江苏科技大学学报(自然科学版)
江囌科技大學學報(自然科學版)
강소과기대학학보(자연과학판)
JOURNAL OF JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE EDITION)
2014年
6期
518-523
,共6页
半潜平台%碰撞%时域耦合%外部动力学%船舶
半潛平檯%踫撞%時域耦閤%外部動力學%船舶
반잠평태%팽당%시역우합%외부동역학%선박
semi-submersible platform%collision%time domain coupled%external dynamics%ship
为了分析随机波浪作用下船舶与海洋平台碰撞的外部动力学问题,采用非线性有限元法建立其三维有限元模型,通过DYNA计算获得碰撞力的时序结果。在此基础上结合外部动力学原理,将碰撞力作为外载荷,同时考虑风、浪、流的联合作用,采用时域耦合方法应用水动力软件AQWA对半潜式海洋平台进行水动力性能数值计算。
為瞭分析隨機波浪作用下船舶與海洋平檯踫撞的外部動力學問題,採用非線性有限元法建立其三維有限元模型,通過DYNA計算穫得踫撞力的時序結果。在此基礎上結閤外部動力學原理,將踫撞力作為外載荷,同時攷慮風、浪、流的聯閤作用,採用時域耦閤方法應用水動力軟件AQWA對半潛式海洋平檯進行水動力性能數值計算。
위료분석수궤파랑작용하선박여해양평태팽당적외부동역학문제,채용비선성유한원법건립기삼유유한원모형,통과DYNA계산획득팽당력적시서결과。재차기출상결합외부동역학원리,장팽당력작위외재하,동시고필풍、랑、류적연합작용,채용시역우합방법응용수동력연건AQWA대반잠식해양평태진행수동력성능수치계산。
In order to explore the external dynamic mechanism of the collision between ship and offshore platform under the random wave, non-linear finite element method was used to establish the three-dimensional finite ele-ment model of semi-submersible platform and supply ship stern.The sequential results of collision force were ob-tained by DYNA.And on the basis, the hydrodynamic performance of the semi-submersible platform was ob-tained by AQWA under the collision force, flow, wind and waves.