Hydrodynamic Characteristics of a Submerged Horizontal Plate

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概要

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• We make clear the hydrodynamic characteristics of a submerged horizontal plate in this paper. According to the previous experimental studies, the submerged horizontal plate has several advantages such as the generation of steady flow and the reproduction of shorter waves. Therefore, we can expect for not only decreasing the wave-induced motions of a very large floating structure (VFLS) but also cleaning the seawater around VFLS by setting up this type of breakwater. This time, we make numerical simulations to make clear the mechanism of hydrodynamic characteristics on the submerged horizontal plates by applying the Marker and Cell method (MAC method). First, we validate the numerical method by comparing with the experimental results with respect to the transmission wave coefficients and the wave exciting forces for heave. Then we discuss the flow field around the submerged-plate. Finally we estimate the transmission wave coefficient and the hydrodynamic forces and moments acting on the submerged-plate, and discuss the effect of inclination of the submerged-plate on them.

• 2001-03-12

著者

• Takaki Mikio

  Faculty Of Engineering Hiroshima University

• NISHIKAWA Masatoshi

  Graduate School of Engineering, Hiroshima University

• Nishikawa Masatoshi

  Graduate School Of Engineering Hiroshima University

関連論文

• Combined Boundary-Integral Equations Method for Ship Motions in Waves
• A B-Spline Element Method for Predicting the Hydroelastic Responses of a Very Large Floating Structure in Waves
• Effects of Connecting Condition on Motions of Huge Floating Structures in Waves
• Motions of a Floating Elastic Plate in Waves
• Motions of a Floating Elastic Plate in Waves (2nd Report) : Γ-Shaped Structure and Pre-Connecting Condition
• Hydrodynamic Characteristics of a Submerged Horizontal Plate
• A B-Spline Type Direct Method for Predicting the Wave-Induced Motion of a Very Large Floating Structure

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