| 基于准定常的飞行器动导数的高效计算方法 |
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| 引用本文： | 孙智伟,程泽荫,白俊强,黄江涛. 基于准定常的飞行器动导数的高效计算方法[J]. 飞行力学, 2010, 28(2) |
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| 作者姓名： | 孙智伟 程泽荫 白俊强 黄江涛 |
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| 作者单位： | 西北工业大学,航空学院,陕西,西安,710072 |
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| 摘 要： | 结合工程设计经验和工程计算方法,针对飞行器动导数计算方法展开研究。基于求解准定常欧拉方程发展了一种适合于亚跨超声速状态下,任意气动外形气动导数的高效计算方法,并将计算结果与一般非定常方法的求解结果以及国际标准实验数据进行了对比,研究结果表明该方法结果可靠、效率较高。
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| 关 键 词： | 动导数 准定常 欧拉方程 多重网格 |
A high efficient method for computing dynamic derivatives of aircraft based on quasi-steady CFD method |
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| SUN Zhi-wei,CHENG Ze-yin,BAI Jun-Qiang,HUANG Jiang-Tao. A high efficient method for computing dynamic derivatives of aircraft based on quasi-steady CFD method[J]. Flight Dynamics, 2010, 28(2) |
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| Authors: | SUN Zhi-wei CHENG Ze-yin BAI Jun-Qiang HUANG Jiang-Tao |
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| Affiliation: | College of Aeronautics;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | This article considers the experiences of engineering design and engineering calculation method,based on the quasi-steady Euler equations to solve arbitrary aerodynamic shape which can be fit for subsonic flow,transonic flow and supersonic flow with high efficient.Compared to the calculation results of the general method with unsteady solution and experimental data,the results show that the method is reliable and efficient. |
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| Keywords: | dynamic derivative quasi-steady Euler equations multi-grid |
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