| 基于CFD的机翼突风响应计算 |
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| 引用本文： | 顾宁,陆志良,张家齐,郭同庆.基于CFD的机翼突风响应计算[J].航空学报,2011,32(5):785-791. |
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| 作者姓名： | 顾宁 陆志良 张家齐 郭同庆 |
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| 作者单位： | 南京航空航天大学空气动力学系,江苏南京,210016 |
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| 摘 要： | 利用网格速度理论,计算机翼在锐边突风和1-cos突风下的响应,研究气动非线性和自由度耦合对翼尖加速度和升力系数的影响.采用中心格式有限体积法进行空间离散,并用双时间推进法求解非定常Euler方程.计算了刚性(沉浮)和弹性机翼在锐边突风下的加速度响应,以及刚性机翼(沉浮+俯仰)在1-cos突风下的升力响应过程,并分别与片...
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| 关 键 词： | 突风响应 片条理论 有限体积法 Euler方程 六自由度方程 弹性机翼 模态叠加法 |
| 收稿时间： | 2010-08-31; |
CFD-based Analysis for Gust Response of Aircraft Wing |
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| GU Ning,LU Zhiliang,ZHANG Jiaqi,GUO Tongqing.CFD-based Analysis for Gust Response of Aircraft Wing[J].Acta Aeronautica et Astronautica Sinica,2011,32(5):785-791. |
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| Authors: | GU Ning LU Zhiliang ZHANG Jiaqi GUO Tongqing |
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| Institution: | GU Ning,LU Zhiliang,ZHANG Jiaqi,GUO Tongqing Department of Aerodynamics Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China |
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| Abstract: | The grid speed method is used to calculate the sharp-edged and 1-cos gust response of wing configuration using computational fluid dynamics(CFD) tools.The spatial discretization of the Euler equations is performed using the central scheme,and time integration was implemented by the dual time-stepping approach.The sharp-edged gust response analysis of both rigid(plunge) and elastic wing configurations is performed,and the acceleration response is calculated and compared with the strip theory results.The 1-co... |
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| Keywords: | gust response strip theory finite volume method Euler equation six degree of freedom equation elastic wing modal superposition method |
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