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The recent surge in interest in hypersonic technology has highlighted the need to accurately and efficiently simulate these complex flow-fields using simulation tools. Computer simulations for the design and analysis of hypersonic vehicles are critical as it is often impossible to reproduce the high-Mach number, high-enthalpy conditions experienced at the high speeds of these vehicles in a wind tunnel. Ansys Multiphysics tool with CFD packages help engineers to simulate high speed flows and to design hypersonic vehicles to overcome aforementioned challenges.
Hypersonic Challenges
Ansys simulation tools can be used to examine all the challenges one may face while traveling at hypersonic speed.
Very strong shocks - strong shocks cause discontinuous temperatures, pressures and densities across the shock waves
Chemical and thermodynamic nonequilibrium – as Mach number rises, vibrational excitation of air, dissociation and ionization occur
Plasma – Will degrade radio communications and generate ‘blackout’ effect
Ablation – solid materials convert to gas due to pyrolysis and surface reactions
