推进技术 ›› 1990, Vol. 11 ›› Issue (6): 12-18.

• • 上一篇    下一篇

固体火箭发动机壳体及喷管模态分析

谭三五,刘勇琼,钟莉   

  1. 航空航天部41所;航空航天部42所;西安交通大学
  • 发布日期:2021-08-15

A MODEL ANALYSIS OF CASE AND NOZZLE OF SOLID ROCKET MOTORS

  1. The 41st Reseach Institute;The 41st Reseach Institute;Xian Traffic University
  • Published:2021-08-15

摘要: 发动机模态参数是检验发动机有限元动力模型、进行振动响应分析的基本数据.本文选用锥壳单元,介绍了轴对称旋转壳模态分析方法.计算了发动机壳体和喷管的固有频率和振型,并与实验结果进行了对比分析.

关键词: 固体火箭发动机;火箭发动机壳体;喷管;振动计算

Abstract: Model parameters are used to verify finite element dynamic model and to analyse vibration response .Model analysis method with cone shell element for axisymmetric shell is discussed in this paper.Model parameters of case and nozzle of solid rocket motors are obtained and compared with test data.

Key words: Solid rocket engine;Rocket engine case;Nozzle;Vibration;Computation