Nonlinear analysis of laminates through a mindlin-type shear deformable shallow shell element

被引:25
作者
Barut, A
Madenci, E
Tessler, A
机构
[1] UNIV ARIZONA,DEPT AEROSP & MECH ENGN,TUCSON,AZ 85721
[2] NASA,LANGLEY RES CTR,COMPUTAT STRUCT BRANCH,HAMPTON,VA 23681
关键词
D O I
10.1016/S0045-7825(96)01140-1
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study presents a nonlinear analysis with application to a doubly curved shallow shell element free of 'locking'. The 'locking' phenomenon is eliminated by explicitly determining the shear and membrane correction factors. The element formulation utilizes the Reissner-Mindlin and Marguerre theories. The analysis of thin and moderately thick composite shells undergoing large displacements and rotations is achieved by using the corotational form of an updated Lagrangian formulation. The validity of the analysis is established by correlating present results with various benchmark cases that involve large displacements and rotations, as well as elastic stability.
引用
收藏
页码:155 / 173
页数:19
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