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Sea Sponge CFD

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The Venus's flower basket sea sponge has a porous skeleton wrapped with helical ridges.

Numerical simulation of flow through and around the sea sponge model, showing streaklines of the flow colored by velocity magnitude.

Comparison of vorticity behind a solid cylinder (top) and a porous one (bottom). Note the large quiescent region behind the porous sponge-like cylinder.

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