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Strategic Study of CAE >> 2007, Volume 9, Issue 4

Research on the Buffering Effect of Flexible Materialon the Explosive Loading

1. University of Science and Technology of China, Hefei   230027, China ;

2. National Key Laboratory of Transient Physics, Nanjing University of Science and Technology, Nanjing   210094, China

Funding project:国家自然科学基金资助项目(10402041) Received: 2005-10-28 Revised: 2006-03-03

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Abstract

In this paper, on the basis of the constitutive relation theory which includes inner variables, with the general explicit description of incremental strain thermal-plastic constitutive relations and the specific incremental thermal-plastic constitutive relations, combining the simulation of X ray load and the tube responsing problem which is greatly important in practice, the self-contained equation group about the stress wave in the flexible material_steel composite shell problem is developed. Numerical simulations are carried out with the presented constitutive relations for explosive-filled sphere fracture problem and the results are analyzed.  The thickness of explosive and flexible material that influences the load of the interface is discussed emphatically.

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References

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