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检索条件"主题词=solution algorithm"
198 条 记 录,以下是101-110 订阅
排序:
Modification of a helicopter inverse simulation to include an enhanced rotor model
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JOURNAL OF AIRCRAFT 2000年 第3期37卷 536-538页
作者: Doyle, SA Thomson, DG Univ Glasgow Dept Aerosp Engn Glasgow G12 8QQ Lanark Scotland
An individual blade rotor model has been developed at the University of Glasgow by Rutherford and Thomson (1997) for use in helicopter inverse simulation. In the context of helicopter flight dynamics, an inverse simul... 详细信息
来源: 评论
INTERACTIVE GRAPHICS FOR GEOMETRY GENERATION - A PROGRAM WITH A CONTEMPORARY DESIGN
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JOURNAL OF AIRCRAFT 1985年 第12期22卷 1054-1058页
作者: LABOZZETTA, WF COLE, PE Lockheed-Georgia Company Marietta Georgia
The aerodynamic design process is now strongly influenced by the application of advanced computational tools due mainly to recent advances in computer capabilities. Today’s aerodynamic analysis codes require large am... 详细信息
来源: 评论
PASSIVE VENTING SYSTEM FOR MODIFYING CAVITY FLOWFIELDS AT SUPERSONIC SPEEDS
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AIAA JOURNAL 1988年 第3期26卷 374-376页
作者: WILCOX, FJ NASA Langley Research Center Hampton Virginia
The drag of airfoils in transonic flow may be reduced through the use of a passive venting system that uses a porous plate for part of the airfoil upper surface with a vent chamber beneath the porous plate. This arran... 详细信息
来源: 评论
NONLINEAR RELAXATION QUASI-NEWTON algorithm FOR THE COMPRESSIBLE NAVIER-STOKES EQUATIONS
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AIAA JOURNAL 1993年 第1期31卷 57-60页
作者: EDWARDS, JR MCRAE, DS North Carolina State University Raleigh North Carolina 27695
An efficient implicit method for the computation of steady, two-dimensional compressible Navier-Stokes flowfields is presented. The discretization of the governing equations is hybrid in nature, with flux-vector split... 详细信息
来源: 评论
Unstructured method for flows past bodies in general three-dimensional relative motion
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AIAA JOURNAL 2001年 第2期39卷 219-224页
作者: Singh, KP Baysal, O Old Dominion Univ Dept Aerosp Engn Norfolk VA 23529 USA Old Dominion Univ Coll Engn & Technol Norfolk VA 23529 USA
A three-dimensional methodology was developed for unsteady flows past bodies that are in relative motion and where the trajectory of the motion was determined from the instantaneous aerodynamic field. This method coup... 详细信息
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Systematic Procedure for Taxi-Route Conformance Monitoring
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JOURNAL OF AIRCRAFT 2012年 第6期49卷 1953-1964页
作者: Zheng, Q. Maggie Zhao, Yiyuan J. Univ Minnesota Dept Aerosp Engn & Mech Minneapolis MN 55455 USA
A systematic procedure for the design and evaluation of a taxi-route conformance-monitoring system is presented. Specifically, two levels of solution algorithms are designed for two different granularities of a comple... 详细信息
来源: 评论
APPLICATION OF POPOV CONTROLLER SYNTHESIS TO BENCHMARK PROBLEMS WITH REAL PARAMETER UNCERTAINTY
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 1994年 第4期17卷 759-768页
作者: HOW, JP HADDAD, WM HALL, SR MIT SPACE ENGN RES CTRCAMBRIDGEMA 02139 MIT CAMBRIDGEMA 02139
A new approach to robust control design with real parameter uncertainty has been developed using the analysis criteria from absolute stability theory. Both time and frequency domain stability conditions have been inve... 详细信息
来源: 评论
Smooth Local Correlation-Based Transition Model for the Spalart-Allmaras Turbulence Model
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AIAA JOURNAL 2021年 第2期59卷 474-492页
作者: Piotrowski, Michael G. H. Zingg, David W. NASA Ames Res Ctr Moffett Field CA 94035 USA Univ Toronto Computat Aerodynam & Sustainable Aviat Inst Aerosp Studies Toronto ON M3H 5T6 Canada Univ Toronto NASA Computat Aerosci Branch Toronto ON Canada Univ Toronto Inst Aerosp Studies N York ON M3H 5T6 Canada
A smooth version of the gamma-R similar to e theta t local correlation-based transition model (LM2015) for the Spalart-Allmaras (SA) turbulence model is presented. The LM2015 model with helicity-based crossflow correl... 详细信息
来源: 评论
PARABOLIZED NAVIER-STOKES ANALYSIS OF DUCTED SUPERSONIC COMBUSTION PROBLEMS
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JOURNAL OF PROPULSION AND POWER 1987年 第5期3卷 455-464页
作者: SINHA, N DASH, SM Science Applications International Corp. Princeton NJ
The extension of a recently developed implicit/explicit approach to analyzing two-dimensional ducted supersonic mixing problems with finite-rate chemistry is presented. The hybrid approach combines a fully implicit pa... 详细信息
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OPTIMIZED ROTATION-AXIS ATTITUDE MANEUVER CONTROLLER FOR THE SPACE-SHUTTLE ORBITER
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 1987年 第1期10卷 4-13页
作者: REDDING, DC ADAMS, NJ The Charles Stark Draper Laboratory Cambridge Massachusetts
This paper describes a controller for automatic attitude maneuvers of reaction-control-jet-equipped spacecraft. It is based on a new, real-time algorithm for solution of fuel-optimal maneuvers, assuming on-off control... 详细信息
来源: 评论