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检索条件"作者=Raphael T.HAFTKA"
35 条 记 录,以下是1-10 订阅
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A cost driven predictive maintenance policy for structural airframe maintenance
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Chinese Journal of Aeronautics 2017年 第3期30卷 1242-1257页
作者: Yiwei WANG Christian GOGU Nicolas BINAUD Christian BES raphael t.haftka Nam H.KIM Universite de toulouse INSA/UPS/ISAE/Mines Albi ICA UMR CNRS 5312 Toulouse 31400 Frallce Department of Mechanical & Aerospace Engineering University of Florida Gainesville 32611 USA
Airframe maintenance is traditionally performed at scheduled maintenance *** decision to repair a fuselage panel is based on a fixed crack size threshold,which allows to ensure the aircraft safety until the next sched... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Maximization of Continuity of Complex Composite Structures by Permutation Genetic Algorithms
Maximization of Continuity of Complex Composite Structures b...
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the Fourth World Congress of Structural and Multidisciplinary Optimization
作者: raphael t.haftka Department of Aerospace Engineering Mechanics and Engineering Science University of Florida GainesvilleFL 32611-6250
<正>In this paper, one of important manufacturing constraints -continuity constraint between two adjacent composite laminates is introduced. tradeoff study between weight and continuity is discussed. Permutation gen... 详细信息
来源: cnki会议 评论
Structural Optimization Using Biological Variables to Understand How Bones Design Holes
Structural Optimization Using Biological Variables to Unders...
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the Fourth World Congress of Structural and Multidisciplinary Optimization
作者: Satchi Venkataraman raphael t.haftka Andrew J.Rapoff AeroChem Corporation Box 90087 Gainesville FL 32607 University of Florida Department of Aerospace Engineering Mechanics and Engineering Science Box 116250 Gainesville FL 32611-6250 USA University of Florida Department of Aerospace Engineering Mechanics and Engineering Science Box 116250 Gainesville FL 32611-6250 USA
<正>Bones do not normally fracture near blood vessel holes. this in part may be related to profiles of porosity, mineralization, and histologic architecture (defined later) near the holes, as these parameters are ... 详细信息
来源: cnki会议 评论
敞车侧壁的优化设计
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智慧轨道交通 1984年 第2期 25-31页
作者: Rapheal t.haftka 阳波
本文叙述了通用优化程序PARS在90.7吨高边敞车侧壁设计中的应用。PARS(Program for Analysis and Resizing of Strucfures)结构分析和反复修改尺寸直到满足要求程序与SPAR有限元程序是姐妹程序,它用来优化建立起有限元模型的结构。对于... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Second-generation trabecular micro-bypass stent implantation: Retrospective analysis after 12- and 24-month follow-up
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Eye and Vision 2020年 第1期7卷 1-10页
作者: raphael Neuhann tobias Neuhann Neuhann Augentagesklinik MarienplatzMarienplatz 18-1980331 MunichGermany
Background:the study aimed to investigate the 24-month safety and efficacy of implantation of two secondgeneration iStent inject trabecular micro-bypass stents with concomitant cataract ***:this consecutive case serie... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
A New Family of High Order Unstructured MOOD and ADER Finite Volume Schemes for Multidimensional Systems of Hyperbolic Conservation Laws
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Communications in Computational Physics 2014年 第8期16卷 718-763页
作者: raphael Loubere Michael Dumbser Steven Diot CNRS and Institut de Mathematiques de toulouse(IMt)Universite Paul-Sabatier ToulouseFrance Department of Civil Environmental and Mechanical EngineeringUniversity of TrentoVia Mesiano77-38123 TrentoItaly Fluid Dynamics and Solid Mechanics(t-3) Los Alamos National LaboratoryNM 87545 USA.
In this paper,we investigate the coupling of the Multi-dimensional Optimal Order Detection(MOOD)method and the Arbitrary high order DERivatives(ADER)approach in order to design a new high order accurate,robust and com... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Brevipedicelones D and E,two C-O-C Flavonoid Dimmers from the Leaves of Garcinia brevipedicellata and Anti-onchocercal Activity
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Natural Products and Bioprospecting 2019年 第1期9卷 61-68页
作者: Mirabel Akongwi Anastasie Etih Kennedy D.Nyongbela Moses Samje raphael t.Ghogomu Bernard Bodo Department of Organic Chemistry Faculty of ScienceUniversity of Yaounde 1P.O.Box 812YaoundeCameroon Pharmacochemistry Research Laboratory Department of ChemistryFaculty of ScienceUniversity of BueaP.O.Box 63BueaSouth West RegionCameroon Faculty of Science ANDI Centre of Excellence on Onchocerciasis ResearchUniversity of BueaP.O.Box 63BueaSouth West RegionCameroon Laboratoire de Chimie des Substances Naturelles Muse´um National d’Histoire Naturelle63 Rue Buffon75005 ParisFrance
A novel isoflavone–chromone flavonoid C–O–C dimmer,brevipedicelone D(1),along with one new C–O–C biflavonoid derivative,brevipedicelone E(2),were isolated from the ethyl acetate extract of the leaves of Garcinia ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Polyacrylonitrile Nanofber‑Reinforced Flexible Single‑Ion Conducting Polymer Electrolyte for High‑Performance,Room‑temperature All‑Solid‑State Li‑Metal Batteries
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Advanced Fiber Materials 2022年 第3期4卷 532-546页
作者: Hui Cheng Chaoyi Yan raphael Orenstein Mahmut Dirican Shuzhen Wei Nakarin Subjalearndee Xiangwu Zhang Fiber and Polymer Science Program Department of Textile EngineeringChemistry and ScienceWilson College of TextilesNorth Carolina State UniversityRaleighNC 27695USA
Single-ion conducting polymer electrolytes(SIPEs)can be formed by anchoring charge delocalized anions on the side chains of a crosslinked polymer matrix,thereby eliminating the severe concentration polarization efect ... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An Evaluation Method for Automotive technical and Comprehensive Performance
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Automotive Innovation 2023年 第2期6卷 231-243页
作者: Mengfei Liu Xinyu Ouyang Ruikai Lu Zijun Hao raphael Blumenfeld Xin tang Gang Lei Hongwu Ouyang School of Mechanical and Electrical Engineering Central South UniversityChangsha 410083China State Key Laboratory of High‑Performance Complex Manufacturing Central South UniversityChangsha 410083China University of Sheffield Sheffield S102TNUK Cavendish Laboratory University of CambridgeCambridge CB21TNUK
An objective evaluation scheme for automotive technical and comprehensive performance could provide critical and instructive insights for academic research,engineering practice,and commercial marketing of *** this pap... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
颗粒物质内自旋小球运动行为的数值模拟研究
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物理学报 2018年 第1期67卷 165-171页
作者: 程琦 冉宪文 刘苹 汤文辉 raphael Blumenfeld 国防科学技术大学理学院工程物理研究所 长沙410073 剑桥大学卡文迪许实验室
针对大耳沙蜥在沙子中的运动行为,以球形物体为研究对象,利用3维离散元数值模拟程序LIGGGHtS模拟了旋转运动模式对颗粒物质中球形物体平动和上升/下降行为的影响,定量分析了旋转速度以及颗粒间摩擦系数等因素的具体影响.研究结果表明:... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论