Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0045-7825(03)00267-6
Title: Implementation of multi-grid approach in domain-free discretization method to speed up convergence
Authors: Wu, Y.L. 
Shu, C. 
Qiu, J.
Tani, J.
Keywords: Domain free discretization
Eccentric annuli
MG-DFD
Multi-grid
Natural convection
Stream function-vorticity formulation
Issue Date: 23-May-2003
Source: Wu, Y.L.,Shu, C.,Qiu, J.,Tani, J. (2003-05-23). Implementation of multi-grid approach in domain-free discretization method to speed up convergence. Computer Methods in Applied Mechanics and Engineering 192 (20-21) : 2425-2438. ScholarBank@NUS Repository. https://doi.org/10.1016/S0045-7825(03)00267-6
Abstract: Domain free discretization method was presented recently to solve irregular domain problems without introduction of coordinate transformation. As an effective solver for problems with complex domain, this method can be combined with other advanced numerical technologies, such as multi-grid, to make it more effective and find more applications. This paper is one of a series of papers to explore new variants of DFD. It presents the multi-grid version of DFD method, the MG-DFD method. The MG-DFD method was validated by its application to solve Poisson equation and simulation of the natural convection in a vertical eccentric annuli governed by stream function-vorticity formulation. Numerical examples show that MG can greatly accelerate the convergence speed. © 2003 Elsevier Science B.V. All rights reserved.
Source Title: Computer Methods in Applied Mechanics and Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/60490
ISSN: 00457825
DOI: 10.1016/S0045-7825(03)00267-6
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