Performance of Ray Fins in Fish Locomotion. Qiang Zhu and Kourosh Shoele Department of Structural Engineering University of California San Diego. dorsal fin. caudal fin. anal fin. pectoral fin. pelvic fin. tendons. rays. Cartilage pad. base. ligament. membrane. branches.
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Performance of Ray Fins in Fish Locomotion
Qiang Zhu and Kourosh Shoele
Department of Structural Engineering
University of California San Diego
Lauder Lab Videos
Ray fins of bluegill sunfish (Alben et al. 2007)
Tangorra et al. 2007
Zhu et al. JFM 2002, Zhu & Kourosh JEB 2008
Zhu & Kourosh JEB 2008
Shape and structure
Thorsen et al. 2005
Rigid Rays:All the rays are rigid (red lines)
Fin A:All the rays have the same stiffness (green lines)
Fin B:The ray at the leading edge is strengthened (blue lines)
Kourosh & Zhu JEB 2009, 2010
Venation structure in the wing of a Manduca sexta (from Combes & Daniel 2003).
Cell membrane contains a lipid bilayer supported by a protein scaffold (the cytoskeleton) (T. Wittmann, Science Photo Library).
Mollusk (e.g. abalone) nacre contains a chitin network that controls the growth and mechanical properties of the shell (Asaro & Harley 2004).
Zhu et al. Biophy. J 2007; Zhu & Asaro Biophy. J. 2008; Peng et al. Phys. Review E. 2010
This study is supported by NSF.