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大攻角运动时三角翼滚转及其演化问题数值模拟

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摘要 基于动网格的技术,耦合求解流体动力学方程与刚体动力学方程,建立无时间滞后的数值手段来分析研究飞行器非定常的耦和运动特征,研究三角翼多自由度非定常的耦合关联运动。研究表明:在流动结构失稳后机体运动逐步形成极限环振荡的自维持运动,滚转力矩系数滞回曲线呈现典型的“双8”稳定形态,在滚转与偏航2自由度下,三角翼自激滚转振荡更为剧烈。
机构地区 哈尔滨
出处 《气动研究与实验》 2011年第4期1-5,共5页 Aerodynamic Research & Experiment
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参考文献8

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