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ENH: resolutionIndex: new function object to evaluate LES/DES resolution
OpenCFD would like to acknowledge and thank Prof. Ismail Celik for his contributions, elaborate suggestions and help, and critical recommendations. Highly appreciated.
Problem statement
Grid independency studies and grid
adaptation for implicit LES/DES are nontrivial
and intractable due to the inherent coupling
between spatial resolution and subgrid-scale
modelling.
Problem solution
In the literature, various metrics which do not
use any experimental or DNS data and which
is based on a single mesh were introduced.
To enable assessments for LES/DES
resolution, a single-mesh resolution index
with three submodels is introduced:
Pope (2000)'s index using turbulent kinetic
energy variables,
Celik et al. (2005) and Celik et al. (2009)'s
index using
