| 摘要: |
| 求解了非定常薄层近似Ｎ－Ｓ方程模拟强迫振动条件下的非定常扰动流场，并在Ｅｔｋｉｎ定义下给出偏航阻尼导数Ｃηγ－Ｃηβｃｏｓα的计算方法和数值积分公式，还给出Ｍａ＝１０，α＝９．８４７°，１９．６８°下的计算结果。 |
| 关键词: 阻尼导数 数值计算 纳维尔－斯托克斯方程 强迫振动 |
| DOI： |
| 分类号:V414.5 |
| 基金项目: |
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| CALCULATION OF DAMPING IN YAW DERIVATIVES BY FORCED OSCILLATION METHOD |
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Liu Wei, Qu Zhanghua
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Deptof Aerospace Technology,National Univof Defence Technology,Changsha,410073
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| Abstract: |
| A forced oscillation method for solving unsteady TLNS equation is presented to calculate damping in yaw derivatives for hypersonic flow on capsule type re entry vehicle,and the results are also shown under the conditions:Ma=10,α=9847°,1968°In addition,a numerical integral formula for analyzing damping in yaw derivatives has been proposed |
| Key words: Damping derivatives Numerical calculation Navier Stockes equations Forced vibration |
