۸ 00000A.0401121901 Pages: 2

Reg No.: Name:
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY

Seventh Semester B.Tech Degree Examinations (Regular and Supplementary), December 2020

Course Code: AO401
Course Name: COMPUTATIONAL FLUID DYNAMICS
Max. Marks: 100 Duration: 3 Hours
PART A
Answer any three full questions, each carries 10 marks. Marks
1 Derive an expression for momentum equation in conservation form expressing (10)

in terms of both body and surface forces?
2 Describe in detail about source panel method for numerical solution of non- (10)
lifting flow over arbitrary bodies and hence derive an expression for coefficient

of pressure over an aerofoil.

3 Classify the following system of PDE’s (10)
du av
—+—=0
0 dy
ov du
Ox 909

where, u and v are the two dependent variables
4 9) Whatis grid generation? (2)
b) Strong conservative form of a _ governing flow equations 15 (8)
ಎ ಜ್‌ =J. For this unsteady flow in two special dimensions
with no source term. Transform this into computational plane.

PART B
Answer any three full questions, each carries 10 marks.

5 Discuss about the effect of numerical dissipation and dispersion by deriving the (10)

modified form of 1-1) wave equation.

6 Discuss the consistency of 1-D linear conduction equation (10)
eu au
‏ہے جح سے ہے‎
0६2 Ox?

7 Using Von Neumann Stability Analysis, obtain the criterion for stability of (10)

Explicit method of 1D heat equation by using FTCS scheme.

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