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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 23, 2008
Accomplishments
- Run two groups of simulations with single bend to investigate sensitivity to turbulence intensity and hydraulic radius:
- 1st order with convergence criteria of e-6, turbulence intensity:10%, hydraulic radius: 0.004;
- 1st order with convergence criteria of e-6, turbulence intensity:1%, hydraulic radius: 0.04
- Analyzed the plots of residuals
Metric
- NA
Outcomes
- Concluded that convergence property and results were not sensitive to the two parameters above
- The plots of residuals showed no observable high regional residual
Issues
- 1st order solver didn't converge below e-4, fluctuation in the tails of the residual plots were also observed
- Need to run simulation with more coarse mesh
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