Numerical Analysis of Fluid-Structure Interaction during Ignition Process for Solid Rocket Motor with Stress-Reliver

Jing Wu; Xiong Chen; Xi Yu

doi:10.4028/www.scientific.net/AMM.184-185.328

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 184-185Numerical Analysis of Fluid-Structure Interaction...

Numerical Analysis of Fluid-Structure Interaction during Ignition Process for Solid Rocket Motor with Stress-Reliver

Abstract:

During the start-up of ignition process, the solid rocket motor is typically involved in fluid-structure coupling process. The propellant deforms under the gas pressure, thereby influents the gas flow in turn. The aim of this paper is to investigate the coupled effect between fluid and structure during the start-up of ignition process in solid rocket motor by coupling Fluent and Abaqus via MpCCI. The numerical result shows that during the initial stage, the gas flows onto the structural surface. There is a relative enclosure space in thewing slot inside the motor, which causes big deformation on propellant grain and stress reliever. This space is the high-risk area for structural deboning in solid rocket motor.

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Periodical:

Applied Mechanics and Materials (Volumes 184-185)

Pages:

328-332

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.184-185.328

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Online since:

June 2012

Authors:

Jing Wu, Xiong Chen, Xi Yu

Keywords:

Fluid Structure Interface, Ignition Process, Solid Rocket Motor (SRM), Stress Reliever

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References

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