海上观测平台运动特性的数值模拟

来源 :第十七届中国国际船艇展暨高性能船学术报告会 | 被引量 : 0次 | 上传用户:ydzdems
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  海上观测平台长期在海上作业,对抵抗海浪的能力有较高要求,研究海上观测平台的运动特性可为其设计提供重要参考。本文对一艘三体式海上观测平台在不同入射波作用下的运动进行数值模拟,得到了平台运动特性和所受载荷时历曲线,并对运动和所受载荷幅值随入射波波高和波长的变化情况进行了比较分析。本文计算均使用基于OpenFOAM自主开发的naoe—Foam-SJTU求解器完成,通过有限体积法数值离散流体控制方程,采用VOF方法处理自由面,应用PISO算法对速度和压力解耦,并通过动网格技术来模拟平台的运动情况。
其他文献
  The overall performance of the trimaran ship is compared with the conventional ships in this paper.The application fields are also studied.And then the main
  More attentions have been paid to pentamaran because of their excellent performance.In this paper, a pentamaran composed ofa 3100TEU monohull container ship
  By installing the anti-wave fin in the center hull bow side wall near free surface, the high speed trimaran resistance is reduced and the spray around the o
  The attitude of the seaplane at the takeoff stage is an important factor determining the hydrodynamic stability, this paper comprehensively analyzes the res
  Large surface combat ships play more important roles in the 21th century.For the long service lifetime and big machine power of the large surface combat shi
  Working at sea for most of the time, offshore observation platforms require high ability to resist waves.Investigation on the motion characteristics of the
  IMO proposed the EEDI conception, which takes the ship design into a new era of idea and technology innovation.This article gives us a ideal, which is a com
会议
  Some research work on energy savings for a sailassisted 76,000 DWT Bulk Carrier operating on the route of Hong Kong-Yokohama was carried out in this paper b
  在水中的浮体结构的阻抗反应了其湿结构系统本身的固有特性。采用商用结构分析软件可以直接计算结构的机械阻抗。但商用软件分析时,很难精确考虑到浮体结构的附连水的影响