The attempt to use wavy cylinders in the offshore industry is bio-inspired from the vibrissa of the harbor seal vibrissa. The ability to detect the prey in worse conditions by the seal vibrissa is due to the sensitivity of the wavy cylinder to the wakes of the prey. A clear understanding of the flow physics of the stationary wavy cylinder and its vortex-induced vibrations in a uniform flow, as well as the non-uniform flow, has to be studied in detail for venturing into the applications in offshore industry. In the present numerical study, the unsteady flow physics and the force variation due to the wavy nature of the stationary cylinder is studied in detail. The Reynolds number considered for the study is 100. The geometry of the cylinder is parametrized by the wavelength X, wave amplitude a, and mean diameter. Dm of the cylinder sinusoidal curve. The Results are presented for the non-dimensional parameter X/D„, varying between 3.5 and 9. The wave amplitude along the span of the cylinder for the numerical investigation has been fixed to 0.1. A detailed analysis based on the pressure variation along the span of the wavy cylinder and it's near flow features is done and an explanation is provided for the source of force in the paper.
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