文档介绍：C日中国船舶工业总公司指导性技术文件 CB/Z 214一85 舰艇柴油机轴系扭转振动计算 1985一06一03发布中国船舶工业总公司批准目录 1计算模型及运动方程..........................................................................................(1) 2当量转化·............................................................................................·····??(3) 3自由振动计算····································,······················································。··?(5) 4激励·········,·····················································。·。·,···。···························。·····??(5) 5阻尼·..............................................................................................................(8) 6强迫振动计算·························。··································,································??(10) 7具有部分气缸熄火时的扭振计算。········,········。···········。······································??(11) 8许用值·........................................................................................................... (13) 附录A单位曲柄的柔度计算公式与某些主机的扭振当量参数···。·····························&