| 基于非结构运动对接网格的旋翼前飞流场数值模拟 |
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| 引用本文： | 许和勇,叶正寅,王刚,史爱明.基于非结构运动对接网格的旋翼前飞流场数值模拟[J].空气动力学学报,2007,25(3):325-329. |
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| 作者姓名： | 许和勇 叶正寅 王刚 史爱明 |
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| 作者单位： | 西北工业大学翼型叶栅空气动力学国防科技重点实验室,陕西,西安,710072 |
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| 基金项目： | 航空基础科学资助项目(04A53006)，高等学校优秀青年教师教学科研奖励计划资助，国防科技重点实验室基金(9140C42020207) |
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| 摘 要： | 发展了一种基于线性弹簧理论的非结构运动对接网格方法,通过求解非定常Euler方程模拟了旋翼的前飞流场。利用运动区网格的转动模拟旋翼的旋转运动,并运用线性弹簧动态网格技术处理旋翼的挥舞和变距运动,方程求解中采用一种精度较高的插值和重构方法。算例表明,本文的方法能够有效地模拟旋翼的前飞流场。
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| 关 键 词： | 线性弹簧理论 运动对接网格 旋翼前飞流场 重构方法 |
| 文章编号： | 0258-1825（2007）03-0325-05 |
| 修稿时间： | 2006-03-12 |
Numerical simulation of rotor forward flight flow based on the unstructured dynamic patched grid |
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| XU He-yong,YE Zheng-yin,WANG Gang,SHI Ai-ming.Numerical simulation of rotor forward flight flow based on the unstructured dynamic patched grid[J].Acta Aerodynamica Sinica,2007,25(3):325-329. |
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| Authors: | XU He-yong YE Zheng-yin WANG Gang SHI Ai-ming |
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| Abstract: | A method of unstructured dynamic patched grid on the basis of linear spring analogy is developed in the present paper,and the unsteady Euler equations are solved to simulate the rotor forward flight flow field.The grid field is separated into two subdomains: the statical area and the rotational area,which patch on the interface.The partial rotational grid is used to simulate the turning motion of the blades,and the wielding and pitching motions are treated by using the linear spring analogy dynamic grid in the rotational area.A better interposal and reconstruction approach is applied to solve the Euler equations and the precision of result is improved due to applying the approach.The results demonstrated that present method can simulate the forward flight flow of rotor effectively. |
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| Keywords: | linear spring analogy dynamic patched grid the rotor forward flight flow field reconstruction approach |
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