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THREE HELICAL VORTICES : DYNAMICS AND INSTABILITY

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We consider the dynamics of three helical vortices using a DNS code with built-in helical symmetry which allows to reach
higher Reynolds numbers The dynamical evolutions of these three-dimensional vortices are presented according to helix pitch of the
system.

Author(s):

Maurice Rossi    
D'ALEMERT-CNRS-UPMC
France

Ivan Delbende    
LIMSI-CNRS-UPMC
France