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杨东全

土木建筑工程学院

职称:教授

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作者:杨东全 (海南大学土木工程系  海南海口  (570228))

出处:暨南大学学报(自然科学与医学版) 2005

关键词:钻柱;下部钻具组合;接触非线性;几何非线性;钻头侧向力

摘要:描述石油钻柱静态变形的有限元方法. 在对钻柱运动进行基本假设的基础上,描述对钻柱进行有限元分析的基本过程,包括考虑几何非线性的势能函数、单元刚度矩阵和外载荷的计算公式、坐标变换等. 在有限元方程的求解方面,讨论接触非线性和钻柱大变形问题的迭代处理方法. 最后,应用有限元程序的计算结果,分析钻柱在钻头 ...

被引情况:超星被引 12 次
[外文期刊] Research of the Isolation of E. coli in Broilers and Drug Susceptibility Testing

作者:Yang, RZ (Yang, Rongzhou);Ren, L (Ren, Lei) (;[ 1 ] Hainan Univ, Coll Agr, Haikou 570228, Hainan, Peoples R China)

出处:PROCEEDINGS OF 2014 2ND INTERNATIONAL CONFERENCE IN HUMANITIES, SOCIAL SCIENCES AND GLOBAL BUSINESS MANAGEMENT (ISSGBM 2014), VOL 25 2014

关键词:Broiler Susceptibility testing Isolation and identification of pathogenic E. coli

摘要:E. coli disease in broilers epidemiological survey conducted this test for higher mortality chicken clinical examination, inspection and disease patho ...

作者:Yang, DL (Yang, De-Lan);Wang, H (Wang, Hao);Guo, ZK (Guo, Zhi-Kai);Li, W (Li, Wei);Mei, WL (Mei, Wen-Li);Dai, HF (Dai, Hao-Fu) (;[ 1 ] Hainan Univ, Hort & Garden Coll, Haikou 570228, Peoples R China [ 2 ] Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Key Lab Biol & Genet Resources Trop Crops, Minist Agr, Beijing, Peoples R China)

出处:Phytochemistry Letters 2014

关键词:Qi-Nan;Agarwood;Aquilaria sinensis;Sesquiterpene;AChE inhibitory activities

作者:杨东全 (海南大学土木工程系  海南海口  (570228))

出处:暨南大学学报(自然科学与医学版) 2005

关键词:钻柱有限元法;钻柱有限差分法;钻头侧向力

摘要:简要分析了用有限元法和有限差分法计算下部钻具组合的理论. 根据计算机程序给出二者在计算钻头侧向力时的结果. 验证了两种算法的正确性.

作者:杨东全 (海南大学土木工程系  海南海口)

出处:华南理工大学学报(自然科学版) 2003

关键词:下部钻具组合;有限差分法;接触非线性;钻柱弹性线;钻头侧向力

摘要:讨论了下部钻具组合分析的基本假设、基本方程和相应的边界条件.建立了求解下部钻具组合控制方程的有限差分方程,编制了相应的计算机程序.给出了钻柱和井壁的接触问题、稳定器问题和上切点问题的处理方法.通过计算结果,分析了降斜、增斜和稳斜三种典型钻具组合的钻头侧向力与钻压、井斜角、井斜曲率和方位曲率的关系,以 ...

被引情况:超星被引 5 次

作者:Yang, WL (Yang, Wenlong) (;[ 1 ] Hainan Univ, Coll Civil Engn & Architecture, Haikou 570228, Hainan, Peoples R China)

出处:FRONTIERS OF GREEN BUILDING, MATERIALS AND CIVIL ENGINEERING III, PTS 1-3 2013

关键词:retaining wall;active earth pressure;cohesive soil;uniform load

摘要:Based on the coulomb\'s earth pressure theory hypothesis, considering the condition of static equilibrium of the force when the slide wedge was in lim ...

作者:杨东全,蒲文国 (海南大学土木建筑工程学院 海南海口570228;海南大学土木建筑工程学院硕士研究生 海南海口570228)

出处:山西建筑 2011

关键词:大转动;梁单元;大变形本构方程;非线性有限元

摘要:描述了有限元方法分析梁和框架结构的几何非线性问题,考虑大转动的影响,在有限转动公式的级数展开式中,取二阶近似,从而形成线性刚度矩阵和几何刚度矩阵,推导了大变形情况下梁的本构方程,算例表明:对于较复杂的几何非线性问题,本文提出的方法是有效的。

被引情况:超星被引 3 次

作者:Yang, JS (Yang, Jinsong);Yang, R (Yang, Rui);Tan, HS (Tan, Haisheng) (;[ 1 ] Hainan Univ, Haikou 570228, Hainan, Peoples R China)

出处:AUTOMATION EQUIPMENT AND SYSTEMS, PTS 1-4 2012

关键词:Astaxanthin;inclusion complex;inclusion rate

摘要:Taking beta-cyclotextrin and gelatin as wall materials, study of inclusion was processed on astaxanthin. It was shown in the study that beta-cyclotext ...

作者:Yang, JX (Yang Jian-Xin);Wang, XH (Wang Xiang-Hui) (;[ 1 ] Hainan Univ, Coll Mat & Chem Engn, Haikou 570228, Peoples R China)

出处:Advanced Materials Research 2012

关键词:1,8-Naphthalimide;Benzofuran;Electroluminescent Properties;Fluorescence Properties;Synthesis

摘要:A series of fluorescence compounds, 4-benzofuranyl-1,8-naphthalimides, were prepared through cycloaddition reaction from 4-ethynyl-1,8-naphthalimides ...

作者:Yang, L (Yang, Lin);Pan, YX (Pan, Yuxia) (;[ 1 ] Hainan Univ, Sanya Coll, Sanya 572022, Hainan, Peoples R China)

出处:Advanced Materials Research 2012

关键词:Local Search;Lot-Streaming No-Wait Flow Shop Scheduling Problem;Particle Swarm Optimization Algorithm

摘要:This paper proposed discrete particle swarm optimization(DPSO) algorithm to solve lot-streaming no-wait flow shop scheduling problem(LNFSP) with the o ...