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Invidious > Channel > Nils Berglund

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YT 5 minutes 21 seconds Nils Berglund Waves colliding with a hexagonal grid YT 3 minutes 41 seconds Nils Berglund Anderson localization: randomly placed mangroves offer better tsunami protection YT 3 minutes 21 seconds Nils Berglund More on the importance of mangroves

YT 4 minutes 8 seconds Nils Berglund Wave hitting a Sierpinki carpet: evolution of the energy distribution YT 6 minutes 8 seconds Nils Berglund Waves hitting a Sierpinski carpet YT 4 minutes 1 second Nils Berglund Planar wave encountering a hexagonal grid (amplitude and energy)

YT 3 minutes 1 second Nils Berglund Soft obstacles: a wave encountering a grid of refracting circles YT 2 minutes 33 seconds Nils Berglund Wave crashing into a percolation-style random arrangement of obstacles YT 4 minutes 1 second Nils Berglund Planar wave hitting a percolation-style random arrangement of obstacles

YT 3 minutes 53 seconds Nils Berglund So long and thanks for all the fish - linear wave hitting a Poisson process of obstacles YT 3 minutes 53 seconds Nils Berglund The amplitude of the fish YT 4 minutes 45 seconds Nils Berglund Refraction (and diffraction) though a raindrop

YT 2 minutes 52 seconds Nils Berglund Refraction of a wave on region with higher propagation speed YT 2 minutes 25 seconds Nils Berglund Right as rain: Light encountering a raindrop with index of refraction 1.333 YT 1 minute 31 seconds Nils Berglund Wave protection comparison 1: square grid of obstacles vs nothing

YT 2 minutes 41 seconds Nils Berglund Wave protection comparison 2: square grid versus triangular grid YT 2 minutes 1 second Nils Berglund Wave protection comparison 3: regular vs random square grid YT 3 minutes 1 second Nils Berglund A wave protection based on the golden mean

YT 3 minutes 41 seconds Nils Berglund Wave protection comparison 4: randomized square grid vs Poisson process YT 3 minutes 55 seconds Nils Berglund Wave protection comparison 5: triangular vs "golden mean" grid YT 4 minutes 1 second Nils Berglund Collapse of a triangle lattice wave protection under waves arriving at an angle

YT 4 minutes 42 seconds Nils Berglund A "golden spiral" wave protection YT 2 minutes 13 seconds Nils Berglund Long-wavelength waves gradually destroying a randomized square grid of obstacles YT 3 minutes 1 second Nils Berglund Wave protection comparison 6: randomized square grid vs Sierpinski carpet

YT 4 minutes 4 seconds Nils Berglund A wave protection alternating square and triangular grids YT 5 minutes 25 seconds Nils Berglund Blue noise, baby's got blue noise: a Poisson disc sampling wave protection YT 3 minutes 53 seconds Nils Berglund A self-healing wave protection

YT 2 minutes 11 seconds Nils Berglund Wave protection comparison 7: "Golden spiral" versus Poisson disc sampling YT 2 minutes 13 seconds Nils Berglund Wave protection comparison 8: "golden spiral" versus Poisson disc sampling with a step input YT 4 minutes 21 seconds Nils Berglund Erosion of a wave protection

YT 1 minute 57 seconds Nils Berglund Energy evolution in a square grid wave protection YT 2 minutes 13 seconds Nils Berglund Energy evolution in a Poisson disc wave protection YT 4 minutes 17 seconds Nils Berglund Video #200: "It's alive, it's alive!" Now the mangrove trees are moving...

YT 2 minutes 29 seconds Nils Berglund Energy evolution in a randomized square grid wave protection YT 2 minutes 53 seconds Nils Berglund Energy evolution in a "golden spiral" wave protection YT 4 minutes 45 seconds Nils Berglund A moving and non-eroding mangrove

YT 3 minutes 5 seconds Nils Berglund Adding inertia: mangroves swaying in the surf YT 3 minutes 5 seconds Nils Berglund Energy evolution in a Sierpinski carpet wave protection YT 3 minutes 16 seconds Nils Berglund A mangrove with repelling trees

YT 2 minutes 35 seconds Nils Berglund Energy evolution in a triangular grid wave protection YT 3 minutes 45 seconds Nils Berglund Swaying and repelling mangroves getting destroyed by the surf YT 2 minutes 19 seconds Nils Berglund A fiery wave hitting random obstacles

YT 3 minutes 1 second Nils Berglund Waves hitting a randomized square grid of hexagons YT 3 minutes 25 seconds Nils Berglund Wave protection comparison 9: square grid of triangles vs square grid of circles YT 2 minutes 35 seconds Nils Berglund Wave protection comparison 10: triangles pointing right vs triangles pointing left

YT 1 minute 45 seconds Nils Berglund Wave protection comparison 11: triangles on a triangular grid vs triangles on a square grid YT 2 minutes 25 seconds Nils Berglund Wave protection comparison 12: triangles pointing right vs randomly rotated triangles YT 2 minutes 45 seconds Nils Berglund Wave protection comparison13: Triangle pointing right vs gradually rotated triangles

YT 2 minutes 17 seconds Nils Berglund Wave protection comparison14: the effect of nonuniform horizontal spacings YT 3 minutes 3 seconds Nils Berglund Wave protection comparison 15: Left vs right-pointing triangles on a triangular grid YT 3 minutes 13 seconds Nils Berglund Wave protection comparison 16: nonuniformly spaced triangles with two opposed directions

YT 2 minutes 17 seconds Nils Berglund A triangular grid wave protection, 3D plot YT 2 minutes 9 seconds Nils Berglund A randomized square grid wave protection, 3D plot YT 6 minutes 9 seconds Nils Berglund 3D waves flowing over Sierpinski carpets

YT 3 minutes 1 second Nils Berglund Waves escaping a grid of triangles on concentric rings YT 3 minutes 4 seconds Nils Berglund Waves escaping concentric rings of randomly rotated triangles YT 3 minutes 9 seconds Nils Berglund [Epilepsy warning] 3D view of the response of a Poisson disc coastal protection to a chirp

YT 3 minutes 9 seconds Nils Berglund [Epilepsy warning] 3D view of the response of a triangular grid coastal protection to a chirp YT 2 minutes 49 seconds Nils Berglund [Epilepsy warning] Wave protection comparison17: Effect of a chirp on regular and random grids YT 53 seconds Nils Berglund Wave meets triangular grid of triangles

YT 1 hour 42 minutes 57 seconds Nils Berglund Video #1000: A look back at some milestones YT 10 minutes 41 seconds Nils Berglund [Flash warning] Classics revisited: A rotated Sierpinski wave protection YT 10 minutes 41 seconds Nils Berglund [Flash warning] A refracting rotated Sierpinski wave protection

YT 5 minutes Nils Berglund [Flash warning] How well does a Sierpinski carpet separate wavelengths? YT 4 minutes Nils Berglund Energy flow through a Sierpinski carpet, in 3D - log scale YT 3 minutes 40 seconds Nils Berglund Energy flow through a Sierpinski carpet, in 3D - linear scale

YT 2 minutes 25 seconds Nils Berglund Waves of two different frequencies crossing a hexagonal lattice YT 2 minutes 49 seconds Nils Berglund Waves of two different frequencies crossing a Poisson disc lattice YT 2 minutes 49 seconds Nils Berglund Waves of two different frequencies crossing a "sunflower" lattice

YT 2 minutes 33 seconds Nils Berglund Waves of two different frequencies crossing a regular square lattice YT 3 minutes 6 seconds Nils Berglund Waves of two different frequencies crossing a randomized square lattice YT 2 minutes 49 seconds Nils Berglund Waves of two different frequencies crossing a larger regular square lattice

YT 2 minutes 41 seconds Nils Berglund When waves crossing a square lattice have a larger phase than group velocity YT 2 minutes 49 seconds Nils Berglund Waves from a point source crossing a percolation-style arrangement of obstacles YT 2 minutes 57 seconds Nils Berglund Waves crossing a less dense percolation-style arrangement of obstacles

YT 3 minutes 5 seconds Nils Berglund Waves branching through Poisson disc obstacles YT 3 minutes 5 seconds Nils Berglund Almost a branched flow: Waves crossing a finer percolation-style arrangement