摘要
研究了固态火箭发动机柔性喷管有限元建模及摆动分析方法。利用基于自定义三向弹簧单元的柔性接头线性等效模型,建立了发动机柔性喷管有限元模型。根据试验数据对柔性接头模型进行修正,并对发动机柔性喷管进行了摆动分析。
The methods of FEM Modelling and Oscillation Analysis of Solid Propellant Rocket Motor were ex- plores. The FEM model of flexible nozzle using the equivalent model of flexible joint based custom spring elements is build; modify the FEM model of the flexible joint according to the carry out the oscillation analysis of solid propellant rocket motor. on the three-direction experiment data ; and
出处
《科学技术与工程》
北大核心
2012年第35期9613-9616,共4页
Science Technology and Engineering
