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Filter (large eddy simulation)

Filtering in the context of large eddy simulation (LES) is a mathematical operation intended to remove a range of small scales from the solution to the Navier-Stokes equations. Because the principal difficulty in simulating turbulent flows comes from the wide range of length and time scales, this operation makes turbulent flow simulation cheaper by…

Homogeneous filters, Classic large eddy simulation filters & Overview

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Homogeneous filters

Convolution kernelFourier spaceFourier transformWave numberKinetic energy
6 related topics

Classic large eddy simulation filters

Spectral space
1 related topics

Overview

Large eddy simulationNavier-Stokes equationsTurbulent flowsLow-pass
4 related topics

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Homogeneous filters

Classic large eddy simulation filters

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Filter (large eddy simulation)

Nodes15
Edges14
Triples0
Avg. degree1.87
Density0.133333
Components1

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Important terminology

filter displaystyle operation scales les simulation filters filtering large eddy omega properties spatial temporal phi boldsymbol frequencies spectral field denoted

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