斜喷管收敛段壳体三维应力场的有限元法计算

推进技术 ›› 1993, Vol. 14 ›› Issue (6): 17-24.

斜喷管收敛段壳体三维应力场的有限元法计算

孙菊芳,相升海,孙冰

北京航空航天大学;北京航空航天大学;北京航空航天大学

发布日期:2021-08-15

CALCULATION OF OBLIQUE NOZZLE CONTRACTION SHELLS THREE-DIMENSION STRESS PROFILE BY MEANS OF FINITE ELEMENT METHOD

Beijing University of Aeronautics and Astronautics;Beijing University of Aeronautics and Astronautics;Beijing University of Aeronautics and Astronautics

Published:2021-08-15

摘要/Abstract

摘要： 对固体火箭发动机斜喷管收敛段壳体应力场采用有限元法进行了分析和计算。提出了该方法的力学模型、基本公式、基本方法和算例。具有理论意义和工程应用价值。

关键词: 固体推进剂火箭发动机;应力分布;斜置喷管;收敛段;三轴应力;有限元法

Abstract: In this paper, solid rocket moter oblique nozzle contraction shells stress profile is analysed and calculated by means of finite element method. Mechan-ics model, basic formulas , basic measures and an example to use the method are given, which is significative in theory and applicable in engineering.

Key words: Solid propellant rocket engine;Canted nozzle;Contractor;Stress distribution;Finite element method

孙菊芳,相升海,孙冰. 斜喷管收敛段壳体三维应力场的有限元法计算[J]. 推进技术, 1993, 14(6): 17-24.

斜喷管收敛段壳体三维应力场的有限元法计算

CALCULATION OF OBLIQUE NOZZLE CONTRACTION SHELLS THREE-DIMENSION STRESS PROFILE BY MEANS OF FINITE ELEMENT METHOD

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