云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(10632020)

国家自然科学基金(10632020): 作品数：38被引量：156H指数：8; 导出分析报告; 相关作者：何存富吴斌汪越胜赵寰宇魏瑞菊更多>>; 相关机构：北京交通大学北京工业大学太原科技大学河南科技大学更多>>; 相关期刊：《固体力学学报》《功能材料》《北京交通大学学报》《北京工业大学学报》更多>>; 相关主题：声子晶体平面波展开法带隙PIEZOELECTRIC二维声子晶体更多>>; 相关领域：理学一般工业技术建筑科学金属学及工艺更多>>

最优二维固/固声子晶体带隙特性研究被引量：7: 《固体力学学报》2015年第4期283-289,共7页刘宗发吴斌何存富; 国家自然科学基金项目(11132002和10632020)资助; 声子晶体是一种具有弹性波带隙特性的周期性复合材料,其带隙特性受单胞拓扑形状的影响.通过拓扑优化技术,能够突破传统设计方法的局限,实现对声子晶体的主动设计.论文基于遗传算法和改进的平面波展开法,通过两阶段的优化过程,得到具有...; 关键词：声子晶体带隙平面波展开法优化设计遗传算法

Band structure calculations of in-plane waves in two-dimensional phononic crystals based on generalized multipole technique: 《Applied Mathematics and Mechanics(English Edition)》2015年第5期557-580,共24页Zhijie SHI Yuesheng WANG Chuanzeng ZHANG; Project supported by the National Natural Science Foundation of China(No.10632020);the German Research Foundation(Nos.ZH 15/11-1 and ZH 15/16-1);the International Bureau of the German Federal Ministry of Education and Research(No.CHN 11/045);the National Basic Research Program of China(No.2010CB732104); A numerical method, the so-called multiple monopole（MMoP） method,based on the generalized multipole technique（GMT） is proposed to calculate the band structures of in-plane waves in two-dimensional phononic crystal...; 关键词：triangular validate impedance excitation collocation searching elliptical cylinders irreducible scattered

Band structure calculation of scalar waves in two-dimensional phononic crystals based on generalized multipole technique被引量：4: 《Applied Mathematics and Mechanics(English Edition)》2013年第9期1123-1144,共22页史志杰汪越胜张传增; supported by the National Natural Science Foundation of China(Nos.51178037 and10632020);the German Research Foundation(DFG)(Nos.ZH 15/11-1 and ZH 15/16-1);the International Bureau of the German Federal Ministry of Education and Research(BMBF)(No.CHN11/045);the National Basic Research Program of China(No.2010CB732104); A multiple monopole （or multipole） method based on the generalized mul- tipole technique （GMT） is proposed to calculate the band structures of scalar waves in two-dimensional phononic crystals which are composed o...; 关键词：phononic crystal generalized multipole technique multiple multipolemethod multiple monopole method band structure eigenvalue problem

二维正方晶格多点缺陷声子晶体实验研究被引量：18: 《物理学报》2013年第13期296-304,共9页赵寰宇何存富吴斌汪越胜; 中央高校基本科研业务费专项资金(批准号:2012JBM086);国家自然科学基金(批准号:10632020)资助的课题~~; 基于超声浸水透射技术,实验研究了有限尺寸二维正方晶格钢/水声子晶体多点缺陷模态性质.利用COMSOL Multiphysics软件建立该声子晶体有限元计算方法,求解了9×9超胞多点缺陷声子晶体能带结构,把缺陷局域模态频率与数值仿真和实验结果进...; 关键词：声子晶体多点缺陷实验研究有限元

类正方阿基米德格子声子晶体带隙稳定性实验研究被引量：3: 《人工晶体学报》2013年第5期891-895,共5页赵寰宇何存富吴斌李凤莲; 中央高校基本科研业务费专项资金(2012JBM086);国家自然科学基金(10632020); 基于平面波展开法和超声浸水透射技术,理论和实验研究了二维(32.4.3.4)格子钢/水声子晶体带隙性质。与正方晶格钢/水声子晶体相比,类正方(32.4.3.4)格子能够打开高频带隙,并进一步讨论了第一布里渊区Γ-X、Γ-M方向层厚和方向带隙稳定...; 关键词：(32 4 3 4)格子实验研究带隙稳定性声子晶体

Compression Deformation Mechanisms at the Nanoscale in Magnesium Single Crystal被引量：2: 《Acta Metallurgica Sinica(English Letters)》2013年第1期75-84,共10页Yafang GUO Xiaozhi TANG Yuesheng WANG Zhengdao WANG Sidney YIP; supported by the National Natural Science Foundation of China (Nos. 11072026 and 10632020);the Fundamental Research Funds for the Central Universities (No. 2009JBZ015); The dominant deformation mode at low temperatures for magnesium and its alloys is generally regarded to be twinning because of the hcp crystal structure. More recently, the phenomenon of a ＂loss＂ of the twins has be...; 关键词：MAGNESIUM Compression SLIP Molecular dynamics simulation

Elastic wave propagation and localization in band gap materials:a review被引量：5: 《Science China(Physics,Mechanics & Astronomy)》2012年第10期1734-1746,共13页LI FengMing WANG YiZe; supported by the National Natural Science Foundation of China (Grant Nos. 11002045,11172084,10632020 and 10672017); Band gap materials(i.e.phononic crystals) are the artificially periodic structures,which have the stop band characteristic for elastic waves.The elastic waves will be localized in phononic crystals with defects,which ...; 关键词：band gap materials stop band characteristics DEFECT LOCALIZATION

Bandgap calculation for mixed in-plane waves in 2D phononic crystals based on Dirichlet-to-Neumann map被引量：7: 《Acta Mechanica Sinica》2012年第4期1143-1153,共11页Ni Zhen Feng-Lian Li Yue-Sheng Wang Chuan-Zeng Zhang; supported by the National Natural Science Foundation of China(51178037,10632020);the 973 State Key Development Program for Basic Research of China(2010CB732104); In this paper, a method based on the Dirichlet- to-Neumann map is developed for bandgap calculation of mixed in-plane waves propagating in 2D phononic crystals with square and triangular lattices. The method expresses...; 关键词：Phononic crystal Band structure Cylindrical wave expansion Dirichlet-to-Neumann （DtN） map Bloch theorem

基于椭圆散射体的二维三角晶格声子晶体带隙: 《北京工业大学学报》2012年第8期1125-1129,共5页魏瑞菊吴斌张晓平赵寰宇何存富; 国家自然科学基金重点资助项目(10632020);山东省高等学校科技计划项目(J11LE08); 采用降低对称性改变带隙宽度及位置的思想,以椭圆柱体代替圆柱体构成二维三角晶格钢/空气声子晶体,利用平面波展开法计算其能带结构.结果表明,由于采用椭圆柱体降低了散射体的对称性,从而打开一条新的低频带隙,并且在一定的填充率范围...; 关键词：声子晶体带隙平面波展开法

Dynamical properties of nanotubes with nonlocal continuum theory: A review被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2012年第7期1210-1224,共15页WANG YiZe LI FengMing; supported by the National Natural Science Foundation of China (Grant Nos. 11002045, 11172084, 10632020 and 10672017); As the typical systems of nano structures, nanotubes can be widely applied in mechanical electronics, mechanical manufacture and other fields at nano scales. The superior dynamical properties of nanotubes have become ...; 关键词：nonlocal continuum theory dynamical properties nano scales MICROSTRUCTURES

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