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This video showcases my third attempt at generating a vortex street behind a NACA 4-digit airfoil. The airfoil is pitched to a nose-up orientation, corresponding to an Angle of Attack (AoA) of 30 degrees. For this iteration, I have improved the rendering of particles by using sprites, making them visually more smooth.

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This video showcases my second attempt at generating a vortex street behind a NACA 4-digit airfoil. The airfoil is pitched to a nose-up orientation, corresponding to an Angle of Attack (AoA) of 30 degrees. For this iteration, I have used a higher value of 'max camber' variable for a more pronounced vortex shedding simulation.

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This video presents a frame capture of a Lattice Boltzmann simulation illustrating the formation of von Kármán vortex streets behind a cylindrical bluff body. OpenGL-based particle rendering is used to enhance the visual representation of the flow dynamics.

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Lattice Boltzmann simulation wherein a NACA 4 Airfoil is pitched to a nose-up orientation corresponding to a 30 degrees Angle of Attack. This allows vortex shedding characteristics observation inside the numerical wind tunnel.

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Smoke 

© Nur Uretmen

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Smoke series 

© Nur Uretmen

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© Nur Uretmen

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Vortex Street Harmony II

This simulation is one of the first of mine to feature a complete abyss of Finite Difference Method derivative computation, having now been replaced by the FFT accelerated Spectral derivatives that are suitable for aperiodic boundary condition.

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by Kate Jarvik Birch @ Instagram

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Frontispiece for In Northern Mists: Arctic Exploration in Early Times by Fridtjof Nansen (1911)

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Symphonie cosmique   -  Photography by François Tondeur

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When We Dreamed Our Names

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Urge

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Right now Lissajous figures on an oscilloscope have been on my mind, ever since I found a scope at work.  If you have a 2-channel scope nearby, route this to it, and set it for X/Y mode and it will render the same thing in the video.  It also sounds awesome.