CUED Publications database

Computational fluid-structure interaction of DGB parachutes in compressible fluid flow

Pantano-Rubino, C and Karagiozis, K and Kamakoti, R and Cirak, F (2010) Computational fluid-structure interaction of DGB parachutes in compressible fluid flow. American Society of Mechanical Engineers, Fluids Engineering Division (Publication) FEDSM, 3. pp. 309-315. ISSN 0888-8116

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This paper describes large-scale simulations of compressible flows over a supersonic disk-gap-band parachute system. An adaptive mesh refinement method is used to resolve the coupled fluid-structure model. The fluid model employs large-eddy simulation to describe the turbulent wakes appearing upstream and downstream of the parachute canopy and the structural model employed a thin-shell finite element solver that allows large canopy deformations by using subdivision finite elements. The fluid-structure interaction is described by a variant of the Ghost-Fluid method. The simulation was carried out at Mach number 1.96 where strong nonlinear coupling between the system of bow shocks, turbulent wake and canopy is observed. It was found that the canopy oscillations were characterized by a breathing type motion due to the strong interaction of the turbulent wake and bow shock upstream of the flexible canopy. Copyright © 2010 by ASME.

Item Type: Article
Divisions: Div D > Structures
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:45
Last Modified: 16 Mar 2021 07:04
DOI: 10.1115/FEDSM-ICNMM2010-30898