INFLUENCE OF WAVE GROUP CHARACTERISTICS ON LOADS IN SEVERE SEAS
INFLUENCE OF WAVE GROUP CHARACTERISTICS ON LOADS IN SEVERE SEAS
复制标题
恶劣海域波群特性对载荷的影响
DOI：
10.1115/omae2011-49940
复制
发表时间：
2011
影响因子：
8.6
通讯作者：
M. Klein
中科院分区：
文献类型：
--
作者：
G. Clauss;M. Dudek;M. Klein
精确了解极端海况下的载荷和运动对于确保船舶和海上浮式结构的可靠性和生存是必不可少的。在过去的几十年里，几起造成灾难性后果的恶劣天气事故表明需要进一步调查。除了海况性能和局部结构荷载外，垂直弯矩是安全船舶设计的一个关键参数。以往的研究表明，不同的船舶设计标准，如船首几何形状和浪板高度，对整体载荷有显著影响。对不同艏焰和干舷高度的船舶在规则波和单高波中的研究表明，垂直弯矩随艏焰和干舷高度的增加而显著增加。此外，很明显，临界载荷和运动并不一定伴随着最高波浪，这导致了本文的主要问题：
The precise knowledge of loads and motions in extreme sea states is indispensable to ensure reliability and survival of ships and floating offshore structures. In the last decades, several accidents in severe weather with disastrous consequences have shown the need for further investigations. Besides the sea state behavior and the local structural loads, one key parameter for safe ship design is the vertical bending moment. Previous investigations revealed that different ship design criteria, such as bow geometry and wave board height, affect the global loads significantly. Investigations in regular waves as well as in single high waves of vessels with different bow flares and freeboard heights show that the vertical bending moment increases significantly with increasing bow flare and freeboard height. Furthermore it became apparent that critical loads and motions do not have to come along with the highest wave which results in the main question of this paper: