GUTS OF CFD: Navier Stokes Equations

  Рет қаралды 28,433

DMS | Marine Consultant

DMS | Marine Consultant

Күн бұрын

Пікірлер: 9
@aion2177
@aion2177 5 жыл бұрын
thanks for being such a huge nerd :)) going to watch part 2 now :)
@9090Glenn
@9090Glenn 5 жыл бұрын
you can have cavitation occur within a flow field which would make the fluid "vanish" in a volume of space within the control volume
@nobody46820
@nobody46820 5 жыл бұрын
Oh good grief! Nightmares of physics past! Love it!
@markoj3512
@markoj3512 5 жыл бұрын
At 7.56 the continuity equation is wrong. the correct form for the unsteady term ist "d rho / d t" and not "D rho / D t"! the diferentantial operator with the capital d include also the convective term. And for the continuity equation you don't need it! Maybe you are mixing eulerarian and langrangian framework. Be consicely
@beachboardfan9544
@beachboardfan9544 5 жыл бұрын
This was great, short and sweet 👍
@markoj3512
@markoj3512 5 жыл бұрын
Sorry but your equation ist wrong! At 7.25 you are mixing tensor notation with index notation. the term rho Du/Dt = du/dt + udu + u*dv. also the Laplace term is not correct. Please Leupold this video with the correct and consize notation.
@shaider1982
@shaider1982 5 жыл бұрын
I guess I need to brush up on my Continuum Mechanics👍
@DatawaveMarineSolutions
@DatawaveMarineSolutions 5 жыл бұрын
Yes and no. I can tell you most CFD engineers do not have Navier Stokes memorized. I sure don't. I would argue that with most CFD, it's important to have a conceptual understanding of the theory, and be able to reference back to theory for a quick refresher when debugging a simulation. The exception to this are the people who actually program the CFD software.
@aarongettingup
@aarongettingup 3 жыл бұрын
Outstanding , Thank You :)
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