Which phenomenon compromises aerodynamic simulations when the Reynolds number exceeds a threshold?

💡 Explanation

Flow becomes unstable once a certain Reynolds number is surpassed; above it, laminar flow transitions into turbulence because the destabilizing inertial forces outweigh the stabilizing viscous forces. Therefore, predicting turbulence is computationally intensive, rather than alternative, less complex laminar simulations being sufficient at lower Reynolds number.

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