| 气动与隐身性能计算精度对飞行器设计的影响 |
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| 引用本文： | 王明亮,高正红,夏露.气动与隐身性能计算精度对飞行器设计的影响[J].飞行力学,2009,27(6). |
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| 作者姓名： | 王明亮 高正红 夏露 |
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| 作者单位： | 西北工业大学,翼型叶栅空气动力学国防科技重点实验室,陕西,西安710072 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 将计算精度高的流场和电磁场求解算法引入到飞行器外形多目标优化设计中,研究了气动特性和雷达散射截面算法计算精度对外形设计结果的影响.以无人机外形气动与隐身一体化设计为例的研究结果表明,低精度优化设计的外形在实际应用中难以获得预期的性能,采用高精度计算模型的优化设计可以获得性能更优的外形.
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| 关 键 词： | 雷达散射截面 多目标优化 无人机 |
Influence of Aerodynamic and Stealth Performance Computation Precision on Aircraft Optimization Design |
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| WANG Ming-liang,GAO Zheng-hong,XIA Lu.Influence of Aerodynamic and Stealth Performance Computation Precision on Aircraft Optimization Design[J].Flight Dynamics,2009,27(6). |
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| Authors: | WANG Ming-liang GAO Zheng-hong XIA Lu |
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| Institution: | WANG Ming-liang,GAO Zheng-hong,XIA Lu(National Key Laboratory of Aerodynamic Design and Research,NWPU,Xi'an 710072,China) |
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| Abstract: | The high-precision algorithms about CFD and electromagnetism are inducted in the aircraft configuration multi-objective optimization design.For the aerodynamic performance and the radar cross section,the influence of the computational method models precision on aircraft configuration optimization design is researched.An unmanned air vehicle configuration is designed to improve the aerodynamic performance and the stealth performance as an example.The results show,the configuration designed by using the low-p... |
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| Keywords: | radar cross section multi-objective optimization unmanned air vehicle |
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