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CFD Flocculation Tank 3D Simulation Meeting Minutes

Fall 2008 Minutes

Date

Accomplishments

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Metrics

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Outcomes

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Issues

November 30, 2008

Accomplishments

• Set up and ran simulations with coarsened mesh, the total number of cells were brought down by a factor of 2.5, the density of the mesh in x, y and z direction were in the same order of magnitude

Metric

• NA

Outcomes

• 2nd order model didn't converge with solutions with e-6 residual from the 1st order
• The model with coarse mesh converged below e-9 with 1st order solver and converged to e-6 with 2nd order solver

Issues

• The resultant contours of energy dissipation rate deviated significantly from the previous 3D models and 2D models
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