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检索条件"主题词=numerical algorithms"
1088 条 记 录,以下是461-470 订阅
排序:
Robust Rendezvous Planning Under Maneuver Execution Errors
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2015年 第1期38卷 76-93页
作者: Louembet, Christophe Arzelier, Denis Deaconu, Georgia CNRS Lab Anal & Architectures Syst F-31400 Toulouse France
The problem of designing a rendezvous guidance maneuver plan robust to thrusting errors is addressed in this paper. The aim of this paper is to develop tractable and robust guidance algorithms. Solving the rendezvous ... 详细信息
来源: 评论
Solid-solid phase transition modelling: relaxation procedures, configurational energies and thermomechanical behaviours
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE 1999年 第14期37卷 1821-1840页
作者: Pagano, S Alart, P Univ Montpellier 2 Mech & Civil Engn Lab F-34095 Montpellier 5 France
The behaviour of materials involving Solid-solid phase transitions may be modelled by more or less smooth laws. The corresponding physical basis and microscopic mechanisms are still in most cases controversial and out... 详细信息
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Teaching module for laminar and turbulent forced convection on a flat plate
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COMPUTER APPLICATIONS IN ENGINEERING EDUCATION 1998年 第2期6卷 115-125页
作者: Ribando, RJ Coyne, KA O'Leary, GW Univ Virginia Sch Engn & Appl Sci Dept Mech Aerosp & Nucl Engn Charlottesville VA 22903 USA
This article describes a PC-based teaching module for the classical problem of forced convection over a heated flat plate. The transformed boundary layer equations for an incompressible fluid are solved using a finite... 详细信息
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Computational study of vibrationally relaxing gas past blunt body in hypersonic flows
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JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER 2000年 第1期14卷 18-26页
作者: Josyula, E USAF Res Lab Air Vehicles Directorate Wright Patterson AFB OH 45433 USA
numerical simulations are presented of a steady-state, hypersonic Row over a two-dimensional cylinder of 1 m radius under conditions where the relaxation of the vibrational modes is significant. A Mach 6.5 nitrogen fl... 详细信息
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An atomistically informed kinetic Monte Carlo model of grain boundary motion coupled to shear deformation
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INTERNATIONAL JOURNAL OF PLASTICITY 2015年 68卷 98-110页
作者: Prieto-Depedro, M. Martin-Bragado, I. Segurado, J. IMDEA Mat Inst Madrid Spain Tech Univ Madrid Madrid Spain
The shear coupled motion of grain boundaries (GBs) is modelled by using two different atomistic simulation techniques: molecular dynamics (MD) and kinetic Monte Carlo (KMC). MD simulations are conducted to identify th... 详细信息
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Glide mobility of the 1/2[1101(001) edge dislocation in UO2 from molecular dynamics simulation
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INTERNATIONAL JOURNAL OF PLASTICITY 2017年 89卷 85-95页
作者: Lunev, A. V. Kuksin, A. Yu. Starikov, S. V. Russian Acad Sci Joint Inst High Temp 13 Bld 2Izhorskaya St Moscow 125412 Russia Moscow Inst Phys & Technol Moscow 141700 Russia
Both the mechanical properties of oxide nuclear fuel and the high burn-up grain restructuring are known to be related to dislocation motion. Previous studies show that at temperatures above 1000 K slip on 001) crystal... 详细信息
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A general methodology for investigating flow instabilities in complex geometries:: application to natural convection in enclosures
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INTERNATIONAL JOURNAL FOR numerical METHODS IN FLUIDS 2001年 第2期37卷 175-208页
作者: Gadoin, E Le Quéré, P Daube, O CNRS LIMSI F-91403 Orsay France CEMIF Evry France
This paper presents a general methodology for studying instabilities of natural convection flows enclosed in cavities of complex geometry. Different tools have been developed, consisting of time integration of the uns... 详细信息
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On a finite strain viscoplastic theory based on a new internal dissipation inequality
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INTERNATIONAL JOURNAL OF PLASTICITY 2004年 第7期20卷 1281-1311页
作者: Lin, RC Brocks, W GKSS Forschungszentrum Geesthacht GmbH Inst Mat Res D-21502 Geesthacht Germany
This work is focused on the theoretical development and numerical implementation of a viscoplastic law. According to the second law of thermodynamics a dissipation inequality described in the rotated material coordina... 详细信息
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Tour planning for an unmanned air vehicle under wind conditions
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2007年 第5期30卷 1299-1306页
作者: McNeely, Rachelle L. Iyer, Ram V. Chandler, Phillip R. Texas Tech Univ Dept Math & Stat Lubbock TX 79409 USA USAF Res Lab Wright Patterson AFB Wright Patterson AFB OH 45433 USA
A very important subproblem in the task assignment problem for unmanned air vehicles is the evaluation of costs for the state transitions of a directed graph. Usually a Dubins vehicle flying in the absence of wind is ... 详细信息
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Torsion and bending periodic boundary conditions for modeling the intrinsic strength of nanowires
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JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS 2008年 第11期56卷 3242-3258页
作者: Cai, Wei Fong, William Eisen, Erich Weinberger, Christopher R. Stanford Univ Dept Mech Engn Stanford CA 94305 USA
We present a unified approach for atomistic modeling of torsion and bending of nanowires that is free from artificial end effects. Torsional and bending periodic boundary conditions (t-PBC and b-PBC) are formulated by... 详细信息
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