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Modern helicopter rotor blades design requires taking into account complex aeroelastic phenomena. Sophisticated computational fluid dynamics and structural dynamics models, available on the market, coupled together enable such analysis with very high fidelity. However, the computational cost of this type of simulation is usually very high and for this reason, it cannot be used in interactive design...
Temperature effect on a free vibrating airfoil is investigated in this paper. Calculations are based on solving the Navier Stokes equations coupled to solid dynamic equations; the ALE formulation of RANS equations is applied. Turbulence is modeled by the SST k-ω model and the Flap/lead-lag motion is considered. Results show that high temperatures induce degradation of aerodynamic performances of the...
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