Animating turbulent water by vortex shedding in PIC/FLIP
文献类型：期刊论文
| 作者 | Zhu, Jian (1) ; Liu, YouQuan (3) ; Chang, YuanZhang (1) ; Wu, EnHua (1) |
| 刊名 | Science China Information Sciences
 |
| 出版日期 | 2013 |
| 卷号 | 56期号:3页码:1-11 |
| 关键词 | physically based fluid simulation turbulence vortex shedding vortex particle PIG/FLIP |
| ISSN号 | 1674733X |
| 通讯作者 | Zhu, J.(rockeyzhu1122@gmail.com) |
| 中文摘要 | In this paper, we present a hybrid method, which integrates PIC/FLIP and vortex particle methods into a unified framework, to efficiently simulate vortex shedding that happens when fluids flow around internal obstacles. To improve efficiency and reduce the numerical dissipations, we first solve the governing equations on a coarse grid using PIC/FLIP, and then interpolate the intermediate results to a finer grid to obtain the base flow. When the regular particles in PIC/FLIP enter the boundary layer, if the specified conditions are satisfied to cause vortex shedding, they are selected as vortex particles by assigning additional vorticity related attributes. The vortex particle dynamics are controlled by the vorticity form of NS equations, and several efficient methods are proposed to solve them on the finer grid. Finally, the obtained turbulence flow is added to the base flow. As a result, we are able to simulate turbulent water with rich wake details around the internal obstacles. © 2013 Science China Press and Springer-Verlag Berlin Heidelberg. |
| 英文摘要 | In this paper, we present a hybrid method, which integrates PIC/FLIP and vortex particle methods into a unified framework, to efficiently simulate vortex shedding that happens when fluids flow around internal obstacles. To improve efficiency and reduce the numerical dissipations, we first solve the governing equations on a coarse grid using PIC/FLIP, and then interpolate the intermediate results to a finer grid to obtain the base flow. When the regular particles in PIC/FLIP enter the boundary layer, if the specified conditions are satisfied to cause vortex shedding, they are selected as vortex particles by assigning additional vorticity related attributes. The vortex particle dynamics are controlled by the vorticity form of NS equations, and several efficient methods are proposed to solve them on the finer grid. Finally, the obtained turbulence flow is added to the base flow. As a result, we are able to simulate turbulent water with rich wake details around the internal obstacles. © 2013 Science China Press and Springer-Verlag Berlin Heidelberg. |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:000318197000002 |
| 公开日期 | 2014-12-16 |
| 源URL | [http://ir.iscas.ac.cn/handle/311060/16942]  |
| 专题 | 软件研究所_软件所图书馆_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhu, Jian ,Liu, YouQuan ,Chang, YuanZhang ,et al. Animating turbulent water by vortex shedding in PIC/FLIP[J]. Science China Information Sciences,2013,56(3):1-11. |
| APA | Zhu, Jian ,Liu, YouQuan ,Chang, YuanZhang ,&Wu, EnHua .(2013).Animating turbulent water by vortex shedding in PIC/FLIP.Science China Information Sciences,56(3),1-11. |
| MLA | Zhu, Jian ,et al."Animating turbulent water by vortex shedding in PIC/FLIP".Science China Information Sciences 56.3(2013):1-11. |
入库方式： OAI收割
来源：软件研究所
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