国家自然科学基金(s10725210)

作品数：6被引量：13H指数：3
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相关期刊：《Science China(Physics,Mechanics & Astronomy)》《Acta Mechanica Solida Sinica》《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》更多>>
相关主题：ANISOTROPICWAVE_PROPAGATIONWAVESRAYPIEZOELECTRIC更多>>
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Dynamics of a prestressed Timoshenko beam subject to arbitrary external load
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2010年第11期898-907,共10页Ji-qing JIANG Gui-ru YE 
Project supported by the National Basic Research Program of China (No. 2009CB623204);the National Natural Science Foundation of China (Nos. 10725210 and 10972196)
The free vibration and transient wave in a prestressed Rayleigh-Timoshenko beam subject to arbitrary transverse forces are analyzed by the newly developed method of reverberation-ray matrix (MRRM). The effects of shea...
关键词：Reverberation-ray analysis Prestressed Timoshenko beam Free vibration Dynamic responses 
Micromechanics-based analysis for predicting asphalt concrete modulus
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2010年第6期415-424,共10页Xing-yi ZHU Zhi-yi HUANG Zhong-xuan YANG Wei-qiu CHEN 
supported by the National Natural Science Foundation of China (Nos. 10725210 and 50808159);the National Basic Re-search Program (973) of China (No. 2009CB623204)
The elastic modulus of asphalt concrete(AC) is an important material parameter for pavement design.The prediction and determination of elastic modulus,however,largely depends on laboratory tests which cannot reflect e...
关键词：Asphalt concrete(AC) MICROMECHANICS Microstructure Effective bonding Optimum design Elastic modulus 
Guided wave propagation in multilayered piezoelectric structures被引量：4
《Science China(Physics,Mechanics & Astronomy)》2009年第7期1094-1104,共11页GUO YongQiang1, CHEN WeiQiu2,3 & ZHANG YongLiang4 1 Key Laboratory of Mechanics on Disaster and Environment in Western China, Ministry of Education, and School of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, China 2 Key Laboratory of Soft Soils and Geoenvironmental Engineering, Ministry of Education, and Department of Civil Engineering, Zhejiang University, Hangzhou 310058, China 3 Department of Engineering Mechanics, Zhejiang University, Hangzhou 310027, China 4 School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China 
Supported by the National Natural Science Foundation of China (Grant Nos 10725210 and 10832009);the Specialized Research Fund for the Doctoral Program of Higher Education (Grant No 20060335107);the National Basic Research Pro-gram of China (Grant No 2009CB623204);the Scientific Research Foundation for Tsuiying Talents of Lanzhou University
A general formulation of the method of the reverberation-ray matrix (MRRM) based on the state space formalism and plane wave expansion technique is presented for the analysis of guided waves in multilayered piezoelect...
关键词：MULTILAYERED PIEZOELECTRIC structures the method of reverberation-ray matrix GUIDED WAVES dispersion characteristic 
ON FREE WAVE PROPAGATION IN ANISOTROPIC LAYERED MEDIA被引量：5
《Acta Mechanica Solida Sinica》2008年第6期500-506,共7页Yongqiang Guo Weiqiu Chen 
supported by the National Natural Science Foundation of China(Nos.10725210,10832009 and 10432030);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20060335107);the Program for New Century Excellent Talents in University(No.NCET-05-05010).
The method of reverberation-ray matrix （MRRM） is extended and modified for the analysis of free wave propagation in anisotropic layered elastic media. A general, numerically stable formulation is established within ...
关键词：anisotropic layered media the method of reverberation-ray matrix elastic waves dispersion characteristic 
Discrete element modeling of sand behavior in a biaxial shear test被引量：3
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2008年第9期1176-1183,共8页Zhi-yi HUANG Zhong-xuan YANG Zhen-yu WANG 
the National Natural Science Foundation of China (Nos. 10725210 and 50509021);the Postdoctoral Foundations in China (No. 20070421202);the Program for New Century Excellent Talents in University in China (No. NCET-05-05010);the Com-petitive Postdoctoral Research Project in Zhejiang Province, China
The mechanical behavior of sand is very complex, and depends on factors including confining pressure, density, and drainage condition. A soil mass can be contractive or dilative when subjected to shear loading, and ev...
关键词：Granular soil behavior Critical state MICROSTRUCTURE Discrete element method （DEM） 
Science Letters:On numerical calculation in symplectic approach for elasticity problems被引量：1
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2008年第5期583-588,共6页Li ZHAO Wei-qiu CHEN 
the National Natural Science Foundation of China (Nos. 10725210 and 10432030); the Specialized Research Fund for the Doctoral Program of Higher Education (No. 20060335107);the Program for New Century Excellent Talents in University, MOE, China (No. NCET-05-05010)
The symplectic approach proposed and developed by Zhong et al. in 1990s for elasticity problems is a rational analytical method, in which ample experience is not needed as in the conventional semi-inverse method. In t...
关键词：Symplectic approach EIGENFUNCTION Numerical stability Elasticity problems 
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