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2d gresho vortex cfd simulation
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About the 2D Gresho Vortex CFD Simulation Project
This simulation shows a 2D low-Mach Gresho vortex computed with NumericalAI (https://numericalai.net/). The flow is initialized in a periodic unit square with a smooth, radially symmetric vortex centered at (0.5,0.5), serving as a standard benchmark for assessing low-Mach accuracy and numerical dissipation. The first image presents contours of πΌπ1, where small deviations from uniformity reveal compressibility and discretization effects concentrated near the vortex core. The second image shows pressure contours, highlighting the characteristic low-pressure center and surrounding high-pressure ring of the Gresho vortex. The preserved symmetry and sharpness indicate effective low-Mach correction and high-order WENO reconstruction for nearly incompressible flows.
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January 24th, 2026 Uploaded
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