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On elastic-plastic analysis of an overloaded breech ring using NASTRAN (1982)

Chen, P. C. T.

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Publication Date: 2011-08-18

Description: The piece-wise linear analysis option of the NASTRAN code was used to analyze a photoplastic model for a sliding breech mechanism. A two dimensional finite element representation for the breech ring was chosen and the material was made of polycarbonate resin. The aluminum block was regarded as rigid and the width of contact was assumed to remain unchanged during loading. The displacements and stresses in the breech ring were obtained for loading in the elastic as well as plastic range. The maximum tensile stresses before and after complete unloading were obtained and compared with numerical and experimental results.

Keywords: STRUCTURAL MECHANICS

Type: Georgia Univ. 10th NASTRAN User's Colloq.; p 143-152

Format: text

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