Imploding load induced deformation and spallation of thermal-plastic spherical shell of medium thickness

LI Yong-chi; DONG Jie; HU Xiu-zhang; FAN Shu-qun

doi:10.11883/1001-1455(2005)04-0319-06

Volume 25 Issue 4

Dec. 2014

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LI Yong-chi, DONG Jie, HU Xiu-zhang, FAN Shu-qun. Imploding load induced deformation and spallation of thermal-plastic spherical shell of medium thickness[J]. Explosion And Shock Waves, 2005, 25(4): 319-324. doi: 10.11883/1001-1455(2005)04-0319-06

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LI Yong-chi, DONG Jie, HU Xiu-zhang, FAN Shu-qun. Imploding load induced deformation and spallation of thermal-plastic spherical shell of medium thickness[J]. Explosion And Shock Waves, 2005, 25(4): 319-324. doi: 10.11883/1001-1455(2005)04-0319-06

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Imploding load induced deformation and spallation of thermal-plastic spherical shell of medium thickness

doi: 10.11883/1001-1455(2005)04-0319-06

1.
Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, Anhui, China

Publish Date: 2005-07-25

Abstract

Abstract

By accounting for the effects of temperature and damage on material parameters and the coupled effects of temperature and damage on the plastic deformation, a general explicit form and a specific incremental form of a thermal-plastic constitutive relation have been obtained based on the internal variable theory. For the problem of imploding load induced spallation in spherical shell, a set of equations have been developed and numerically solved with finite difference method.
- solid mechanics,
- thermal-plastic constitutive relation,
- finite difference,
- spherical shell,
- numerical simulation

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