国家自然科学基金(50879024)

作品数：42被引量：263H指数：10
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相关机构：河海大学江苏省水利科学研究所长江科学院国家工程研究中心更多>>
相关期刊：《Chinese Journal of Chemical Engineering》《中国科学：技术科学》《Science China(Technological Sciences)》《三峡大学学报（自然科学版）》更多>>
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基于扩展有限元的非对称四点梁复合型开裂分析被引量：3
《水电能源科学》2013年第2期129-132,共4页戚颖 郑东健 刘杨 
国家自然科学基金资助项目(50879024)
针对裂纹在三维实体中沿曲线或曲折路径扩展问题,应用三维扩展有限元的基本原理,结合ABAQUS有限元分析软件和粘聚裂缝模型,对混凝土梁在荷载作用下的复合型开裂过程进行了数值模拟分析。模拟结果与试验资料对比分析结果表明,基于扩展有...
关键词：扩展有限元 混凝土梁 三维裂缝扩展 复合型开裂 数值分析 
水工建筑物安全监测布置优化方法研究被引量：4
《水力发电学报》2012年第5期236-240,共5页郑东健 远近 
国家自然科学基金(50879024);水利部公益性行业科研专项(201101013);河海大学水文水资源与水利工程科学国家重点实验室专项基金(2010585212)
如何用最少的测点反映水工建筑物的工作性态,是水工建筑物安全监测设计研究的难点。本文以水工建筑物有限元计算成果为依据,形成水工建筑物安全监测量的空间分布样本,通过聚类和主成分析,提取样本空间分布特征并对数据样本进行空间分块...
关键词：水工结构 测点布置优化 曲面建模 安全监测 
基于XFEM的拱坝裂缝变形监控混合模型被引量：7
《中国科学：技术科学》2012年第2期213-219,共7页郑东健 霍中艳 李波 
国家自然科学基金(批准号:50879024,50909041);河海大学水文水资源与水利工程科学国家重点实验室专项基金(批准号:2009586012,2010585212);中央高校基本科研业务费项目(批准号:2009B08514,2010B20414)资助
鉴于扩展有限元可以快速建立不同扩展情况下的裂缝变形测点监控混合模型,不需要进行不连续面局部网格重划分,因此,本文利用基于黏聚性裂缝模型并考虑裂尖加强的扩展有限元法模拟裂缝的扩展过程,建立了混凝土拱坝黏聚裂缝的断裂模型,通...
关键词：扩展有限元 黏聚性裂缝 混凝土拱坝 混合模型 
Ill-conditioned problems of dam safety monitoring models and their processing methods被引量：1
《Science China(Technological Sciences)》2011年第12期3275-3280,共6页GU ChongShi WANG YaChao PENG Yan XU BaoSon 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, 50879024, 51139001);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03, 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2009586912, 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B01414, 2010B14114);China Hydropower Engineering Consulting Group Co. Science and Technology Support Project (Grant No. CHC-KJ-2007-02);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);the Graduate Innovation Program of Universities in Jiangsu Province (Grant No. CX09B_163Z);the Science Foundation for the Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023)
The focus of this paper is the ill-conditioned problems in the dam safety monitoring model. The reasons to give rise to the ill-conditioned problems in statistical models,deterministic models and hybrid models are ana...
关键词：dam safety monitoring model ILL-CONDITIONED processing method 
Abnormality monitoring model of cracks in concrete dams被引量：9
《Science China(Technological Sciences)》2011年第7期1914-1922,共9页BAO TengFei QIN Dong ZHOU XiWu WU GuiFen 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, 50879024);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03, 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2009586912, 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B01414, 2010B14114);China Hydropower Engineering Consulting Group Co. Science and Technology Support Project (Grant No. CHC-KJ-2007-02);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);Graduate Innovation Program of Universities in Jiangsu Province (Grant No. CX09B_163Z);Science Foundation for The Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023)
The abnormality monitoring model (AMM) of cracks in concrete dams is established through integrating safety monitoring theories with abnormality diagnosis methods of cracks. In addition, emphasis is placed on the infl...
关键词：concrete dam cracks abnormality monitoring model a linear hypothesis abnormality diagnosis particle swarm optimization method 
Abnormality diagnosis of cracks in the concrete dam based on dynamical structure mutation被引量：18
《Science China(Technological Sciences)》2011年第7期1930-1939,共10页GU ChongShi LI ZhanChao XU Bo 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, 50879024);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03, 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B14114);China Hydropower Engineering Consulting Group Co. Science and Technology Support Project (Grant No. CHC-KJ-2007-02);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);the Natural Science Foundation of Hohai University (Grant No. 2008426811);Graduate Innovation Program of Universities in Jiangsu Province (Grant No. CX09B_163Z);the Science Foundation for The Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023);Dominant Discipline Construction Program Funded Projects of Universities in Jiangsu Province
A method of the fuzzy cross-correlation factor exponent in dynamics is researched and proposed to diagnose abnormality of cracks in the concrete dam. Moreover, the Logistic time series changing from period-doubling bi...
关键词：dynamical structure mutation cracks in the concrete dam method of the fuzzy cross-correlation factor exponent indynamics abnormality diagnosis of cracks 
Pretreatment of Isopropanol Solution from Pharmaceutical Industry and Pervaporation Dehydration by NaA Zeolite Membranes被引量：14
《Chinese Journal of Chemical Engineering》2011年第6期904-910,共7页余从立 刘艳梅 陈纲领 顾学红 邢卫红 
Supported by the National t）asic Research Program of China （2009CB623403）, the National High Technology Research and De velopment Program of China （2009AA034802）, the National Natural Science Foundation of China （20706030, U0834004）, the Science ＆ Technology Support Program （Industry） of Jiangsu Province of China （BE2008141）, the Natural Science Foundation of the Jiangsu Higher Education Institutions （09KJA530002） and 333 High-Level Personnel Training Project in Jiangsu Province. ＊＊ To whom correspondence should be addressed. E-mail： Xuehonggu@yahoo.com
NaA zeolite membranes with 80 cm in length and 12.8 mm in outer diameter were prepared by our research group cooperating with Nanjing Jiusi Hi-Tech Co., China. The influence of dissolved inorganic salts and pH value i...
关键词：NaA zeolite membrane ISOPROPANOL DEHYDRATION PERVAPORATION 
Singular value diagnosis in dam safety monitoring effect values被引量：8
《Science China(Technological Sciences)》2011年第5期1169-1176,共8页GU ChongShi ZHAO ErFeng JIN Yi SU HuaiZhi 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, and 50879024);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03and 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2009586912, and 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B01414, and 2010B14114);the China Hydropower Engineering Consulting Group Co. Science and Technology Support Pro-ject (Grant No. CHC-KJ-2007-02);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);Graduate Innovation Program of Universities in Jiangsu Province (Grant No. CX09B_ 163Z);Dominant Discipline Construction Program Funded Projects of University in Jiangsu Provine;Science Foundation for the Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023)
Based on the principal component analysis, principal components that have major influence on data variance are determined by the energy percentage method according to the correlation between monitoring effects. Then p...
关键词：dam safety monitoring EFFECT singular value diagnosis principal component analysis optimal estimation 
Commentary of research situation and innovation frontier in hydro-structure engineering science被引量：15
《Science China(Technological Sciences)》2011年第4期767-780,共14页WU ZhongRu PENG Yan LI ZhanChao LI Bo YU Hong ZHENG ShouRen 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, 50879024);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03, 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B14114);China Hydropower Engineering Consulting Group Co. Science and Technology Support Project (Grant No. CHC-KJ-2007-02);Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);the Natural Science Foundation of Hohai University (Grant No. 2008426811);Graduate Innovation Program of Universities in Jiangsu Province (CX09B_163Z);Science Foundation for The Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023)
In order to utilize water and hydropower resources in China,multitudes of water projects are established or to be constructed as an integral part of the national economy's infrastructure.Under these circumstances,ther...
关键词：hydro-structure engineering science research situation innovation frontier stress analysis ultimate bearing capacity NONLINEARITY COMMENTARY 
Hybrid method of limit equilibrium and finite element internal force for analysis of arch dam stability against sliding被引量：6
《Science China(Technological Sciences)》2011年第4期793-798,共6页BAO TengFei1,2,3,XU BaoSong1,2,3 & ZHENG XueQing1,2,3 1State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering,Hohai University,Nanjing 210098,China 2National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety,Nanjing 210098,China 3College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing 210098,China 
supported by the National Natural Science Foundation of China (Grant Nos. 51079046, 50909041, 50809025, and 50879024);the National Science and Technology Support Plan (Grant Nos. 2008BAB29B03 and 2008BAB29B06);the Special Fund of State Key Laboratory of China (Grant Nos. 2009586012, 2009586912, and 2010585212);the Fundamental Research Funds for the Central Universities (Grant Nos. 2009B08514, 2010B20414, 2010B01414, and 2010B14114);the China Hydropower Engineering Consulting Group Co. Science and Technology Support Project (Grant No. CHC-KJ-2007-02);the Jiangsu Province "333 High-Level Personnel Training Project" (Grant No. 2017-B08037);the Graduate Innovation Program of Universities in Jiangsu Province (Grant No. CX09B_163Z);the Science Foundation for the Excellent Youth Scholars of Ministry of Education of China (Grant No. 20070294023)
A hybrid method of limit equilibrium and finite element internal force for analysis of arch dam stability against sliding is presented.The finite element internal force method(FEIFM) is used to provide more accurate t...
关键词：arch dam stability against sliding limit equilibrium method finite element internal force method 
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