何现象[1-3].据国外文献报道,在直升机传动系统中采用具有面齿轮的动力分流传动装置,比传统装置的质量下降40%;在分流传动中,面齿轮传动可以精确分配转矩;对轴向误差不......
Nonlinear finite element analysis of effect of seismic waves on dynamic response of Shiziping damDING Xuan-ming(丁选明)1, 2, LIU Han-long(刘汉龙)1, YU Tao(于陶)1, KONG Gang-qiang(孔纲强)1(1. Key Laboratory... with the specification values. The site spectrum results in larger acceleration response than the specification spectrum. The analysis of relative dynamic displacement indicates that the displacement......
of radial stress and the radial displacements of rock particles.Key words:underground explosion; deep rock; Grigorian model; numerical calculation; dynamic response...Dynamic responses of deep underground explosions based on improved Grigorian modelCHEN Wan-xiang(陈万祥)1, 2, FAN Xin(范新)1, 3, GUO Zhi-kun(郭志昆)1, WANG Ming-yang(王明洋)1(1. State Key Laboratory of Disaster......