用非结构动网格方法模拟有相对运动的多体绕流

被引:39
作者
郭正
李晓斌
瞿章华
刘君
机构
[1] 国防科技大学航天与材料工程学院!湖南长沙
关键词
非结构动网格; 相对运动; 多体;
D O I
暂无
中图分类号
V211.3 [计算空气动力学];
学科分类号
0801 ; 080103 ; 080104 ;
摘要
发展了用于模拟有相对运动的多体非定常绕流 ,并计算由流场决定的外弹道的数值方法。该方法采用非结构动网格 ,显式NND有限体积格式 ,求解非定常Euler方程 ,并耦合了刚体动力学方程。作为例证 ,计算了俯仰振动的NACA0 0 12翼型绕流 ,计算结果与实验及文献结果吻合。最后 ,整个策略用于计算二维机翼 外挂物分离流场 ,并确定了外挂物下落轨迹。
引用
收藏
页码:310 / 316
页数:7
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