Galilean invariance and homogeneous anisotropic randomly stirred flows
classification
❄️ cond-mat.stat-mech
hep-thphysics.flu-dyn
keywords
galileaninvariancerandomlyanisotropiccomponentsconsequencesderiveddrawn
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The Ward-Takahashi (WT) identities for incompressible flow implied by Galilean invariance are derived for the randomly forced Navier-Stokes equation (NSE), in which both the mean and fluctuating velocity components are explicitly present. The consequences of Galilean invariance for the vertex renormalization are drawn from this identity.
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