引用本文: | 冯志刚,周建平.固体火箭发动机长期贮存热载荷的有限元分析方法.[J].国防科技大学学报,1994,16(2):67-71.[点击复制] |
Feng Zhigang,Zhou Jianping.The Thermal Stress of the Solid Rocket Motor Grain in Storage[J].Journal of National University of Defense Technology,1994,16(2):67-71[点击复制] |
|
|
|
本文已被:浏览 5647次 下载 6523次 |
固体火箭发动机长期贮存热载荷的有限元分析方法 |
冯志刚, 周建平 |
(国防科技大学 航天技术系 湖南 长沙 410073)
|
摘要: |
分析了固体火箭发动机药柱在长期贮存过程中,由于温度载荷谱的变化所引起的力学响应。基于粘弹性积分蠕变型本构关系,推导了能分析粘弹结构的热载荷的有限元模型,并用它分析了梁、厚壁圆筒与真实固体火箭发动机的热应力问题。 |
关键词: 粘弹性 有限元法 热应力 |
DOI: |
投稿日期:1993-08-25 |
基金项目: |
|
The Thermal Stress of the Solid Rocket Motor Grain in Storage |
Feng Zhigang, Zhou Jianping |
(The Department of Aerospace Technology, NUDT,Changsha,410073)
|
Abstract: |
Stress analysis of solid propellant motor when temperature varys in storage is presented in this paper. A viscoelastic finite element model based on integral creep constitutive relation is obtained and the method is applid to the thermal stress analysis of viscoelastic beam, cylinder and solid propellant motor. |
Keywords: viscoelastic the finite element method thermal stress |
|
|