[HN Gopher] Simulating Wind on Procedural Terrain Using Lattice ...
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       Simulating Wind on Procedural Terrain Using Lattice Boltzmann
       Method
        
       Author : dmit
       Score  : 98 points
       Date   : 2022-10-09 00:11 UTC (2 days ago)
        
 (HTM) web link (nickmcd.me)
 (TXT) w3m dump (nickmcd.me)
        
       | volkse wrote:
       | There is a youtube series with a coder doing this sort of thing
       | that is absolutely amazing:
       | https://m.youtube.com/watch?v=eaXk97ujbPQ
        
       | carabiner wrote:
       | I'd like to see validation of these results with a traditional
       | numerical meteorological model like WRF at microscales, or
       | relative to actual measured winds from a wind farm. If accurate,
       | it could be dramatically faster than the typical NS solvers.
        
       | carabiner wrote:
       | There's a guy who tested his own LBM solver on a space shuttle
       | model https://www.youtube.com/watch?v=5AzxwQpng0M at 60x higher
       | resolution than the largest Space Shuttle CFD simulation ever
       | done by NASA. Took 6 hours to calculate on an academia GPU setup.
       | 
       | Edit: He also says it's full engineering accuracy, not cheap CGI
       | CFD that only has to look plausible. You could extract pressures,
       | forces from the surfaces and use it for analysis. He's done
       | extensive validation for his academic work.
        
         | 101008 wrote:
         | I hope advances in this field would help to reduce turbulence
         | in passangers flights.
        
         | blevin wrote:
         | Project code here: https://github.com/ProjectPhysX/FluidX3D
        
       | atoav wrote:
       | One of my favourite wind implementations (both visually and from
       | a game design standpoint) has been the winds in Ghost of
       | Tsushima, there is a interesting talk/video with the developer
       | who worked on it.
       | https://www.gamedeveloper.com/api/redirects?to=/gdc2021
       | 
       | The way they decided to use the wind to guide players to the next
       | point of interest is also an interesting concept in the minimap-
       | plagued open world genre.
        
         | Folcon wrote:
         | Slides of talk being referenced[0], not managed to find the
         | video yet.
         | 
         | -[0]: https://www.gdcvault.com/play/1027124/Blowing-from-the-
         | West-...
        
       | hwers wrote:
       | This is extremely well written
        
       | mhh__ wrote:
       | LBM is fascinating, an informatively different route to a fluid
       | solver
        
       | metabagel wrote:
       | Has anyone done this for fabric sails on a sailboat?
        
         | irsagent wrote:
        
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       (page generated 2022-10-11 23:00 UTC)