Experimental Hydrodynamics and Evolution Function of Median Fins in Fishes

LAUDER, George V.*; DRUCKER, Eliot G.: Experimental Hydrodynamics and Evolution: Function of Median Fins in Fishes Two key structural trends characterizing the evolution of median fins in teleost fishes are (1) the transformation of the caudal fin from the plesiomorphic heterocercal condition to the derived homocercal morphology, and (2) the elaboration of the dorsal fin […]

Effects of Ambient Flow on Locomotion

KOEHL, Mimi/ A. R.: Effects of Ambient Flow on Locomotion Ambient currents and waves in marine habitats, and wind in terrestrial habitats, impose forces on organisms. The locomotory performance of organisms swimming in the water column, of animals flying or gliding in the air, and of creatures moving across the substratum is affected by these […]

Dynamics of Dolphin Porpoising Revisited

WEIHS, D.: Dynamics of Dolphin Porpoising Revisited Porpoising is the popular name for the high – speed motion of dolphin schools, in which long, ballistic jumps are alternated with sections of swimming close to the surface. The first analysis of this behavior (Au & Weihs, 1980) showed that above a certain “crossover” speed this behavior […]

Deconstructing the Aerodynamics of Insect Flight

DICKINSON, M.; BIRCH, J.; FRY, S.; SANE, S.: Deconstructing the Aerodynamics of Insect Flight. The purpose of this paper is to review recent research that has identified and isolated a series of different aerodynamic mechanisms that collectively account for the forces produced by flapping wings. These force components include: wing and added mass inertia, dynamic […]

Computational biological fluid dynamics digitizing and visualizing animal swimmign and flying

HAO, LIU: Computational biological fluid dynamics: digitizing and visualizing animal swimmign and flying We propose a new paradigm of simulation-based analysis of biological fluid phenomena, which is designed as an efficient means for predicting dynamics and energetics of animal swimming and flying. We highlight an integrated computational mechanical system we developed recently, involving descriptions of […]

Biologically inspired optimization algorithms for fluid dynamics

KOUMOUTSAKOS, Petros; MUELLER, Sibylle; WALTHER, Jens: Biologically inspired optimization algorithms for fluid dynamics For centuries, engineers have sought inspiration from nature in devising their creations. We are interested not only in developing systems based on natural creations (biomimetics) but also in developing algorithms for the systematic optimisation of engineering problems. We are developing optimisation strategies […]

Vector Navigation in Insects

DYER, Fred C.: Vector Navigation in Insects Honey bees and other insects that forage from a central place face a formidable navigational problem, which is to find their way repeatedly between their nest and feeding places in the environment. A key component of the insects’ solution to this problem is an ability to determine the […]

Sensory systems and neural mechanisms involved in salmon homing

DITTMAN, A.H.: Sensory systems and neural mechanisms involved in salmon homing Pacific salmon (Oncorhynchus spp.) are well known for their long distance homing migrations from oceanic feeding grounds back to their river of origin to spawn. During these migrations, salmon travel through a variety of habitats (e.g., oceans, estuaries, lakes, rivers) and therefore may utilize […]

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