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国家自然科学基金(10725210): 作品数：18被引量：43H指数：4; 导出分析报告; 相关作者：陈伟球徐荣桥沈旭栋叶贵如诸骏更多>>; 相关机构：浙江大学兰州交通大学兰州大学更多>>; 相关期刊：《Applied Mathematics and Mechanics(English Edition)》《低温建筑技术》《Science China(Physics,Mechanics & Astronomy)》《Science China(Technological Sciences)》更多>>; 相关主题：ANALYTICAL_SOLUTIONINCLUSIONSOLUTIONFUNCTIONALLY_GRADED回传射线矩阵法更多>>; 相关领域：理学建筑科学一般工业技术更多>>

有轴力的部分作用组合梁的动力分析被引量：10: 《振动工程学报》2012年第5期514-521,共8页沈旭栋陈伟球徐荣桥; 国家自然科学基金资助项目(10725210);中央高校基本科研业务费青年专项基金资助项目(2009QNA4022); 针对轴力作用下部分作用组合梁的振动,给出了基于状态空间列式的求解方法,并导出了自由振动频率方程。进一步利用辛内积的概念,针对工程中常见的边界条件证明了振动模态的正交性,进而采用模态叠加法进行了瞬态响应分析,得到了移动集中...; 关键词：组合梁状态空间法辛内积模态正交性动力分析

刚性球压头与压电半空间的接触问题再探: 《力学季刊》2011年第3期307-314,共8页陈聪陈伟球; 国家自然科学基金(10725210)项目; 压痕技术被广泛用于新型材料的性能测定,因此相关理论的建立就显得十分重要。在压电材料的压痕理论中对球形或锥形压头的压入分析的已有结果并不完全一致,本文为此重新考察了刚性球形压头与横观各向同性压电材料的接触问题。研究发现在...; 关键词：压电材料压痕理论球压头接触半径应力奇异性

Surface effect on Bleustein-Gulyaev wave in a piezoelectric half-space被引量：2: 《Theoretical & Applied Mechanics Letters》2011年第4期11-14,共4页Weiqiu Chen a) Department of Engineering Mechanics,Zhejiang University,Yuquan Campus,Hangzhou 310027,China; supported by the National Natural Science Foundation of China (11090333,10832009 and10725210); Surface effect,which is attributed to the different environment surrounding the surface or near-surface atoms from that embracing the bulk atoms,may become significant when the surface-to-volume ratio of a body is lar...; 关键词：surface piezoelectricity plane boundary state-space formalism Bleustein-Gulyaev wave

Analysis of the penalty version of the Arlequin framework for the prediction of structural responses with large deformations: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2011年第7期552-560,共9页Hua QIAO Wei-qiu CHEN; Project supported by the National Natural Science Foundation of China (No. 10725210);the National Basic Research Program (973) of China (No. 2009CB623200); The Arlequin framework proposed by Ben Dhia in 1998 is a flexible and robust method for conducting global/local analysis of structures and materials.A penalty version of the Arlequin framework for the study of structu...; 关键词：Global/Local analysis Geometric nonlinear analysis Penalty-based Arlequin method User defined element

TM-JCM法分析FRP-梁界面应力被引量：1: 《低温建筑技术》2011年第4期42-44,共3页刘承徐荣桥; 国家自然科学基金资助项目(10725210);中央高校基本科研业务费专项资金资助(2009QNA4022); 基于经典梁理论并忽略外贴FRP的抗弯刚度,导出了FRP粘结加固梁的状态方程和传递矩阵。但是由于FRP与混凝土梁的横截面刚度相差太大,导致传统的传递矩阵法(Transfer Matrix Method,TMM)存在比较严重的数值稳定问题。为此,本文在传统的TM...; 关键词：FRP 状态方程 TMM JCM 粘结剪应力

Fast multipole boundary element analysis of 2D viscoelastic composites with imperfect interfaces被引量：7: 《Science China(Technological Sciences)》2010年第8期2160-2171,共12页ZHU XingYi CHEN WeiQiu HUANG ZhiYi LIU YiJun; supported by the National Natural Science Foundation of China(Grant No.10725210);the National Basic Research Program of China(Grant No.2009CB623200); A fast multipole boundary element method(FMBEM)is developed for the analysis of 2D linear viscoelastic composites with imperfect viscoelastic interfaces.The transformed fast multipole formulations are established usin...; 关键词：boundary element method fast multipole method VISCOELASTICITY imperfect interface multi-inclusion composite

Error estimate of the homogenization solution for elliptic problems with small periodic coefficients on L~∞(Ω)被引量：4: 《Science China Mathematics》2010年第5期194-215,共22页HE WenMing1,2 & CUI JunZhi3 1Department of Mathematics,Wenzhou University,Wenzhou 325035,China 2School of Aeronautics and Astronautics,Zhejiang University,Hangzhou 310027,China 3LSEC,ICMSEC,Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China; supported by National Natural Science Foundation of China (Grant Nos.60971121,10590353,90916027,10725210);Major State Basic Research Development Program of China (973Program) (Grant No.2010CB832702);the State Key Laboratory of Science and Engineering Computing,Natural Science Foundation of Zhejiang Province,China (Grant No.Y6090108);Postdoctoral Science Foundation of China (Grant No.20090451454); In this paper,we discuss the multi-scale homogenization theory for the second order elliptic problems with small periodic coefficients of the form xi(aij(xε) uεx(jx)) = f(x).Assuming n = 2 and u0 ∈ W 1,∞(Ω),we pr...; 关键词：MULTI-SCALE HOMOGENIZATION theory HOMOGENIZATION SOLUTION second order ELLIPTIC equations with SMALL periodic coeficients

Modeling of multi-inclusion composites with interfacial imperfections:Micromechanical and numerical simulations被引量：8: 《Science China(Technological Sciences)》2010年第3期720-730,共11页CHEN WeiQiu 1,ZHU XingYi 2 &HUANG ZhiYi 2 1 Department of Engineering Mechanics,Yuquan Campus,Zhejiang University,Hangzhou 310027,China 2 Key Laboratory of Soft Soils and Geoenvironmental Engineering,Ministry of Education Department of Civil Engineering,Zijingang Campus,Zhejiang University,Hangzhou 310058,China; supported by the National Natural Science Foundation of China(Grant No.10725210);the National Basic Research Program of China("973"Project)(Grant No.2009CB623200); A micromechanical approach based on a two-layer built-in model and a numerical simulation based on boundary element method are proposed to predict the effective properties of the multi-inclusion composite with imperfe...; 关键词：MICROMECHANICS boundary element method interface multi-inclusion composite effective elastic property

层合压电结构中的导波被引量：1: 《中国科学（G辑）》2009年第7期1018-1028,共11页郭永强陈伟球张永亮; 国家自然科学基金(批准号:10725210和10832009);高等学校博士学科点专项科研基金(编号:20060335107);国家基础研究发展计划(编号:2009CB623204);兰州大学萃英人才科研启动基金资助项目; 基于状态空间列式和平面波展开技术,提出求解层合压电结构中导波传播的回传射线矩阵法一般列式.假定各层介质都是任意各向异性压电材料,从三维线性压电理论出发推导其状态方程,可考虑所有的波动模态.按照回传射线矩阵法的基本原理,分别...; 关键词：层合压电结构回传射线矩阵法导波弥散特性

Free axisymmetric vibration of FGM circular plates: 《Applied Mathematics and Mechanics(English Edition)》2009年第9期1077-1082,共6页王云徐荣桥丁皓江; supported by the National Natural Science Foundation of China (Nos. 10872180 and10725210); Based on the three-dimensional theory, this work presents a direct displacement method to investigate the free axisymmetric vibration of transversely isotropic circular plates, whose material is functionally graded an...; 关键词：functionally graded material （FGM） circular plate free vibration AXISYMMETRY

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