应用DDAM进行船舶浮筏隔振装置抗冲击计算

THE APPLICATION OF DDAM ON THE COMPUTATION OF SHOCK RESPONSE OF MARINE FLOATING RAFT VIBRATION-ISOLATING SYSTEM

摘要: 研究舰船设备冲击设计分析方法，对美国海军动力学设计分析方法(DDAM)进行了详细介绍。分别按照美国海军NAVSEA 0908-LP-000-3010，Rev.1和GJB1060.1-91的要求对船舶浮筏隔振装置进行了冲击设计分析，计算表明修订后的DDAM计算结果更准确。计算分析方法可用于海军舰船设备的冲击设计分析，计算应按照美国海军NAVSEA 0908-LP-000-3010，Rev. 1要求的模态选择标准进行。

Abstract: The shock-resistant design and analysis method of onboard equipments is studied. The U.S. Naval DDAM (Dynamic Design Analysis Method) is reviewed in detail. The shock response of a marine floating raft vibration-isolating system is computed and analyzed based on the U.S. Naval NAVSEA 0908-LP-000-3010, Rev. 1 and the GJB1060.1-91, respectively. The results show that the computation based on the revised version DDAM is more accurate than the old version. The computation and analysis method used in this paper can be used to analyze the shock-resistant performance of naval onboard equipments. The choice of modes should be based on the criteria of the U.S. Naval NAVSEA 0908-LP-000-3010, Rev.1.