1. Vortex

    00:27

    from Mikael Håkansson / Added

    45 Plays / / 0 Comments

    Material transport visualised. No volumetric rendering.

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    • Vortex, top view

      00:41

      from Mikael Håkansson / Added

      31 Plays / / 0 Comments

      Velocity field

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      • Vortex, side view

        00:48

        from Mikael Håkansson / Added

        23 Plays / / 0 Comments

        Velocity field

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        • Fireball with obstacles

          00:14

          from Mikael Håkansson / Added

          25 Plays / / 0 Comments

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          • Turbulent Flow (2012) - FULL MOVIE

            39:16

            from Chaoz Productions / Added

            Winter can be relentless. Conditions can change on a dime and spoil our favorite season of the year just quickly as we can get from the top of the lift to the bottom. This is a feeling far too familiar to us in Norway. Every year is a fight to make the best of the cards we’re dealt, a battle against the will of the heavens to reap the benefits of our beloved season. It’s a war that has lasted as long as the sport itself, but it’s a war we will never lose! As a celebration of the resilience of our sport, Chaoz Productions is proud to present their fifth movie, “Turbulent Flow”! Come explore the Norwegian winter through the eyes of the greatest talent around as they push every aspect of modern freeskiing to its limits! From the city streets and a world-class pipe to colossal peaks and mammoth kickers, the battle rages on all fronts as Eivind Aurstad leads a cast of new and familiar faces head-on into one of the most troublesome winters ever. The Norwegian winter will always be turbulent, but we shall fight on the streets, we shall fight in the mountains, and we shall never surrender! Produced & directed by: Eivind Aurstad. Featuring: Gaute Silseth, Lars Haakon Hafsal, Dennis Risvoll, Kim Boberg, Thomas Dølplads, Walter Wood, Frederick Iliano, PC Fosse, Espen Bergh, Øystein Bråten and more. Shot on location at: Åre, Oslo, Hamar, Kåfjord, Lyngen, Stordal, Lillehammer, Alaska, Røldal and Folgefonna.

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            • Colliding blobs 2

              00:07

              from Mikael Håkansson / Added

              166 Plays / / 0 Comments

              Same as 'Colliding blobs', but with the light source placed within the smoke, showing off the volumetric effects nicely.

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              • Colliding blobs

                00:15

                from Mikael Håkansson / Added

                224 Plays / / 2 Comments

                Volumetric render of 'Colliding Flows'. Simulation domain: 320x256x192. Shading is achieved by letting light diffuse into the volumetric density field. Scattering amount is determined by local density. When converged, this process results in a 3d luminance/irradiance map (one can interpret this as a "photon" density map). This map is then used together with the density field when ray marching into the volume to produce the final image. Everything is implemented in CUDA. Simulation to produce velocity field + advection diffusion for density transport took about 5 minutes for this sequence. Volumetric rendering was more time consuming at 1hr 30 min.

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                • Colliding flows 2

                  00:21

                  from Mikael Håkansson / Added

                  24 Plays / / 0 Comments

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                  • Turbulent flow around sphere (material transport)

                    00:20

                    from Mikael Håkansson / Added

                    68 Plays / / 0 Comments

                    Reynolds number ~15,000, using diameter of sphere as characteristic length scale. Simulation domain 256x256x256 with periodic boundary conditions along horizontal direction. Simulation time 1hr 30min on quad core CPU. There is no lighting/shadowing at all here, just density added along z-axis to produce a 2d-image, resulting in something reminiscent of incandescent smoke.

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                    • FSI-PfS-1a - a experimental, turbulent fluid-structure interaction benchmark

                      00:09

                      from Andreas / Added

                      154 Plays / / 0 Comments

                      - experimental and numerical investigated fluid-structure interaction benchmark - deformation of a EPDM-rubber plate in a turbulent flow behind a cylinder at Re=30,400 - phase-averaged 2D-flow and 2D-structure measurements performed for comparison with simulations - corresponding coupled 3D LES-FSI simulation carried out reasonable results - experimental reference data available for comparison with numerical FSI methods for more information look at: hsu-hh.de/pfs/index_kVNaAyzuXg2zwhcb.html or mail to kalmbach@hsu-hh.de

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