摘要
对火炮的俯仰部分进行模态分析,得到前10阶模态振型和固有频率,然后将炮身的后坐运动简化为简谐运动,对炮身部分进行谐响应分析,得到激励频率对炮口振动的影响规律。这样即可选择合适的射击频率,避开火炮俯仰部分固有频率,减小激励频率对炮口振动的影响。
The modal analysis of the pitching part of the gun was carried out to obtain the first ten natural frequencies and mode shapes. The gun recoil motion was simplified as a simple harmonic motion. Through the harmonic response analysis of the barrel,the effect of excitation frequency on muzzle vibration was obtained. In order to avoid the natural frequency of pitching part and reduce the muzzle vibration generated by excitation,the appropriate firing frequency was obtained.
出处
《兵器装备工程学报》
CAS
2017年第1期44-46,共3页
Journal of Ordnance Equipment Engineering
关键词
火炮
动态特性
射击频率
gun
dynamic characteristic
firing frequency
