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Title: Applications of stencil-adaptive finite difference method to incompressible viscous flows with curved boundary
Authors: Ding, H.
Shu, C. 
Cai, Q.D.
Issue Date: May-2007
Citation: Ding, H., Shu, C., Cai, Q.D. (2007-05). Applications of stencil-adaptive finite difference method to incompressible viscous flows with curved boundary. Computers and Fluids 36 (4) : 786-793. ScholarBank@NUS Repository.
Abstract: This paper investigates the applicability of the stencil-adaptive finite difference method for the simulation of two-dimensional unsteady incompressible viscous flows with curved boundary. The adaptive stencil refinement algorithm has been proven to be able to continuously adapt the stencil resolution according to the gradient of flow parameter of interest [Ding H, Shu C. A stencil adaptive algorithm for finite difference solution of incompressible viscous flows. J Comput Phys 2006;214:397-420], which facilitates the saving of the computational efforts. On the other hand, the capability of the domain-free discretization technique in dealing with the curved boundary provides a great flexibility for the finite difference scheme on the Cartesian grid. Here, we show that their combination makes it possible to simulate the unsteady incompressible flow with curved boundary on a dynamically changed grid. The methods are validated by simulating steady and unsteady incompressible viscous flows over a stationary circular cylinder. © 2006 Elsevier Ltd. All rights reserved.
Source Title: Computers and Fluids
ISSN: 00457930
DOI: 10.1016/j.compfluid.2006.05.002
Appears in Collections:Staff Publications

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