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- W2387146586 abstract "A deep manned submersible plays an important role in the exploration of ocean mineral resources and studies of deep sea science, such as hydrothermal vents study, geophysics as well as geochemistry. In the development of the deep manned submersible, the safety of the manned spherical pressure hull is of the most concern. Based on the characteristics of the manned spherical pressure hull in the submersible,the authors think that there are contact problems in the locations of the access hatch and three viewports.Contact finite element analysis should be used rather than ordinary finite element analysis by assuming that there is no sliding.In this paper,the essential theory of contact problems is introduced together with the numerical technology, i.e. search strategy, the final equations and their algorithms. The contact problems of a deep sea spherical hull are analyzed by using the finite element method. On the basis of stress-strain analysis results, the effect of the friction coefficient on the stress distribution of contacting parts is studied. Moreover,the compatibility of stress is found in the access hatch substructure and viewports substructure. The rationality of viewports design in this spherical hull is also verified by means of analyzing the compatibility of deformation between contacting parts." @default.
- W2387146586 created "2016-06-24" @default.
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- W2387146586 date "2004-01-01" @default.
- W2387146586 modified "2023-09-23" @default.
- W2387146586 title "Contact Finite Element Analysis of a Spherical Hull in the Deep Manned Submersible" @default.
- W2387146586 hasPublicationYear "2004" @default.
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