Studies of accurate multi-component lattice Boltzmann models on benchmark cases required for engineering applications
| Autor: | Ilya Staroselsky, Hudong Chen, Raoyang Zhang, Marco Dressler, Hongli Fan, Hiroshi Otomo, Yong Li |
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| Jazyk: | angličtina |
| Rok vydání: | 2016 |
| Předmět: |
General Computer Science
Fluid Dynamics (physics.flu-dyn) Lattice Boltzmann methods FOS: Physical sciences Physics - Fluid Dynamics Solver 01 natural sciences 010305 fluids & plasmas Theoretical Computer Science Computational science Physics::Fluid Dynamics Flow (mathematics) Robustness (computer science) Modeling and Simulation Viscosity (programming) Component (UML) 0103 physical sciences Benchmark (computing) 010306 general physics Spurious relationship Simulation Mathematics |
| Popis: | We present recent developments in lattice Boltzmann modeling for multi-component flows, implemented on the platform of a general purpose, arbitrary geometry solver PowerFLOW. Presented benchmark cases demonstrate the method's accuracy and robustness necessary for handling real world engineering applications at practical resolution and computational cost. The key requirements for such approach are that the relevant physical properties and flow characteristics do not strongly depend on numerics. In particular, the strength of surface tension obtained using our new approach is independent of viscosity and resolution, while the spurious currents are significantly suppressed. Using a much improved surface wetting model, undesirable numerical artifacts including thin film and artificial droplet movement on inclined wall are significantly reduced. |
| Databáze: | OpenAIRE |
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