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Simulation and experimental testing of the collision behaviour of ships with double hulls filled with particles

双壳填充颗粒船舶碰撞行为模拟与实验测试

基本信息

批准号：
268649611
负责人：
Professor Dr.-Ing. Alexander Düster
金额：
--
依托单位：
Numerische Strukturanalyse mit Anwendungen in der Schiffstechnik
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2015
资助国家：
德国
起止时间：
2014-12-31 至 2020-12-31
项目状态：
已结题

来源：
https://gepris.dfg.de/gepris/projekt/268649611?language=en
关键词：
Simulation experimental testing collision behaviour

项目摘要

The research project aims to improve the safety of ships with a double hull construction by filling them with a suitable granular material. This involves developing and validating simulation methods to increase the collision safety of double-hull vessels. For this purpose, granular materials are used to fill the cavity between the two hull layers which can also be emptied for inspection purposes. In the event that a double hulled-ship collides with another vessel, the use of the filler material increases the penetration resistance, so that a penetration -- of the counterpart's bulbous bows, for instance -- can be avoided. This would considerably reduce the risks of a collision. To evaluate the effectiveness of various granular filling materials, a multiscale simulation method combining modern particle methods and finite element methods is being developed. It will be used to simulate a collision event and examine the suitability of different granular fillers. In the proposed second period of this project the simulation methods will be further developed and applied to the computation of a real double hull structure of a vessel. This will enable us to assess the room for improvement of double hulls that are are filled with granular material. Appropriate experiments will be designed to validate the simulation and to enable a parameter identification of the material models used during the finite element analysis.

该研究项目旨在通过在双层船体结构的船舶中填充适当的颗粒材料来提高船舶的安全性。这涉及开发和验证模拟方法，以提高双壳船舶的碰撞安全性。为此目的，使用粒状材料填充两个船体层之间的空腔，该空腔也可以被清空以用于检查目的。在双层船体与另一艘船舶碰撞的情况下，填充材料的使用增加了穿透阻力，从而可以避免穿透-例如对手的球鼻船首。这将大大降低碰撞的风险。为了评估各种颗粒填充材料的有效性，正在开发一种结合现代颗粒方法和有限元方法的多尺度模拟方法。它将用于模拟碰撞事件，并检查不同颗粒填料的适用性。在本项目的第二阶段，将进一步发展模拟方法，并将其应用于船舶的真实的双层船体结构的计算。这将使我们能够评估充满颗粒材料的双层船体的改进空间。将设计适当的实验来验证模拟，并在有限元分析过程中使用的材料模型的参数识别。