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Journal of Applied Mechanics and Technical Physics

2014 year, number 3

Vibrations of a Circular Cylinder Submerged in a Fluid with a Non-Homogeneous upper Boundary

I. V. Sturova
Lavrent'ev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090 Russia
Keywords: linear wave theory, submerged cylinder vibrations, non-homogeneous upper boundary, multipole expansion method, hydrodynamic load

Abstract

The results of solving a linear problem on steady vibrations of a horizontal cylinder submerged in a fluid, whose upper boundary is partially closed by a solid lid, whereas the rest of the surface is free, are presented. Multipole and eigenfunction expansion methods are used. Reciprocity relations are derived. The added-mass and damping coefficients and the wave amplitudes on the free fluid surface are calculated.