Shallow and deep dynamic stall for flapping low Reynolds number airfoils

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Discrete-vortex method with novel shedding criterion for unsteady aerofoil flows with intermittent leading-edge vortex shedding (2014, methodology): “Ol et al. (2009a) and McGowan et al. (2011) have analysed the forces and flow fields for unsteady motions over a broad parameter space using both experimental and computational methods.”
Unsteady force generation and vortex dynamics of pitching and plunging aerofoils (2012, unknown): “Ol et al. (2009) considered pitching and plunging SD7003 aerofoils at Re = O(104) and St = 0.08, and they reported that the lift coefficient time history is in good agreement with linear theory predictions despite the presence of a large LEV.”
Effects of flexibility on the aerodynamic performance of flapping wings (2011, background): “In the most common case, motivated by considerations of maximum propulsive efficiency, pitch leads plunge by 90o, which results in /2 [63].”
Flow structure on finite-span wings due to pitch-up motion (2011, background): “It can occur as well for oscillations in plunging and pitching–plunging modes, as described by Ol et al. (2009).”
Recent progress in flapping wing aerodynamics and aeroelasticity (2010, methodology): “[147] used RANS computations with SST turbulence model [149] to simulate the same cases [146] to investigate the implications of the turbulence modeling.”