[Nek5000-users] Linear Advection Equation

nek5000-users at lists.mcs.anl.gov nek5000-users at lists.mcs.anl.gov
Sat Feb 28 09:24:31 CST 2015


Dear Users,

Is there a way to solve a linear advection equation in nek5k without
computing the Navier-Stokes equations?  I am simply interested in advecting
a profile according to the following:

D(phi)/Dt = d (phi) /dt +  v*.*grad(phi)= 0

where v*.*grad(phi) = u.d(phi)/dx + v.d(phi)/dy + w.d(phi)/dz

and v is a prescribed velocity (for example v = (1,1) in 2D)

Best,

Saumil
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