Third M.I.T. Conference on Computational Fluid and Solid Mechanics June 14–17, 2005  

Thermal fluid-structure interaction on re-entry vehicle TPS

S. Borrecaa,*, G. Tuminob, P. Gaudenzia
aDipartimento di Ingegneria Aerospaziale ed Astronautica, University of Rome 'La Sapienza', Via Eudossiana 18, 00184 Rome, Italy bESA-ESTEC, Keplerlaan 1, 2200 AG Noordwijk, The Netherlands

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The present study focuses on the simulation of the aero-thermal interaction between the flow field surrounding a re-entry vehicle and its thermal protection system (TPS). An interface tool has been developed to couple computational fluid-dynamics (CFD) results and thermo-structural simulations in order to evaluate the actual thermal loads acting on the structure along the re-entry trajectory. In order to show the efficiency of the developed tool, this technique has been applied to a meaningful two-dimensional test case, using MSC-Nastran as thermo-structural code. It is remarkable that, even though the presented model is two-dimensional, the above interface procedure has been developed to be applied to both 2D and 3D cases.

Keywords:  Thermal fluid-structure interaction; Multidisciplinary analysis; Heat transfer; Design; Coupling procedure; Interpolation

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