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检索条件"主题词=integration algorithm"
151 条 记 录,以下是101-110 订阅
Inverse dynamics of aircraft via reduced-order shooting methods
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2002年 第6期25卷 1158-1162页
作者: Bernelli-Zazzera, F Cappello, G Mantegazza, P Politecn Milan Dept Aerosp Engn I-20158 Milan Italy
The inverse simulation of aircraft was carried out using reduced-order shooting methods. The methods rely on the physical fact that the real system behavior is influenced by a limited number of parameters, far lower t... 详细信息
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Improvements and algorithmical considerations on a recent three-dimensional model describing stress-induced solid phase transformations
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INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING 2002年 第11期55卷 1255-1284页
作者: Auricchio, F Petrini, L Univ Pavia Dipartimento Meccan Strutturale I-27100 Pavia Italy CNR Ist Matemat Applicata & Tecnol Informat I-27100 Pavia Italy
During mechanical loading-unloading cycles shape-memory alloys (SMA) are able to undergo large deformations without showing residual strains (pseudoelasticity) or recovering them through thermal cycles (shape memory e... 详细信息
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Analytical modeling of sensor quantization in strapdown inertial navigation error equations
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2002年 第5期25卷 833-842页
作者: Savage, PG Strapdown Assoc Inc Maple Plain MN 55359 USA
Although generally not considered a major contributor to system inaccuracy, inertial sensor quantization error, if not properly modeled, can lead to erroneously large estimates of its impact on inertial navigation sys... 详细信息
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Trajectory optimization for air-to-surface missiles with imaging radars
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2002年 第5期25卷 876-887页
作者: Farooq, A Limebeer, DJN MBDA UK Ltd Seeker Div Borehamwood WD6 1RX Herts England Univ London Imperial Coll Sci Technol & Med Dept Elect & Elect Engn London SW7 2BT England
The use of trajectory optimization techniques is presented for the terminal guidance of an air-to-surface missile using a Doppler beam sharpening (DBS) radar seeker. The terminal guidance problem is characterized by a... 详细信息
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Computations of axisymmetric plug-nozzle flowfields: Flow structures and thrust performance
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JOURNAL OF PROPULSION AND POWER 2002年 第2期18卷 254-260页
作者: Ito, T Fujii, K Hayashi, AK Univ Tokyo Dept Aeronaut & Astronaut Bunkyo Ku Tokyo 1138654 Japan Inst Space & Astronaut Sci Kanagawa 2298510 Japan Aoyama Gakuin Univ Dept Engn Mech Tokyo 1578527 Japan
Plug-nozzle flowfields are analyzed by the numerical simulations. The method of characteristics is used to design the plug contour, and several types of plug nozzles are considered by truncating the length of the nozz... 详细信息
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On nonisothermal elastoplastic analysis of shell components employing realistic hardening responses
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INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES 2001年 第28-29期38卷 5019-5039页
作者: Tonkovic, Z Soric, J Krätzig, WB Univ Zagreb Fac Mech Engn & Naval Architecture Zagreb 10000 Croatia Ruhr Univ Bochum Inst Stat & Dynam D-44780 Bochum Germany
In the present paper, efficient numerical algorithms for elastoplastic analysis of shell-like structural components will be proposed employing nonisothermal, realistic, highly nonlinear hardening responses. The closes... 详细信息
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Family of constraint-preserving integrators for solving quaternion equations
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2001年 第1期24卷 72-78页
作者: Chiou, JC Jan, YR Wu, SD Natl Chiao Tung Univ Dept Elect & Control Engn Hsinchu 30010 Taiwan Precis Instrument Dev Ctr Div Res & Dev Hsinchu 30010 Taiwan
A family of numerical time integrators that exactly preserve the constraint of quaternion equations is developed, The constraint-preserving integrators based on the property of the skew-symmetric matrix and the propos... 详细信息
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Review of attitude representations used for aircraft kinematics
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JOURNAL OF AIRCRAFT 2001年 第4期38卷 718-737页
作者: Phillips, WF Hailey, CE Gebert, GA Utah State Univ Dept Mech & Aerosp Engn Logan UT 84322 USA Sverdrup Technol Inc Eglin AFB FL 32542 USA
A detailed survey is presented of the literature on attitude representation dating from the early work of Euler and Hamilton to recent publications in fields such as navigation and control. The scope is limited to the... 详细信息
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Equivalency between strapdown inertial navigation coning and sculling integrals/algorithms
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JOURNAL OF GUIDANCE CONTROL AND DYNAMICS 2001年 第2期24卷 201-205页
作者: Roscoe, KM KMR Associates Orono MN 55356 USA
This paper develops a generic equivalency between strapdown inertial navigation coning and sculling integrals and algorithms. The equivalency allows a previously derived coning algorithm to be converted to its corresp... 详细信息
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Multibody system analysis based on Hamilton's weak principle
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AIAA JOURNAL 2001年 第12期39卷 2382-2388页
作者: Kunz, DL Old Dominion Univ Dept Aerosp Engn Norfolk VA 23529 USA
The double pendulum, a simple system that exhibits complex dynamics, is used to demonstrate a method based on Hamilton's weak principle (HWP) for assembling and solving the maximum coordinate set equations for a m... 详细信息
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