| 基于CFD/CSD耦合的二维壁板颤振特性研究 |
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| 引用本文： | 窦怡彬,徐敏,蔡天星,姚伟刚.基于CFD/CSD耦合的二维壁板颤振特性研究[J].工程力学,2011(6):176-181,188. |
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| 作者姓名： | 窦怡彬 徐敏 蔡天星 姚伟刚 |
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| 作者单位： | 西北工业大学航天学院; |
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| 基金项目： | 总装十一五国防科学技术预先研究项目(513130303); 博士点基金国防基础预研项目(20070699054) |
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| 摘 要： | 该文基于CFD/CSD(计算流体动力学/计算结构动力学)耦合方法,在时域内对二维壁板的颤振进行了分析.采用D'Alembert原理和有限元方法,建立了壁板在超声速流作用下的非线性动力学模型.采用Von Karman非线性应变位移关系来描述结构大变形,用Euler方程计算了非定常气动力.应用载荷参数空间插值传递方法,实现...
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| 关 键 词： | CFD/CSD耦合 壁板颤振 D'Alembert原理 有限元方法 非线性动力学模型 数据传递 |
INVESTIGATION OF A TWO-DIMENSIONAL PANEL FLUTTER BASED ON CFD/CSD COUPLING METHOD |
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| DOU Yi-bin,XU Min,CAI Tian-xing,YAO Wei-gang.INVESTIGATION OF A TWO-DIMENSIONAL PANEL FLUTTER BASED ON CFD/CSD COUPLING METHOD[J].Engineering Mechanics,2011(6):176-181,188. |
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| Authors: | DOU Yi-bin XU Min CAI Tian-xing YAO Wei-gang |
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| Affiliation: | DOU Yi-bin,XU Min,CAI Tian-xing,YAO Wei-gang(College of Astronautics,Northwestern Polytechnical University,Xi'an,Shaanxi 710072,China) |
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| Abstract: | A CFD/CSD(Computational Fluid Dynamics/Computational Structural Dynamics) coupling method is used to analyze the flutter of a two-dimensional panel in time domain.A nonlinear dynamic model for the panel in supersonic flow is established through the D'Alembert principle and finite element method.The Von Kerman nonlinear strain-displacement relation is used to account for large structural deflections,and the Euler equation is employed for unsteady aerodynamic forces.A load interpolation transfer method in par... |
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| Keywords: | CFD/CSD coupling method panel flutter D'Alembert principle finite element method nonlinear dynamic model data transfer |
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