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Download JNTUA M.Tech 1st Sem 2016 Aug Supply 9D12103 Numerical Methods Question Paper

Download JNTUA (JNTU Anantapur) M.Tech ( Master of Technology) 1st Semester 2016 Aug Supply 9D12103 Numerical Methods Previous Question Paper

This post was last modified on 30 July 2020

This download link is referred from the post: JNTUA M.Tech 1st Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)


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Code: 9D12103

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Time: 3 hours

M.Tech I Semester Supplementary Examinations August 2016

NUMERICAL METHODS

(Geotechnical Engineering)

(For students admitted in 2012, 2013, 2014 & 2015 only)

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Answer any FIVE questions

All questions carry equal marks

Max. Marks: 60


  1. (a) State Lagrange's interpolation formula and use it to find the value of y at x = 8 from data:
    X     3     9     10

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    y     7     168     120     72     63
    (b) Explain Lagrange's method of inverse interpolation.
  2. Find the first and second derivatives of the function tabulated below, at the point x = 1.1.
    X:     1.0     1.2     1.4     1.6     1.8     2.0
    f(x):     0     0.128     0.544     1.296     2.432     4.00
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  4. dy
    If the nonlinear parasitic ordinary differential equation modeled by = 5(y - t²), with initial dt
    condition y(0) = 0.08, applying Taylor's series method obtain the solution of y at t =1 and t = 2.
  5. (a) Solve the system of equation using Gauss elimination method
    5x + 3y + 7z = 4; 3x + 26y + 2z = 9; 7x + 2y + 10z = 5.

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    (b) Suppose that three jumpers are connected by bungee cords, the parameters mass, spring
    constant and cord lengths are given in the following table;
    Jumper Mass (kg) Spring constant (N/m) Un-stretched cord length (m)
    Top (1) 60 50 20
    Middle (2) 70 100 20
    Bottom (3) 80 50 20

    Determine the displacement of each bungee jumper after they released to jump and find their
    positions relative to the platform using Gauss-Seidel iterative method starting with (20, 40, 60)

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    up to 5th state.
  6. Solve the following equation by using Jacobi's method:
    3x + 2y + 7z = 4; 2x + 3y + z=5; 3x + 4y + z = 7 with initial values (2, 3, 0)
  7. (a) Explain the concept of finite element method. What are its advantages over conventional
    methods?

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    (b) Write the steps to solve a 2D problem by using finite element method.
  8. (a) Explain finite element technique using minimization of total potential energy principles.
    (b) Write a short note on variational principles.
  9. (a) Write short notes on: Stability analysis of sheet piles, positions of anchorage for sheet piles.
    (b) Failure measurement of sheet piles.
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This download link is referred from the post: JNTUA M.Tech 1st Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)

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