ME6014 Computational fluid dynamics, Fourth year, Department of Aeronautical Engineering, First and second Units Questions.
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PART A – (10x 2 = 20 Marks)

  1. What is CFD and important applications of CFD in engineering?
  2. Write down the conservative form of the continuity equation and explain the terms involved.
  3. Distinguish between conservation and non-conservation forms of fluid flow.
  4. Write down conservative form of continuity equation and explain the terms involved.
  5. What are the basic equations of CFD?
  6. Write down the second order central mixed finite difference expression for 
  7. What is meant by species transport?
  8. What are Physical boundary conditions in CFD?
  9. What is finite different method?
  10. Distinguish between Explicit and Implicit methods


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11.  Derive the momentum equation for a viscous flow in partial differential conservation form.(16)
12.  Write down the elliptic, parabolic and hyperbolic equations as applicable to computational fluid dynamics.                                                                                                                        (16)
13.  Derive the expressions Time-averaged equations in governing equations for Turbulent Flow                                                                                                                                              (16)
14.  Derive the expressions for Turbulent–Kinetic Energy Equations                                            (16)
15.  How do you determine the accuracy of the discretization process? What are the uses and difficulties of approximating the derivatives with higher order finite difference schemes?  (16)