摘要
本文主要介绍用有限差分法计算一种带有尾翼的特殊弹丸在有攻角时三维绕流流动,通过求解三维 N S方程得到流场流动参数,并通过对物面处压力和应力的积分,得到弹丸诸气动力系数.其计算结果可供设计人员参考.
The three dimension round flows of a special empennage bullet, are simulated with finite difference method when it has attack angles. The parameters of flow fields can be obtained by calculating three dimension N S equations,and the bullet's aerodynamic coefficients can be achieved by integrating the pressure and stress of the surface of objects.The designers can refer the calculated results.
出处
《弹道学报》
CSCD
北大核心
1999年第2期58-61,共4页
Journal of Ballistics
关键词
有限差分法
尾翼弹
攻角
气动力
迫击炮弹
finite differene method, empennage bullet,attack angle, aerodynamics