Motion Analysis of a Double-Articulated Submerged Sphere and Column in Regular Waves and Current

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  • 2関節没水球および円柱の波浪中の運動
  • 2 カンセツ ボッスイキュウ オヨビ エンチュウ ノ ハロウ チュウ ノ ウンドウ

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Abstract

An estimation of motion of a double-articulated submerged sphere and column in regular waves and current is presented. Submerged bodies, use column a small buoyancy in the down part, sphere and column a large buoyancy in the upper part. In the absence current, we carried out the calculation by neglecting and considering the constant component in the velocity of fluid particle and compared with the calculated results. A summary agreement is show for the amplitude of pitch motion except for the resonance around. The contribution to pitch motion due to constant component in the velocity of fluid particle is negligible even in the case with current.

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