抄録
Floating roofs are used in large cylindrical storage tanks to prevent evaporation of oil. The single-deck floating roof considered herein consists of a thin circular plate, referred to as a ”deck”, attached to a buoyant ring with a hollow rectangular cross section referred to as a ”pontoon”. The deck plate is deformed to be created waves and is subjected to cyclic bending due to the wind load. Since this leads to the initiation of fatigue cracks at the welded joints, it is important to understand the wave characteristics in the deck plate. The authors reported a computational fluid dynamics (CFD) analysis and a sloshing response analysis of a cylindrical storage tank with the single-deck floating roof under a wind load in three another papers. In this paper, the vibration characteristics of the wave in the deck plates is described according to the previous three papers.
