Digital Library of Zielona Góra contains 9 272 digital objects
Object
Title: The effect of multigrid parameters in a 3D heat diffusion equation
Creator:
Oliveira, Fabiane de ; Franco, Sebastiao Romero ; Villela Pinto, Marcio
Date:
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Abstract:
The aim of this paper is to reduce the necessary CPU time to solve the three-dimensional heat diffusion equation using Dirichlet boundary conditions. The finite difference method (FDM) is used to discretize the differential equations with a second-order accuracy central difference scheme (CDS). ; The algebraic equations systems are solved using the lexicographical and red-black Gauss-Seidel methods, associated with the geometric multigrid method with a correction scheme (CS) and V-cycle. Comparisons are made between two types of restriction: injection and full weighting. The used prolongation process is the trilinear interpolation. This work is concerned with the study of the influence of the smoothing value (v), number of mesh levels (L) and number of unknowns (N) on the CPU time, as well as the analysis of algorithm complexity.
Publisher:
Zielona Góra: Uniwersytet Zielonogórski
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DOI:
Pages:
Source:
IJAME, volume 23, number 1 (2018)
Language:
License:
License CC BY-NC-ND 4.0:
Rights:
Biblioteka Uniwersytetu Zielonogórskiego
Object collections:
- Repository > Faculties > Faculty of Mechanical Engineering
- Repository > Types of work > Articles
- Repository > Scientific journals and UZ publishing series > International Journal of Applied Mechanics and Engineering (IJAME) > International Journal of Applied Mechanics and Engineering (IJAME) (2018)
Last modified:
Jul 6, 2023
In our library since:
Mar 31, 2023
Number of object content hits:
141
All available object's versions:
https://zbc.uz.zgora.pl/repozytorium/publication/80064
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Show description in OAI-PMH format:
| Edition name | Date |
|---|---|
| The effect of multigrid parameters in a 3D heat diffusion equation | Jul 6, 2023 |
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