Abstract
Computational analysis of transient hypersonic e ow effects on high-speed or reentry space vehicles with panel substructures demonstrates the complexity of the aerothermoelastic behavior. Under certain transitory e ow conditions (depending on the rate of change in dynamic pressures and thermal loads ), the dynamic response rapidly changes its pattern when crossing the stable/unstable domains of the stability map. An interesting investigation of the dynamics of chaos of a deterministic system is offered. Apparently, the dynamic pattern should be related to the classical map of the aeroelastic stability boundaries, but the numerical solutions do not always cone rm this assumption. The sensitivity of the nonlinear aerothermoelastic model to initial conditions that is characteristic of chaotic systems could explain this complex behavior.
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