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Meshing impact on numerical simulation of marine systems performance
Wu LH(吴利红); Li YP(李一平); Zhang, Huichen; Feng XS(封锡盛)
作者部门水下机器人研究室
会议名称OCEANS 2016 - Shanghai
会议日期April 10-13, 2016
会议地点Shanghai, China
会议录名称OCEANS 2016 - Shanghai
出版者IEEE
出版地Piscataway, NJ, USA
2016
页码1-5
收录类别EI ; CPCI(ISTP)
EI收录号20162902613354
WOS记录号WOS:000386521800030
产权排序1
ISSN号0197-7385
ISBN号978-1-4673-9724-7
关键词Meshing Impact Mesh Topology Ball Auv Propeller
摘要In this paper, meshing impact on numerical simulation of marine systems is investigated. Different mesh topologies, meshing spacing, meshing refining area are discussed. Different shaped bodies such as ball, AUV and complicated motion such as propeller rotating are simulated with compared meshes in the paper. And its converging time, solution accuracy, and local domain flow characters are compared in detail. The research results of mesh refining area showed that a mesh refining area near the stern is more important than that near the bow, although there are large pressure gradients at both areas. In regards to the necessary of boundary layer mesh, we find out that for a translational motion of a marine system such as surge, sway and heave, the near wall prismatic layer mesh is necessary. And the sensitivity of numerical accuracy to the spacing of the first grid point away from the wall and numbers of layers of the near wall are discussed. While for a rotational motion, such as propeller motion, numerical calculation showed that there is not necessary to construct a boundary layer mesh in the near wall.
语种英语
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文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/18775
专题水下机器人研究室
通讯作者Wu LH(吴利红)
作者单位1.Transportation Equipment and Ocean Engineering College, Dalian Maritime University, Dalian, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
推荐引用方式
GB/T 7714
Wu LH,Li YP,Zhang, Huichen,et al. Meshing impact on numerical simulation of marine systems performance[C]. Piscataway, NJ, USA:IEEE,2016:1-5.
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