navier-stokes: the beginning

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Uploaded by on Nov 22, 2007

navier-stokes: the beginning

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  • The flow you show has seperation. I thought that once seperation occurs you can no longer rely on the Navier-Stokes equations.

  • @jojodi I suppose it would be better, then, to say that I have a preference for the MAC grid and tetrahedral discretizations? I always thought that LBM solves the Boltzmann Equation, not the NSE, and although one may be derived from the other, I've always considered them mathematically (if not conceptually) distinct...

  • @shinWangXiao LBM is a discrete method of evolving the state of a fluid using NSE. It's not one or the other. LBM, SPH, FD, FEM, and many other methods allow people to find the evolution of a fluid over time. LBM is derived through a multi-scale expansion of the NSE.

  • yes, indirectly, it was done solving the NS equations.

  • NSE would cause lot of trouble during the mixture procedure of the water flow and the waves in lower left corner (two-phase transition with "air" or whatever obove)

    Looks great, though : )

  • ok... :|

  • "navier-stokes"

    Where's mah fuckin R in strokes?

  • Definitely not using NSEs... it looks a lot like Blender which uses (last I checked) the Lattice-Boltzmann Method... I don't think the poster is claiming that this IS an NSE simulation though, just the title of this particular work...

  • great

  • Blender 3d?

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