1.1 - Comparison with DNS
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Practice Questions
Test your understanding with targeted questions
What is the primary advantage of Direct Numerical Simulation?
💡 Hint: Think about the reason why more computations might be necessary.
What do large eddies extract energy from?
💡 Hint: Consider which aspect of the flow provides energy.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main focus of Direct Numerical Simulation (DNS)?
💡 Hint: Think about what DNS stands for.
True or False: Large Eddies are isotropic.
💡 Hint: Recall the definition of anisotropic behavior.
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Challenge Problems
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Explain how the choice of grid size in LES could impact the accuracy of simulations. What considerations must be taken into account?
💡 Hint: Think about what happens if the grid is too large or too small.
Discuss the role of turbulence models in LES. Why can't smaller eddies be resolved directly, and what complications could arise?
💡 Hint: Consider the trade-offs between computational demands and accuracy in modeling scales.
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