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On the nonlinear stability of a truncated shallow spherical shell under a concentrated load |
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| Authors: | Liu Ren-huai Cheng Zhen-qiang |
| Affiliation: | 1. Shanghai University of Technology, Shanghai; University of Science and Technology of China, Hefei;2. University of Science and Technology of China, Hefei |
| Abstract: | In this paper, the axisymmetric nonlinear stability of a clamped truncated shallow spherical shell with a nondeformable rigid body at the center under a concentrated load is investigated by use of the modified iteration method. The analytic formulas of second approximation for determining the upper and lower critical buckling loads are obtained. This paper was read at The Third East China Symposium on Solid Mechanics, Jiuhuashan, October, 1986. |
| Keywords: | nonlinear optimal control dual variable variational principle multi-level iteration symplectic algorithm |
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