NDLI: An Improved Direct-Forcing Immersed Boundary Method for Fluid-Structure Interaction Simulations 1

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An Improved Direct-Forcing Immersed Boundary Method for Fluid-Structure Interaction Simulations 1

Content Provider	Semantic Scholar
Author	Zhang, Xing
Copyright Year	2013
Abstract	In the present work, we present an improved version of the direct-forcing immersed boundary (IB) method proposed in Wang and Zhang (2011, “An Immersed Boundary Method Based on Discrete Stream Function Formulation for Twoand ThreeDimensional Incompressible Flows,” J. Comput. Phys., 230(9), pp. 3479–3499). In order to obtain an accurate prediction of local surface force, measures have been taken to suppress the unphysical spatial oscillations in the Lagrangian forcing. A fluid-structure interaction (FSI) solver has been developed by using the improved IB method for the fluid and the finite difference method for the structure. Several flow problems are simulated to validate our method. The testing cases include flows over a stationary cylinder and a stationary flat plate, two-dimensional flow past an inextensible flexible filament, and threedimensional flow past a flapping flag. The results obtained in the present work agree well with those from the literature. [DOI: 10.1115/1.4026197]
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://dspace.imech.ac.cn/bitstream/311007/48289/1/V01AT08A005-FEDSM2013-16472.pdf
Alternate Webpage(s)	http://dspace.imech.ac.cn/bitstream/311007/48731/1/IMCAS-J2014051.pdf
Alternate Webpage(s)	http://expert.imech.ac.cn/hgw/files/2012-2014paper/9.pdf
Language	English
Access Restriction	Open
Subject Keyword	Circular polarization Computer simulation Cylinder seal Cytoskeletal Filaments Digital Object Identifier Finite difference method Flow Immersed boundary method Interaction Pin grid array Solver Stanford University centers and institutes Stationary process fluid flow
Content Type	Text
Resource Type	Article

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