An immersed boundary-lattice boltzmann flux solver in a moving frame to study three-dimensional freely falling rigid bodies

详细信息    查看全文

• 作者：Y. Wang^a ; C. Shu^a ; ^{mpeshuc@nus.edu.sg} ; L.M. Yang^b ; C.J. Teo^a
• 关键词：Immersed boundary method ; Lattice Boltzmann method ; Lattice Boltzmann flux solver ; Fluid-structure interaction ; Freely falling disk
• 刊名：Journal of Fluids and Structures
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：68
• 期：Complete
• 页码：444-465
• 全文大小：2622 K
• 卷排序：68

文摘

An immersed boundary-lattice Boltzmann flux solver is proposed in the ALE framework for 3D freely falling problems; It extends the applicability of fixed grid-based IBMs and reduces considerable computational efforts; As compared with conventional ALE approaches, the re-meshing process is avoided; It considers the fluid-structure interactions with six degree of freedom. It is successfully applied for simulating 3D freely falling disk in an open flow domain, which seems to be the first work by IBM.