On the Calculation Method of Surface Pressure Distribution of a Container Ship In Wave
Tsutomu Momoki, Toichi Fukasawa, Takeshi Kaneko
Abstract
Tsutomu Momoki, Toichi Fukasawa, Takeshi Kaneko
Abstract
To conduct a ship structural response analysis, it is very important to estimate correctly the wave force in strong nonlinear phenomena. Therefore, a method for a ship structural response analysis is proposed. The pressure distribution making the large ship motion with slamming is directly simulated by computational fluid dynamics, and the ship structural analysis is calculated using this pressure distribution. This paper reports the calculation method of the pressure acting on a hull as the first report. The proposed calculation method is validated by simulation of a forced oscillation test in waves.
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To conduct a ship structural response analysis, it is very important to estimate correctly the wave force in strong nonlinear phenomena. Therefore, a method for a ship structural response analysis is proposed. The pressure distribution making the large ship motion with slamming is directly simulated by computational fluid dynamics, and the ship structural analysis is calculated using this pressure distribution. This paper reports the calculation method of the pressure acting on a hull as the first report. The proposed calculation method is validated by simulation of a forced oscillation test in waves.
Key concepts: Slamming, Hull, Ship motions, Response amplitude operator, Container (type theory), Impact pressure, Nonlinear system, Marine engineering