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Course Detail

Course Name Finite Element Methods for Defence Structures
Course Code 25DT642
Program M.Tech. in Defence Technology
Semester 2
Credits 3
Campus Coimbatore

Syllabus

Syllabus

Course Content:

Unit

Contents

Contact Hrs.

1.

Introduction to Finite Element Analysis, Finite Element Formulation Techniques- Virtual Work and Variational Principle, Galerkin Method, Displacement Approach, Stiffness Matrix and Boundary Conditions.

7

2.

Introduction to different types of elements, formation of shape function for various elements, Coordinate systems, convergence criteria.

8

3.

Analysis of Frame Structures- Stiffness of Truss Members, Analysis of Truss, Stiffness of Beam Members, Finite Element Analysis of Continuous Beam, Plane Frame Analysis

9

4.

Formulation of Constant Strain Triangle, Linear Strain Triangle, Rectangular Elements, Numerical Evaluation of Element Stiffness, Computation of Stresses, Geometric Nonlinearity and Static Condensation Lecture

7

5.

Finite Element Formulation of Axisymmetric Element, 3 Dimensional Elements and Isoparametric Elements. Numerical Integration.

8

6.

Applications of FEM- Modelling and analysis of various defence related structures like plates, shells, cylindrical members and general by using FE software.

6

Total

45

Objectives and Outcomes

Course Objectives:

To learn the theory and applications of finite elements that represent engineering structures and appreciate the use of FEM to a range of engineering problems.

Course Outcomes:

At the end of the course the student should be able to

  • Understand the concepts of nodes and elements.
  • Develop stiffness matrices for spring, truss, beam, plane stress problems and three-dimensional problems using the concept of direct equilibrium and potential energy methods.
  • Calculate consistent loads on structures and application of numerical integration.
  • Understand the application FEM in different structures related to defence applications.

Text Books / References

References / Suggested Books:

  1. “Finite Element Analysis “, C.S. Krishnamoorthy, , Tata McGraw-Hill
  2. “Fundamentals of Finite Element Analysis “, V. David V. Hutton, McGraw Hill
  3. “Introduction to the Finite Element Method: Theory, Programming and Applications”, Erik G. Thompson, John Wiley
  4. “Introduction to Finite Element Analysis – Theory and Application “, H. C. Martin and G. F. Carey, New York, McGraw-
  5. “Finite Element Procedures”, K. J. Bathe, , Prentice-Hall of India, New Delhi
  6. “Finite Element Analysis”, S.S. Rao, Elsevier Butterworth-Heinemann

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