The complex ocean environment has very important interference on the motion state of the capsule. To solve the problem has much meaning to our country to develop ourselves missile launched under the water. This thesis discuss the disturbing force of the capsule received and then consider the wave force in the general equation of motion. The conventional method use integration method and section-cutting to compute the disturbing force. But in here, it suppose that the force to the capsule is linear, and it means that wave just changed the velocity of flow field. So the model of the motion of the capsule was built. Then using simulink soft program to emulate it, and comparing with the real data, the hypothesis can fit with it well, so it can use in engineering design.%水环境的复杂性对运载器的运动状态有很大的扰动作用,解决运载器在波浪扰动作用下的水弹道计算问题对发展我国的潜射导弹具有重要意义.文章讨论了在近海面的水中运动的运载器受到的波浪扰动作用力,并在运载器的一般运动方程中加入波浪力的作用.传统的方法是用拉格朗日积分法和切片法计算波浪的扰动作用力,文章假设波浪对运载器的作用为线性,即波浪的影响只对流场产生附加速度,从而建立运载器在波浪扰动下的数学模型.利用simulink仿真运载器扰动后的水弹道,通过与实验数据分析比较,假设满足一定的工程设计要求.
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