Structure Response Analyses of Large Aspect Ratio Free Loading SRM under Temperature LoadingChinese Full Text
MENG Shang-yang,DONG Yong,YANG Jun-hui,YANG Xiao-hong (PLA Troops of 63961,Beijing,100012,China)
Abstract: A SRM with large aspect ratio free loading grain was taken as an example to investigate the displacement,stress and strain of large aspect ratio free loading solid rocket motor（SRM） grain under extreme temperature loading.The structure response in various aspect ratio of SRM was calculated by three-dimension viscoelastic finite element method.The changes of displacement,stress and strain fields in diffenent aspect ratios were obtained under high temperature（+60℃） and low temperature（-40℃） loading.The results showed that the displacement of free loading grain was mainly affected by aspect ratio.Thus the methods of installing ignition instrument and supporting grain were very important in SRM design of large aspect ratio free loading grain.
- DOI：
10.13656/j.cnki.gxkx.2011.02.002
- Series：
- Subject：
- Classification Code：
V435.1
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