| 具有随机不确定性的机翼颤振优化 |
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| 引用本文： | 张军红,韩景龙,王晓庆.具有随机不确定性的机翼颤振优化[J].航空学报,2011,32(9):1629-1636. |
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| 作者姓名： | 张军红 韩景龙 王晓庆 |
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| 作者单位： | 南京航空航天大学航空宇航学院,江苏南京,210016 |
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| 基金项目： | 国家自然科学基金(10872089)~~ |
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| 摘 要： | 针对不确定性参数在颤振优化分析中的影响,提出了一种含颤振约束的、具有随机不确定性的机翼气动弹性优化设计方法.在MSC.NASTRAN平台上建立了结构的动力学模型、采用ZAERO程序进行了非定常气动力计算与颤振分析,用响应面方法计算了隐式失效功能函数,以重量最小为设计目标,对包含颤振概率约束的复合材料机翼进行了优化设计....
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| 关 键 词： | 气动弹性 颤振 随机不确定性 优化 响应面法 |
| 收稿时间： | 2010-12-01; |
Flutter Optimization of Wing Structure with Random Uncertainty |
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| ZHANG Junhong,HAN Jinglong,WANG Xiaoqing.Flutter Optimization of Wing Structure with Random Uncertainty[J].Acta Aeronautica et Astronautica Sinica,2011,32(9):1629-1636. |
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| Authors: | ZHANG Junhong HAN Jinglong WANG Xiaoqing |
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| Institution: | ZHANG Junhong,HAN Jinglong*,WANG XiaoqingCollege of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China |
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| Abstract: | A novel method is presented considering the effect of uncertainty in flutter optimization problem,which is used to perform the optimization design of composite material wing including random uncertainty parameters.The structure dynamic model is constructed using MSC.NASTRAN,the unsteady aerodynamic force is computed by ZAERO,and the implicit limit state function describing flutter failure criterion is built by response surface method.At last the optimization of composite material wing is conducted under the... |
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| Keywords: | aeroelasticity flutter random uncertainty optimization response surface method |
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