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浏览/检索结果: 共11条，第1-10条 帮助

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Dynamic Modeling and Simulation of Quick-Setting Slurry with Spatiotemporal Rheological Properties 会议论文  OAI收割
Beijing, 21 October 2021 - 25 October 2021
作者:  Cheng PD(程鹏达);  Deng,Shaohui;  Liu,Bao Lin;  Xing,Zhanqing;  Yang,Peizhou
  |  收藏  |  浏览/下载：50/0  |  提交时间：2021/11/23
Supplier's goal setting considering sustainability: An uncertain dynamic Data Envelopment Analysis based benchmarking model 期刊论文  OAI收割
INFORMATION SCIENCES, 2021, 卷号: 545, 页码: 44-64
作者:  Zhou, Xiaoyang;  Li, Linzi;  Wen, Haoyu;  Tian, Xin;  Wang, Shouyang
  |  收藏  |  浏览/下载：36/0  |  提交时间：2021/04/26
Dynamic boundary setting for discrete element method considering the seismic problems of rock masses 期刊论文  OAI收割
GRANULAR MATTER, 2019, 卷号: 21, 期号: 3, 页码: -
作者:  Zhou, Xingtao;  Sheng, Qian;  Cui, Zhen
  |  收藏  |  浏览/下载：18/0  |  提交时间：2020/04/08
Boundary setting method for the seismic dynamic response analysis of engineering rock mass structures using the discontinuous deformation analysis method 期刊论文  OAI收割
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS, 2015, 卷号: 39, 期号: 15, 页码: 1693-1712
作者:  Fu, Xiaodong;  Sheng, Qian;  Zhang, Yonghui;  Zhou, Yongqiang;  Dai, Feng
  |  收藏  |  浏览/下载：18/0  |  提交时间：2018/06/05
Three-loop autopilot design and simulation (EI CONFERENCE) 会议论文  OAI收割
2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012, August 5, 2012 - August 8, 2012, Chengdu, China
作者:  Zhang Y.
收藏  |  浏览/下载：42/0  |  提交时间：2013/03/25
In order to realize missile real-time change flight trajectory  three-loop autopilot is setting up. The structure characteristics  autopilot model  and control parameters design method were researched. Firstly  this paper introduced the 11th order three-loop autopilot model. With the principle of systems reduce model order  the 5th order model was deduced. On that basis  open-loop frequency characteristic and closed-loop frequency characteristic were analyzed. The variables of velocity ratio  dynamic pressure ratio and elevator efficiency ratio were leading to correct system nonlinear. And then autopilot gains design method were induced. System flight simulations were done  and result shows that autopilot gains played a good job in the flight trajectory  autopilot satisfied the flight index. 2012 IEEE.  
Dynamic optimum design and analysis of cam wave generator for harmonic gear drive (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Information and Automation, ICIA 2011, June 6, 2011 - June 8, 2011, Shenzhen, China
Xiao Q.; Han X.; Jia H.
收藏  |  浏览/下载：22/0  |  提交时间：2013/03/25
Mathematical models of structural optimization were established for the cam wave generator  then a conceptual model  by integrally taking its static and dynamic performance into consideration  which satisfied the model acted by four concentrated forces  while the dynamic optimum design was carried out. The topology optimization of the cam wave generator was performed based on artificial material density method  was obtained. And the size optimization of the cam wave generator was also executed based on the zero-order method in software Ansys after setting up its parameterized model. The optimized results indicate that its final volume declines to 1284.217mm3 from its 1397.830mm3  which reduced by 42.18% than the original volume of cam (2221.224mm3). Simultaneously  the static analysis and modal analysis were implemented  and the results show that the static and dynamic performance complies with the design requirements  proving that the results of dynamic optimum design are reasonable. The optimized results in paper are realizable in engineering. And the study method provides not only a reference to decreasing design mass and lowering inertia of the cam wave generator  but also an important basis of lightweight design of harmonic gear drive. 2011 IEEE.  
Post-collisional, potassic monzonite-minette complex (Shahewan) in the Qinling Mountains (central China): Ar-40/Ar-39 thermochronology, petrogenesis, and implications for the dynamic setting of the Qinling orogen 期刊论文  OAI收割
JOURNAL OF ASIAN EARTH SCIENCES, 2007, 卷号: 31, 期号: 2, 页码: 153-166
作者:  Wang, Fei;  Lu, Xin-Xiang;  Lo, Ching-Hua;  Wu, Fu-Yuan;  He, Huai-Yu
  |  收藏  |  浏览/下载：15/0  |  提交时间：2018/09/26
Post-collisional, potassic monzonite-minette complex (Shahewan) in the Qinling Mountains (central China): Ar-40/Ar-39 thermochronology, petrogenesis, and implications for the dynamic setting of the Qinling orogen 期刊论文  OAI收割
JOURNAL OF ASIAN EARTH SCIENCES, 2007, 卷号: 31, 期号: 2, 页码: 153-166
作者:  Wang, Fei;  Lu, Xin-Xiang;  Lo, Ching-Hua;  Wu, Fu-Yuan;  He, Huai-Yu
  |  收藏  |  浏览/下载：19/0  |  提交时间：2018/09/26
Late mesozoic volcanism in the Great Xing'an range (NE China): Timing and implications for the dynamic setting of NE Asia 期刊论文  OAI收割
EARTH AND PLANETARY SCIENCE LETTERS, 2006, 卷号: 251, 期号: 1-2, 页码: 179-198
作者:  Wang, Fei;  Zhou, Xin-Hua;  Zhang, Lian-Chang;  Ying, Ji-Feng;  Zhang, Yu-Tao
  |  收藏  |  浏览/下载：16/0  |  提交时间：2018/09/26
Late mesozoic volcanism in the Great Xing'an range (NE China): Timing and implications for the dynamic setting of NE Asia 期刊论文  OAI收割
EARTH AND PLANETARY SCIENCE LETTERS, 2006, 卷号: 251, 期号: 1-2, 页码: 179-198
作者:  Wang, Fei;  Zhou, Xin-Hua;  Zhang, Lian-Chang;  Ying, Ji-Feng;  Zhang, Yu-Tao
  |  收藏  |  浏览/下载：14/0  |  提交时间：2018/09/26