B.TechSemester 62024-25Computational Fluid DynamicsBME062
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Computational Fluid Dynamics (BME062) - AKTU Question Paper 2024-25

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Computational Fluid Dynamics Previous Year Question Paper for B.Tech Semester 6, academic session 2024-25. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 6
Session:2024-25
University:AKTU / UPTU

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Questions Asked in 2024-25

Computational Fluid Dynamics (BME062) — complete question paper · 70 marks · 3 Hours

Section AAttempt all questions in brief. 02 x 7 = 14
  • a
    Can CFD be used as a research tool? Justify your answer with e xamples
  • b
    Define conservation of mass and momentum in the context of flu id flow
  • c
    What is the difference between the explicit and implicit approach?
  • d
    Define grid transformation . Why is it required?
  • e
    State the key difference betwee n finite element and finite volume methods
  • f
    State Newton’s second law and its application in fluid mechanics
  • g
    Define compressed grid
Section BAttempt any three of the following: 07 x 3 = 21
  • a
    Derive the Navier–Stokes equa tions for incompressible flow
  • b
    Derive an expression for 1- D unsteady state heat conduction equation by using explicitand implicit approach
  • c
    What is grid clustering and wh y is it used?Differentiate between structured and unstructured grids
  • d
    What are the typical errors e ncountered in FEM and how can t hey be minimized?
  • e
    Discuss the challenges in appl ying FVM to complex geometries .Compare the applicability of FVM to structured and unstructured meshes
Section CAttempt any one part of the following: 07 x 1 = 07
  • a
    Describe the physical significance of boundary layer equatio ns in CFD.Discuss initial and boundary conditions used in CFD simulations with illustrations
  • b
    Explain the principle of cons ervation of energy and its appl ication to fluid dynamics.Classify second-order p artial differential equations w ith examples from fluid mechanics
  • a
    Solve the 1D steady-state he at conduction problem d²T/dx² = 0 over a rod of length 1 m, with boundary conditions T(0) = 100°C and T(1) = 20 0°C using finite difference with 5 nodes
  • b
    Define discretization in the context of CFD.Discuss the role of Taylor series expansion in deriving finite difference approximations
  • a
    Explain the need of grid transformation in CFD. Explain comp ressed grids and their applications in resolving boundary layers
  • b
    Discuss the procedure for ge nerating elliptic grids with governing equations
  • a
    A one-dimensional steady-state heat conduction in a wall of length L = 1 m has
  • a
    thermal conductivity of k = 100 W/mꞏK. The wall is discretize d into 5 equal control volumes (Δx = 0.2 m). The left boundary (x = 0) is main tained at 100 °C and the right boundary (x = 1 m) is at 0 °C. Using the finit e difference method, calculate the temperature distribution at the interior nodes assuming no internal heat generation. Given: Use the central difference scheme and assume steady-state conditions
  • b
    What are isoparametric element s? Explain with a diagram.Comp are FEM and FDM in terms of geometry handling and accuracy
  • a
    Define flux in the context of finite volume method.Explain t he finite volume method (FVM) and how it differs from FDM and FEM
  • b
    Describe the process of discr etization using central differe ncing in FVM.What are flux limiters? Discuss their role in higher-order schemes

Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.

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