Validation and optimization of dynamic constitutive model constants with Taylor test

Lv Jian; HE Ying-bo; TIAN Chang-jin; ZHANG Fang-ju; CHEN Cheng-jun; DENG Hong-jian

doi:10.11883/1001-1455(2006)04-0339-06

Volume 26 Issue 4

Nov. 2014

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Article Navigation > Explosion And Shock Waves > 2006 > 26(4): 339-344

NI Zhi-jun, ZHOU Ke-dong, HE Lei, WANG Shu. A high-resolution numerical simulation of two-phase flow interior ballistics of the weapon with non traditional structure[J]. Explosion And Shock Waves, 2006, 26(5): 468-473. doi: 10.11883/1001-1455(2006)05-0468-06

Citation:

Lv Jian, HE Ying-bo, TIAN Chang-jin, ZHANG Fang-ju, CHEN Cheng-jun, DENG Hong-jian. Validation and optimization of dynamic constitutive model constants with Taylor test[J]. Explosion And Shock Waves, 2006, 26(4): 339-344. doi: 10.11883/1001-1455(2006)04-0339-06

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Validation and optimization of dynamic constitutive model constants with Taylor test

doi: 10.11883/1001-1455(2006)04-0339-06

1.
Institute of Structural Mechanics ,China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2006-07-25

Abstract

Abstract

By comparing the results of Taylor test and computational simulation, a validating and optimizing method on dynamic constitutive model material constants was proposed. This method was applied to the Johnson-Cook model for OFHC copper and some uncertainty of Taylor test was analyzed. Results show that it is reasonable for validating and optimizing material constants for dynamic constitutive model with this method.
- solid mechanics,
- model validation,
- Taylor test,
- dynamic constitutive properties

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