Forced oscillations of a cylinder in the flow of viscoelastic fluids
Umang N. Patel,
Jonathan P. Rothstein,
Yahya Modarres-Sadeghi
Abstract:We investigate the effects of fluid elasticity on the flow forces and the wake structure when a rigid cylinder is placed in a viscoelastic flow and is forced to oscillate sinusoidally in the transverse direction. We consider a two-dimensional, uniform, incompressible flow of viscoelastic fluid at
$Re=100$
, and use the FENE-P model to represent the viscoelastic fluid. We study how the flow forces and the wake patterns change as the amplitude of oscillations,
$A^*$
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