The Study Of Interference Between Bomb And Plane And Seperating Ballistic

The surface finite element solver brought forward by Woodward is improved. According to the improved solver ,the interfere between bomb and plane is researched .The aerodynamic parameters of the bomb, which under the wing are calculated.The six freedom degrees ballistic equations are established by considering control. The initial ballistics of the bomb is researched.The aerodynamic parameters are calculated under dynamic condition. According to the position and the posture of the bomb ,the parameters are calculated every short interval until it leaves the interfere area. The accuracy of the parameters is improved by linking the aerodynamic calculation and ballistic calculation. The aerodynamic parameters of a kind of bomb are calculated and compared with the experiment values.The surface finite element solver can fit every kind of body. Some models with noncircular cross are calculated. And the results are compared with the experiment values. A dispenser's model with rectangle cross section is calculated.