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February 14, 2014 NASA Test Cases - Continued

February 14, 2014 NASA Test Cases - Continued. NACA4412. Difference in Cd between 40000 dof and 20000 dof ~ 5e-05. Near Wake. Difference in Cd between 40000 dof and 20000 dof ~ 2e-04. Plot2D Results NACA4412. Near Wake. Some Conclusions.

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February 14, 2014 NASA Test Cases - Continued

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  1. February 14, 2014NASA Test Cases - Continued

  2. NACA4412

  3. Difference in Cd between 40000 dof and 20000 dof ~ 5e-05

  4. Near Wake

  5. Difference in Cd between 40000 dof and 20000 dof ~ 2e-04

  6. Plot2D ResultsNACA4412

  7. Near Wake

  8. Some Conclusions • NACA4412 – with adaptation and P2, we can obtain convergence for Cd and Cl with only about 15,000 dof. Without adaptation and P2, convergence occurs at about 40,000 dof. • Near Wake – Results are inconclusive because lift and drag aren’t converging

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