CFD Flocculation Tank 3D Simulation Meeting Minutes
Fall 2008 Minutes
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
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
- Need to run 3D simulations with periodic boundary conditions to compare with the 2D model
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