ANALYTICAL

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Revisiting gamma-ray burst afterglows with time-dependent parameters
《Research in Astronomy and Astrophysics》2018年第2期53-72,共20页Chao Yang Yuan-Chuan Zou Wei Chen Bin Liao Wei-Hua Lei Yu Liu 
supported by the National Basic Research Program of China(973 Program,Grant 2014CB845800);the National Natural Science Foundation of China(Grant Nos.11773010,U1431124 and U1738132)
The relativistic external shock model of gamma-ray burst （GRB） afterglows has been estab- lished with five free parameters, i.e., the total kinetic energy E, the equipartition parameters for electrons ee and for the...
关键词：（stars：） gamma.ray burst： general -- methods： analytical 
An analytical symplectic approach to the vibration analysis of orthotropic graphene sheets被引量：4
《Acta Mechanica Sinica》2017年第5期912-925,共14页Xinsheng Xu Dalun Rong C.W.Lim Changyu Yang Zhenhuan Zhou 
support of the National Natural Science Foundation of China (Grant 11672054);the Research Grant Council of Hong Kong (11215415);the National Basic Research Program of China (973 Program) (Grant 2014CB046803)
A nonlocal continuum orthotropic plate model is proposed to study the vibration behavior of single-layer graphene sheets (SLGSs) using an analytical symplectic approach. A Hamiltonian system is established by introduc...
关键词：Hamiltonian system Analytical method Nonlocal elasticity theory Orthotropic graphene sheet Natural frequency 
Modeling the Synergetic Effect of Various Factors on Chloride Transport in Nonsaturated Concrete被引量：1
《Journal of Wuhan University of Technology(Materials Science)》2016年第6期1336-1346,共11页张小刚 LU Zhaohui 王淑萍 ZHOU Tianhai XING Feng 
Funded by the National Natural Science Foundation of China(Nos.51278304,U1134209,U1434204&51422814);the National Basic Research Program(973 Program)of China(No.011-CB013604);the Technology Research and Development Program(Basic Research Project)of Shenzhen(Nos.JCYJ20120613174456685&JCYJ20130329143859418)
Diffusion has been systematically described as the main mechanism of chloride transport in reinforced concrete（RC） structure, especially when the concrete is in a saturated state. However, the single mechanism of di...
关键词：RC structures nonsaturated concrete chloride transport synergetic effect analytical convection-diffusion model influence factors 
Effects of Joint Controller on Analytical Modal Analysis of Rotational Flexible Manipulator被引量：8
《Chinese Journal of Mechanical Engineering》2015年第3期460-469,共10页CHU Ming ZHANG Yanheng CHEN Gang SUN Hanxu 
Supported by National Natural Science Foundation of China(Grant No.51305039);Specialized Research Fund for the Doctoral Program of Higher Education,China(Grant No.20110005120004);Fundamental Research Funds for the Central Universities,China(Grant No.2014PTB-00-01);National Basic Research Program of China(973 Program,Grant No.2013CB733000)
Modal analysis is a fundamental and important task for modeling and control of the flexible manipulator. However, almost all of the traditional modal analysis methods view the flexible manipulator as a pure mechanical...
关键词：flexible manipulator analytical modal analysis boundary constraints joint controller 
Analytical modeling of geometric errors induced by cutter runout and tool path optimization for five-axis flank machining被引量：7
《Science China(Technological Sciences)》2011年第12期3180-3190,共11页GUO Qiang SUN YuWen GUO DongMing 
supported by the National Natural Science Foundation of China (Grant No. 51075054);the National Basic Research Program of China ("973" Program) (Grant Nos. 2005CB726100 and 2011CB706800);the Fundamental Research Funds for the Central Universities (Grant No. DUT10ZD205)
The cutter runout effect has significant influence on the shape of cutter swept surface and the machining surface quality. Hence,it is necessary to integrate the cutter runout effect in cutter swept surface modeling,g...
关键词：cutter runout tool path optimization envelope surface five-axis machining geometric errors 
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