| 锥形降落伞开伞过程流动结构相互作用的数值模拟 |
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| 引用本文： | 吴卓,曹义华,宋乾福.锥形降落伞开伞过程流动结构相互作用的数值模拟[J].航空动力学报,2009,24(7):1584-1593. |
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| 作者姓名： | 吴卓 曹义华 宋乾福 |
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| 作者单位： | 北京航空航天大学航空科学与工程学院,北京,100191 |
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| 基金项目： | 国家自然科学基金(10577003) |
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| 摘 要： | 根据多结点开伞模型建立了锥形降落伞系统的变形动力学方程组来对充气过程中的伞衣柔性体变形过程进行模拟.结合多结点模型动力学方程结算代码和计算流体力学软件,对降落伞的充气过程进行流固耦合动态仿真,从而得到充气过程中伞衣外形和流场的变化,以及充气时间、下降速度变化和下降距离等相关数据,与国外研究成果相吻合.
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| 关 键 词： | parachute computational fluid dynamics（CFD） fluid-structure interaction numerical simulation flow flied |
| 收稿时间： | 2008/6/27 0:00:00 |
| 修稿时间： | 2009/3/16 0:00:00 |
Numerical simulation of fluid-structure interaction in conical parachute's opening process |
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| WU Zhuo,CAO Yi-hua and SONG Qian-fu.Numerical simulation of fluid-structure interaction in conical parachute''s opening process[J].Journal of Aerospace Power,2009,24(7):1584-1593. |
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| Authors: | WU Zhuo CAO Yi-hua and SONG Qian-fu |
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| Institution: | School of Aeronautical Science and Engineering;Beijing University of Aeronautics and Astronautics;Beijing 100191;China |
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| Abstract: | According to a multi-node model,this paper has constructed dynamics equations of conical parachute system to simulate distortion process of the flexible canopy in the opening process.By combination of dynamics equations code and computational fluid dynamics(CFD) software,the fluid-structure interaction study of the parachute was carried out,and the change of its shape and flow flied,inflation time,the rate of decline,the distant of decline,and other relevant data were achieved in agreement with foreign rese... |
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| Keywords: | parachute computational fluid dynamics (CFD) fluid-structure interaction numerical simulation flow flied |
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