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Forum: Main CFD Forum

August 29, 2013, 08:48

Replies: 11

Inviscid Turbulent flow

Views: 5,213

Posted By FMDenaro

Ok, let's stop for a moment thinking about...

Ok, let's stop for a moment thinking about vorticity.
Consider the 1D inviscid Burgers equation

du/dt + d/dx (u^2/2) =0

This model produces what is called "Burgulence", see...

Forum: Main CFD Forum

August 28, 2013, 12:57

Replies: 11

Inviscid Turbulent flow

Views: 5,213

Posted By FMDenaro

Your comment is wellcome, further to the...

Your comment is wellcome, further to the vorticity equation for inviscid flows, the problem must be closed by BC.s and initial condition for vorticity. If no initial vorticity exists and no vorticity...

Forum: Main CFD Forum

August 28, 2013, 11:58

Replies: 11

Inviscid Turbulent flow

Views: 5,213

Posted By FMDenaro

This is not exactly true... inertial energy...

This is not exactly true... inertial energy cascade is determinated by the non-linear term that produces higher and higher wavenumbers components of the flow.
Vorticity equation exists too for...

Forum: Main CFD Forum

August 28, 2013, 03:51

Replies: 11

Inviscid Turbulent flow

Views: 5,213

Posted By FMDenaro

inviscid turbulence is a theoretical situation:...

inviscid turbulence is a theoretical situation: for zero viscosity (infinite Reynolds number) the turbulence features an energy cascade extending up to an infinite wavenumbers since the Kolomogorov...

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