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| Content Provider | IET Digital Library |
|---|---|
| Author | Boubakran, Mohsen Soufi Mirzaee, Iraj |
| Abstract | In this study, incompressible and viscous external flow around a cylinder is simulated using the lattice Boltzmann method. The surface of cylinder is considered to be a rigid immersed body in the fluid flow. The fluid flow field is discretised by a uniform and fixed Cartesian mesh but there are difficulties in the modelling of curved boundaries. As a result, the cylinder surface is extrapolated by macroscopic properties at boundary nodes. On the other hand, to well treat with boundary condition of the cylinder surface and in the meantime, to save the computational effort, an innovation is applied in this research which solves this problem by introducing a new curved boundary condition to improve computational accuracy in lattice Boltzmann simulations. However, this method can be extended to other physical fields as well as fluid flow. The present results have been compared with the available numerical results which show good agreements. |
| Starting Page | 248 |
| Ending Page | 253 |
| Page Count | 6 |
| Volume Number | 2018 |
| e-ISSN | 20513305 |
| Issue Number | Issue 4, Apr (2018) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/joe/2018/4 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/joe.2017.0894 |
| Journal | The Journal of Engineering |
| Publisher | The Institution of Engineering and Technology |
| Publisher Date | 2018-02-15 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Aerodynamics Applied Fluid Mechanics Cartesian Mesh Computational Method Computational Technique Curved Boundary Condition Cylinder Surface External Flows Extrapolation Method Flow Simulation Fluid Flow Field Fluid Mechanics General Fluid Dynamics Theory General Shapes And Structure Improved Lattice Boltzmann Method Incompressible Flow Lattice Boltzmann Method Macroscopic Property Mechanical Engineering Navier-Stokes Equation Numerical Analysis Numerical Simulation Rigid Immersed Body Shapes (Structure) Simulation Viscous External Flow |
| Content Type | Text |
| Resource Type | Article |
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