Download JNTU M.TECH 2-Semester COMPUTATIONAL FLUID DYNAMICS JULY/AUG-2006 Exam Question Paper

Code No: 53206/MT
M.Tech. II-Semester Examinations, July/August-2006.

COMPUTATIONAL FLUID DYNAMICS
(Common to Machine Design and CAD/CAM)
Time: 3 hours Max. Marks: 60

Answer any FIVE questions
All questions carry equal marks

- – -
1. Explain the finite difference method for any governing equation
with a suitable boundary conditions.

COMPUTATIONAL FLUID DYNAMICS-july-aug-2006

3. Explain the term consistency in numerical schemes and in detail
explain the behavior of errors and analyze them.

4. Explain incompressible Reynolds Averaging Navier Stokes equation
and write a note on averaging of property.

5. Describe in brief at least two techniques that are used to accelerate
the convergence of the solution of unsteady Euler’s equation to
steady state.

6. Using Taylor’s expansion verify that the cell centered finite volume
descretisation gives a second order accurate partial derivative at a
point in 2-dimensional space for a uniform grid.

7. Discuss any two standard variational methods to handle transient
fluid flow problems.

8. Write a short notes on:
(a) Direct Method with Gauss Elimination
(b) Implicit scheme
(c) Von Neumann stability analysis.

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