Aerothermodynamic design optimization of planetary vehicle
S. Shivank1, S. Harshul2, N.A. Hammad3, G. Malaikannan3
1University of Michigan, Ann Arbor, USA
2Department of Aerospace Engineering, ISAE SUPAERO, Toulouse, France
3SRM Institute of Science and Technology, Kattankulathur, India
Keywords: Optimization, heat flux, drag, planetary entry, DSMC
Abstract
The present work deals with the design optimization of different vehicle configurations for planetary entry. Choosing the aerothermodynamic characteristics of heat flux and drag as the objective function we have analyzed and simulated the effects of atmospheric resistance on planetary entry vehicles in the rarefied atmosphere. We have utilized the SPARTA (Stochastic PArallel Rarefied-gas Time-accurate Analyzer) DSMC simulator for our simulation. The optimization is carried out with the help of MATLAB optimization module. We have simulated the descent of the present work demonstrates two of the planetary atmospheric conditions, the first one is Earth, and the later one is Mars. The vehicle geometry is then optimized according to the planetary atmospheric conditions. This work ultimately provides insight into how the effects of geometrical parameters play a pivotal role in the aerothermal loads of planetary entry vehicles.
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