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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 68
Edited by: B.H.V. Topping
Paper X.1

Simulations of Solid Rocket Motors using a Partitioned Fluid-Structure Interaction Algorithm

I.D. Parsons, P. Alavilli, A. Namazifard, X. Jiao and A. Acharya

Centre for the Simulation of Advanced Rockets, University of Illinois at Urbana-Champaign, Urbana, Illinois, United States of America

Full Bibliographic Reference for this paper
I.D. Parsons, P. Alavilli, A. Namazifard, X. Jiao, A. Acharya, "Simulations of Solid Rocket Motors using a Partitioned Fluid-Structure Interaction Algorithm", in B.H.V. Topping, (Editor), "Developments in Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, pp 277-282, 2000. doi:10.4203/ccp.68.10.1
We describe simulations of solid rocket motors that involve coupling between the core fluid flow, the structural response of the propellant and case and the combustion of the propellant. A predictor-corrector algorithm is employed to treat the fluid-structure interaction. The combustion rate of the propellant is coupled to the fluid flow via an empirical power law relationship. Our algorithm couples the physical processes involved using a partitioned approach, enabling us to use existing codes to perform the bulk of our simulations. We give special consideration to the jump conditions that hold at the fluid-structure-combustion interface. Results are presented that demonstrate the parallel performance of our code on a variety of architectures. A large-scale simulation is also described that demonstrates the capability of our code.

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