NON-ITERATIVE DOMAIN DECOMPOSITION METHOD FOR THE CONVECTION–DIFFUSION EQUATIONS WITH NEUMANN BOUNDARY CONDITIONSNON-ITERATIVE DOMAIN DECOMPOSITION METHOD FOR THE CONVECTION–DIFFUSION EQUATIONS WITH NEUMANN BOUNDARY CONDITIONS
- Other Titles
- NON-ITERATIVE DOMAIN DECOMPOSITION METHOD FOR THE CONVECTION–DIFFUSION EQUATIONS WITH NEUMANN BOUNDARY CONDITIONS
- Authors
- 전윤배
- Issue Date
- Jan-2024
- Publisher
- 영남수학회
- Keywords
- Convection--diffusion equation; Domain decomposition; Finite difference method; Neumann condition; Efficiency
- Citation
- East Asian Mathematical Journal, v.40, no.1, pp 109 - 118
- Pages
- 10
- Journal Title
- East Asian Mathematical Journal
- Volume
- 40
- Number
- 1
- Start Page
- 109
- End Page
- 118
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/26589
- DOI
- 10.7858/eamj.2024.009
- ISSN
- 1226-6973
2287-2833
- Abstract
- This paper proposes a numerical method based on domain decomposition to find approximate solutions for one-dimensional convection–diffusion equations with Neumann boundary conditions. First, the equations are transformed into convection–diffusion equations with Dirichlet conditions. Second, the author introduces the Prediction/Correction Domain Decomposition (PCDD) method and estimates errors for the interface prediction scheme, interior scheme, and correction scheme using known error estimations. Finally, the author compares the PCDD algorithm with the fully explicit scheme (FES) and the fully implicit scheme (FIS) using three examples. In comparison to FES and FIS, the proposed PCDD algorithm demonstrates good results.
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