Structural modeling
From CFD-Wiki
(Difference between revisions)
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- | Those that use the physical hypothesis of scale similarity | + | 1. Those that use the physical hypothesis of scale similarity |
:<math> | :<math> | ||
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- | Those derived by formal series expansions | + | 2. Those derived by formal series expansions |
:<math> | :<math> | ||
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</math> | </math> | ||
- | Mixed models, which are based on linear combinations of the eddy-viscosity and structural types | + | 3. Mixed models, which are based on linear combinations of the eddy-viscosity and structural types |
:<math> | :<math> | ||
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</math> | </math> | ||
- | Dynamic structure models (non-viscosity version) | + | 4. Dynamic structure models (non-viscosity version) |
:<math> | :<math> | ||
\tau_{ij} = 2k_{sgs} \left(\frac{L_{ij}}{L_{kk}}\right) | \tau_{ij} = 2k_{sgs} \left(\frac{L_{ij}}{L_{kk}}\right) | ||
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\tau_{ij} = 2k_{sgs} \left(\frac{G_{ij}}{G_{kk}}\right) | \tau_{ij} = 2k_{sgs} \left(\frac{G_{ij}}{G_{kk}}\right) | ||
</math> | </math> | ||
+ | |||
+ | == References == | ||
+ | |||
+ | *{{reference-paper|author=R. A. Clark and J. H. Ferziger and W. C. Reynolds|year=1979|title=Evaluation of subgrid-scale models using an accurately simulated turbulent flow|rest=J. Fluid Mech.}} |
Revision as of 20:03, 25 June 2013
1. Those that use the physical hypothesis of scale similarity
2. Those derived by formal series expansions
3. Mixed models, which are based on linear combinations of the eddy-viscosity and structural types
or
4. Dynamic structure models (non-viscosity version)
or
References
- R. A. Clark and J. H. Ferziger and W. C. Reynolds (1979), "Evaluation of subgrid-scale models using an accurately simulated turbulent flow", J. Fluid Mech..