Numerical investigations of a prestressed pontoon wall subjected to ship collision loads

Sha Yanyan; Amdahl Jorgen

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Numerical investigations of a prestressed pontoon wall subjected to ship collision loads

机译：船舶碰撞载荷下预应力浮桥壁的数值研究

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The paper presents a numerical investigation of the ship collision response for a floating pontoon. High fidelity finite element models of a container ship bow and a prestressed concrete pontoon wall are established. The effect of prestressing on the collision resistance of the pontoon is discussed. Integrated numerical simulations are conducted to study the structural deformation and energy absorption of the striking ship and the struck pontoon. The results are compared with the structural responses when a rigid ship collides with a deformable pontoon and a deformable ship collides against a rigid pontoon. Parametric studies are also carried out to investigate the effect of the pontoon wall thickness and the strength and dimension of the ship bulb. A dynamic punching shear check procedure that can be used in the preliminary design phase is proposed.

机译：本文提出了浮船浮体碰撞反应的数值研究。建立了集装箱船bow和预应力混凝土浮桥壁的高保真有限元模型。讨论了预应力对浮桥抗冲击性的影响。进行了综合数值模拟，研究了打击船和打击浮船的结构变形和能量吸收。将结果与刚性船与可变形浮桥相撞而可变形船与刚性浮桥相撞时的结构响应进行比较。还进行了参数研究，以研究浮桥壁厚以及舰船灯泡强度和尺寸的影响。提出了可以在初步设计阶段使用的动态冲切剪切检查程序。

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《Ocean Engineering》 |2019年第15期|234-244|共11页
作者
Sha Yanyan; Amdahl Jorgen;
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Norwegian Univ Sci & Technol NTNU, Dept Marine Technol, Ctr Autonomous Marine Operat & Syst AMOS, Trondheim, Norway;

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Numerical investigations of a prestressed pontoon wall subjected to ship collision loads

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