Dynamic behavior of the vortex ring formed on a butterfly wing

Forward flight of swallowtail butterfly with simple flapping motion

(2010) Hiroto Tanaka et al.   Bioinspiration & Biomimetics

Experimental investigation of some aspects of insect-like flapping flight aerodynamics for application to micro air vehicles

(2009) Salman A. Ansari et al.   EXPERIMENTS IN FLUIDS

Smoke visualization of free-flying bumblebees indicates independent leading-edge vortices on each wing pair

(2009) Richard James Bomphrey et al.   EXPERIMENTS IN FLUIDS

Insect-Based Hover-Capable Flapping Wings for Micro Air Vehicles: Experiments and Analysis

(2008) B. Singh et al.   AIAA JOURNAL

Numerical Study on the Unsteady-Force-Generation Mechanism of Insect Flapping Motion

(2008) J.-S. Lee et al.   AIAA JOURNAL

Three-dimensional flow structures and evolution of the leading-edge vortices on a flapping wing

(2008) Y. Lu et al.   JOURNAL OF EXPERIMENTAL BIOLOGY