Numerical simulation for blast wave in water-saturated rock

ZHOU Zhong; WANG Xiao-jun; ZHAO Kai; LIU Fei

doi:10.11883/1001-1455(2005)04-0296-07

Volume 25 Issue 4

Dec. 2014

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Article Navigation > Explosion And Shock Waves > 2005 > 25(4): 296-302

ZHANG Lei, HU Shi-sheng. A novel experimental technique to determine the spalling strength of concretes[J]. Explosion And Shock Waves, 2006, 26(6): 537-542. doi: 10.11883/1001-1455(2006)06-0537-06

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ZHOU Zhong, WANG Xiao-jun, ZHAO Kai, LIU Fei. Numerical simulation for blast wave in water-saturated rock[J]. Explosion And Shock Waves, 2005, 25(4): 296-302. doi: 10.11883/1001-1455(2005)04-0296-07

ZHANG Lei, HU Shi-sheng. A novel experimental technique to determine the spalling strength of concretes[J]. Explosion And Shock Waves, 2006, 26(6): 537-542. doi: 10.11883/1001-1455(2006)06-0537-06

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Numerical simulation for blast wave in water-saturated rock

doi: 10.11883/1001-1455(2005)04-0296-07

1.
Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, Anhui, China

Publish Date: 2005-07-25

Abstract

Abstract

Within the framework of continuum mechanics and immiscible mixture theory, and by assuming that there is no relative motion between the components, an elastic-plastic constitutive model involving damage evolution for fluid-saturated porous solid is proposed. The porosity evolution is established on the conventional equipressure experiments and the effect of porosity on the yield function is considered in the new constitutive relations. By using the B-W-N-B effective stress rule, the blast waves in the fully water-saturated porous tuff are numerically simulated and the results are in good agreement with experiments, demonstrating that the model proposed in this paper is capable of predicting blast waves in water-saturated porous rocks.
- mechanics of explosion,
- constitutive model,
- B-W-N-B effective stress rule,
- water-saturated rock,
- blast stress wave

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