HDMR-based sensitivity analysis and uncertainty quantification of GOCE aerodynamics using DSMC

Falchi, Alessandro and Minisci, Edmondo and Kubicek, Martin and Vasile, Massimiliano and Lemmens, Stijn (2018) HDMR-based sensitivity analysis and uncertainty quantification of GOCE aerodynamics using DSMC. In: Stardust Final Conference. Astrophysics and Space Science Proceedings . Springer Netherlands, Cham, pp. 301-323. ISBN 978-3-319-69956-1

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Abstract

A sensitivity analysis of aerodynamic coefficients has been performed by coupling a Direct Simulation Monte Carlo method and a High Dimensional Model Representation based uncertainty quantification approach. The study has been performed on the Gravity Field and Steady-State Ocean Circulation Explorer satellite. The uncertainty on aerodynamics has been quantified with respect to atmospheric parameters, which have been obtained using the NRLMSISE-00 atmospheric model, within a free molecular flow regime in the Low Earth Atmosphere. The aerodynamic simulations have been performed with the dsmcFoam code, based on the open-source OpenFOAM platform.