Numerical simulation of fluid-structure interaction in defect-contained charge of solid rocket motor subjected to shock waves

Guo Pan; Wu Wen-hua; Liu Jun; Wu Zhi-gang

Volume 34 Issue 1

Mar. 2014

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Guo Pan, Wu Wen-hua, Liu Jun, Wu Zhi-gang. Numerical simulation of fluid-structure interaction in defect-contained charge of solid rocket motor subjected to shock waves[J]. Explosion And Shock Waves, 2014, 34(1): 93-98.

Citation:

Guo Pan, Wu Wen-hua, Liu Jun, Wu Zhi-gang. Numerical simulation of fluid-structure interaction in defect-contained charge of solid rocket motor subjected to shock waves[J]. Explosion And Shock Waves, 2014, 34(1): 93-98.

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Numerical simulation of fluid-structure interaction in defect-contained charge of solid rocket motor subjected to shock waves

1.
State Key Laboratory of Structural Analysis for Industrial Equipment, Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, Liaoning, China
2.
School of Aeronautics and Astronautics, Faculty of Vehicle Engineering and Mechanics, Dalian University of Technology, Dalian 116024, Liaoning, China

Funds: Supported by the National Natural Sience Foundation of China (50921001); the National Basic Program of China (973 Program)(2011CB013705); the National S & T Major Projct (2011ZX05026-002-02)

Received Date: 2012-05-14
Rev Recd Date: 2012-10-10
Publish Date: 2014-01-25

Abstract

Abstract

A loosing coupling strategy was adopted to simulate the propellant of the solid rocket motor.Pressure field was computed by solving the 2-D time-dependent Euler equations within an arbitrary Lagrangian-Eulerian(ALE)framework and the cell-centered finite volume scheme.The time discontinuous Galerkin extended finite element method is implemented to simulate the dynamic response in solid phase under the shock waves.The stress intensity factor was also calculated in the solid field subjected to the impulse loading.The results show that the propagation process of the shock wave in the crack displays highly nonlinear characteristics of reflection and diffraction.Both the displacement field and the stress intensity factor show oscillation effects under the coupled fluid-structure interaction.
- fluid mechanics,
- fluid-structure interaction,
- time discontinuous Galerkin extended finite element method,
- charge of solid rocket,
- shock wave,
- crack

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References(13)

References

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