金属风暴武器发射动力学理论与仿真研究
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摘要
金属风暴武器(metal storm weapon)一问世就受到了世界各军事强国的广泛关注。金属风暴武器是采用弹药串联装填发射具有超高射频的一种新概念武器,可在极短时间内发射出大量弹丸,在空中形成多层弹幕,实现对巡航导弹、战术导弹、精确制导炸弹、反舰导弹以及攻击机等武器的有效拦截,将成为近程防空反导利器,在未来战争中起到重要作用。
     金属风暴武器异于一般身管武器的复杂特征,使其发射过程远较一般身管武器复杂。缺乏动态设计手段,弹道一致性差,后坐力迭加,合理射频、射序确定等,已成为金属风暴武器设计、研制、发展中急需解决的问题。
     本文作为总装备部某重点预研项目“×××”的主要成果之一,基于多体系统传递矩阵法对金属风暴武器发射动力学进行了深入研究。建立了金属风暴武器多刚柔体系统发射动力学模型,考虑了弹、炮、药、环境等因素;建立了金属风暴武器部件传递方程和传递矩阵、系统特征方程,解决了振动特性快速计算难题;建立了内弹道模型,仿真了各种射频下金属风暴武器内弹道,进行了内弹道优化;给出了金属风暴武器体动力学方程、弹丸发射动力学方程和受力表达式;构造了金属风暴武器系统增广特征矢量及其正交性,实现了动力响应的精确分析;利用Monte Carlo方法,编制了金属风暴武器发射与飞行动力学仿真程序,仿真得到了振动特性、动力响应、弹丸膛内运动、起始扰动、外弹道和射击密集度;建立了金属风暴武器动态性能与系统参数间的定量关系,进行了系统总体参数与射击密集度的相关性分析。本文的研究为金属风暴武器的动态设计、性能评估、性能改进提供了理论依据与技术支撑。
Metal Storm Weapon(MSW) was paid much more attention by many strong military countries in the world when it came into the world . MSW as a new concept weapon by using principle of launch in series which has super-high firing frequency can launch a lot of projectiles in very short time and can form multilayer projectile barrage in the sky which can hold up cruise missile , tactical missile , accurate guided bomb unit, antiship missile and attack plane effectively . MSW will become a short range edge tool of aerial defence and anti-missile which play an important role in the unborn war.
     MSW has own complex characteristic which is different with ordinary barrel weapon .This complex characteristic make launch process of MSW is more diffuclt than ordinary barrel weapon . Absence of dynamic design means , ballistic consistency , repetitious increase for recoil force and enactment for reasonable firing frequency and firing interval have become problem which must be solved urgently in the design , manufacture and development for MSW.
     The paper is one of main production for certain beforehand study project of General Armament Department . Launch dynamics of MSW is deeply study based on transfer matrix method of multibody system. Launch dynamical model of multi-rigid-flexible system is established and all sorts of factors included projectiles ,gun , propellant and environment are considered . Parts transfer equation, parts transfer matrix and system characteristic equation are established and fast calculation problem for natural vibration characteristic of MSW is solved . Interior ballistic model for MSW is established and interior ballistic performance in all sorts of firing frequency is computed . Body dynamical equation of MSW , launch dynamical equation of projectile and force expression are presented . System augmented eigenvector and orthogonality of system augmented eigenvector for MSW is constructed and accurate analysis of dynamical response is realized . Simulation code of launch and flight for MSW is written by using Monte Carlo method and vibration characteristics , dynamical response , projectiles motion in gun tube , initial disturbance , external ballistic and firing dispersion are obtained by simulation . Quantitative relation between dynamical performance and system parameter are established . Dependence analysis between system parameter and firing dispersion is carried out . Study of the paper can provide theory foundation and technology support for dynamical design , performance evaluation and performance improvement of MSW.
引文
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