粒子法による船舶の波浪衝撃解析手法の開発 : 水槽試験による甲板打込水の可視化計測と数値計算検証データの取得

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Recent development of robust numerical simulation methods such as particle method enables us to simulate severe hydrodynamic impact on a ship hull caused by slamming, sloshing and shipping water. The simulated results look realistic and agree well with experiments data in quality. However, to use the newly developed technology as a design tool, validation is required. Authors are conducting a joint research project with the University of Tokyo and Yokohama National University to develop robust numerical codes for the simulation of shipping water on a running ship foredeck. As a part of this study, tank experiments were conducted to obtain experimental data for the validation. To measure shipping water flow, we applied visualization technology. Two high-speed video cameras and synchronous stroboscopic sheet light were used to take clear movies of shipping water and PIV analysis were applied to analyze the velocity field. A model ship was newly designed for the visualization. Video cameras, a mirror and a device for synchronous stroboscopic sheet light were mounted on the starboard deck and the shipping water on the portside deck was observed through the transparent rectifier plate attached along the centerline of the model. The impact pressure and loads on the deck were also measured synchronously with the video image. This paper reports experimental techniques and acquired data in this study.
独立行政法人海上技術安全研究所の論文
2007-06-29

粒子法による船舶の波浪衝撃解析手法の開発 : 水槽試験による甲板打込水の可視化計測と数値計算検証データの取得

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