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Cfd simulation of a 2d gaussian acoustic pulse in water
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About the CFD Simulation of a 2D Gaussian Acoustic Pulse in Water Project
This CFD simulation models a 2D Gaussian acoustic pulse propagating through quiescent water using NumericalAI (https://numericalai.net/) in a 1cm×1cm square domain. The flow is initialized as uniform water at rest (p=1.0×105 Pa, ρ=1000 kg/m3, u=0) and evolved on a 149×149 grid using an explicit high-order compressible scheme (WENO-5 with TENO and a Riemann solver) with Δt=2×10−8s for 500 steps, saving output every 50 steps. A single acoustic source is enabled near the left side at (x,y)=(0.002,0.005) m with a finite vertical support of length 0.006 m, emitting a time-Gaussian pulse. The stiffened-gas equation of state parameters are set for water (noting the solver’s convention for γ should be verified), and the results are assessed through pseudocolor fields of pressure (pres) and x-velocity (vel1), which show the expected right-going pressure wave packet and associated velocity response emanating from the source and evolving across the domain.
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March 2nd, 2026 Uploaded
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Water, NumericalAI 2D Gaussian Acoustic Pulse Gaussian Acoustic Pulse Acoustic Pulse Gaussian Acoustic Pulse in W...
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