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期刊单位阶跃函数在梁影响线计算中应用
《吉林建筑工程学院学报》1995年第1期21-24,共4页尹德生 
本文应用单位阶跃函数提出一种计算静定梁内力及挠度影响线的方法.这种算法得到的是影响线的一般表达式,因而比传统的静力法和机动法具有明显的优越性.
关键词: 单位阶跃函数 影响线 
期刊Synthetic optical vortex beams from the analogous trajectory change of an artificial satellite
《光子学研究:英文版》2019年第9期1101-1105,共5页HAIPING WANG LIQIN TANG JINA MA XIUYAN ZHENG DAOHONG SONG YI HU YIGANG LI ZHIGANG CHEN 
National Key R&D Program of China(2017YFA0303800);National Natural Science Foundation of China(11674180,91750204);PCSIRT(IRT_13R29);Higher Education Discipline Innovation Project(B07013)
We propose a method to generate specially shaped high-order singular beams of pre-designed intensity distributions. Such a method does not a priori assume a phase formula, but rather relies on the 'cake-cutting an...显示全部
关键词:SOV SLM SYNTHETIC optical vortex beams from the analogous TRAJECTORY CHANGE of AN artificial satellite 
期刊Full vectorial feature of second-harmonic generation with full Poincaré beams
《中国光学快报:英文版》2019年第9期78-82,共5页张莉 林飞 邱晓东 陈理想 
supported by the National Natural Science Foundation of China(Nos.91636109,11604050,and 61875242);the Fundamental Research Funds for the Central Universities at Xiamen University(No.20720190057);the Natural Science Foundation of Fujian Province of China for Distinguished Young Scientists(No.2015J06002);the Program for New Century Excellent Talents in University of China(No.NCET-13-0495);the Science and Technology Planning Project of Guangdong Province(No.2016B010113004)
We demonstrate the full vectorial feature of second-harmonic generation(SHG), i.e., from infrared full Poincaré beams to visible full Poincaré beams, based on two cascading type I phase-matching beta barium ...显示全部
关键词:Full vectorial FEATURE second-harmonic GENERATION full POINCARE beams 
期刊Sub-shot-noise measurement for slight absorption
《中国科学:数学英文版》1998年第5期534-540,共7页王海 潘庆 张云 薛晨阳 谢常德 彭堃墀 
theNationalNaturalScienceFoundationofChina (GrantNo .6 94 380 10 ) ;theScienceFoundationofShanxiProvince;theScienceFoundationofShanxiProvincefortheScientistsComingBackfromOverseas
Sub\|shot\|noise measurement for slight absorption is experimentally achieved with the twin beams of quantum correlation. The improvement in signal\|to\|noise ratio of 2.5 dB relative to the SNL is obtained. The exper...显示全部
关键词:TWIN beams shot\|noise LIMIT PHOTOCURRENT FLUCTUATIONS signal\|to\|noise ratio 
期刊再生混凝土梁截面碳化深度分布的计算分析被引量:3
《南昌大学学报:理科版》2015年第4期359-362,367,共5页雷斌 饶春华 扶名福 晏育松 
国家自然科学基金资助项目(51178340);江西省青年科学基金资助项目(20151BAB206057);江西省教育厅科技计划资助项目(GJJ14124)
首先,将裂缝弥散化并将裂缝的影响耦合到再生混凝土中CO_2的扩散系数中,基于Fick定律建立受力状态下再生混凝土中CO_2扩散方程,根据质量守恒定律,推导出考虑应力状态影响时再生混凝土中CO_2的传质方程;然后,通过加速碳化试验,确定了传...显示全部
关键词:再生混凝土  碳化深度 应力状态 传质方程 有限元 
期刊转换梁荷载局部作用于楼面的施工力学分析
《施工技术》2014年第18期44-47,共4页叶兴华 翟新龙 钱晶 赵济生 宋妍 
高层建筑转换梁质量通常在百吨以上,施工时搭设模板支撑十分困难。引入等效均布活荷载概念,通过有限元法计算双向板在受到转换梁模板支撑的局部荷载时的绝对最大弯矩;按照《建筑结构荷载规范》GB50009—2012计算荷载有效分布宽度,并计...显示全部
关键词: 转换梁 荷载 等效均布活荷载 施工力学 
期刊FE Modeling and Analysis of Isotropic and Orthotropic beams Using First Order Shear Deformation Theory
《材料科学与应用期刊(英文)》2013年第1期77-102,共26页M. Adnan Elshafei 
In the present work, a finite element model is developed to analyze the response of isotropic and orthotropic beams, a common structural element for aeronautics and astronautic applications. The assumed field displace...显示全部
关键词:Finite Element Method TIMOSHENKO beam Theory Composite Materials MECHANICS STATIC and Dynamic Analysis of beams 
期刊Super-resolution longitudinally polarized light needle achieved by tightly focusing radially polarized beams被引量:2
《光电子快报:英文版》2018年第1期1-5,共5页史长坤 聂仲泉 田彦婷 刘超 赵永创 贾宝华 
supported by the National Natural Science Foundation of China(Nos.61575139,61605136,51602213 and 11604236);the Youth Foundation of the Taiyuan University of Technology(No.2015QN066)
Based on the vector diffraction theory, a super-resolution longitudinally polarized optical needle with ultra-long depth of focus(DOF) is generated by tightly focusing a radially polarized beam that is modulated by a ...显示全部
关键词:Super-resolution longitudinally polarized light needle achieved by tightly focusing radially polarized beams THF PSO 
期刊Serviceability Analysis of Non-Prismatic Timber beams: Derivation and Validation of New and Effective Straightforward Formulas
《土木工程期刊(英文)》2017年第1期32-62,共31页Giuseppe Balduzzi Georg Hochreiner Josef Füssl Ferdinando Auricchio 
This paper provides innovative and effective instruments for the simplified analysis of serviceability limit states for pitched, kinked, and tapered GLT beams. Specifically, formulas for the evaluation of maximal hori...显示全部
关键词:SERVICEABILITY ANALYSIS Non-Prismatic Timber beams Tapered beams Pitched beams Maximal Displacements 
期刊Bending Solutions of FGM Reddy-Bickford beams in Terms of Those of the Homogenous Euler-Bernoulli beams
《固体力学学报:英文版》2019年第4期499-516,共18页You-Ming Xia Shi-Rong Li Ze-Qing Wan 
supported by the National Natural Science Foundation of China with Grant Numbers 11272278 and 11672260.The authors gratefully acknowledge the financial supports.
In this paper, correspondence relations between the solutions of the static bending of functionally graded material (FGM) Reddy-Bickford beams (RBBs) and those of the corresponding homogenous Euler-Bernoulli beams are...显示全部
关键词:Functionally graded material beams Reddy-Bickford beam THEORY Euler- Bernoulli beam THEORY BENDING solution Shear deformation 
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