Volume 27 Issue 8
Aug.  2012
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ZHENG Xiao-ya, LIU Qing, WANG Wei-xiang. Interface stress analysis of solid motor grain structure[J]. Journal of Aerospace Power, 2012, 27(8): 1861-1866.
Citation: ZHENG Xiao-ya, LIU Qing, WANG Wei-xiang. Interface stress analysis of solid motor grain structure[J]. Journal of Aerospace Power, 2012, 27(8): 1861-1866.

Interface stress analysis of solid motor grain structure

  • Received Date: 2011-09-07
  • Publish Date: 2012-08-28
  • The numerical method based on thermal viscoelastic contact theory was studied.It provided a convenient method to judge whether interface debond occured or not.A solid motor grain structure was taken as an example,and contact arithmetic was applied to simulate multilayer complicated boundary of solid motor grain structure.Strain field was computed under flight condition,and distribution rule of interface stress between case and insulation was researched.Results show that strain field contour agrees with the fact.Interface between case and insulation is ideal and is unable to debond.

     

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