Course Title: 
Finite Element Methods for Aerospace
Course Code: 
Year Taught: 
Undergraduate (UG)
School of Engineering

'Finite Element Methods for Aerospace' is a course offered in the sixth semester of B. Tech. in Aerospace Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.

Unit 1

Introduction to FEM - equilibrium condition, strain-displacement relation, linear constitutive relations - domain discretization, types of elements, assembly procedures, boundary conditions - Formulations: Potential energy method, Variational formulation, Weighted residual, Galerkin and Rayleigh-Ritz methods.

Unit 2

Coordinate systems, convergence criteria, 1D Elements: Axial elements basic formulations, formations of shape functions, problems using 1D elements, Beam (bending) element: formulations and formation of shape function and problems – 2D elements: Plane stress and Plane strain element formulation, shape function development, problems using 2D elements - axi-symmetric elements - iso-parametric formulation of elements.

Unit 3

3D element formulations - Introduction to FE formulation of Plate bending and shell elements - Numerical integration - Solution techniques of the numerical equations - Introduction to FE software - FE modeling of aircraft and spacecraft components - Application of boundary conditions and loadings on FE models - Analysis of subcomponents like wings, fuselage, motor casing, etc.

  • Daryl L. Logan, "A First Course in the Finite Element Method", CL, New Delhi, 2007.
  • C. S. Krishnamoorthy, “Finite Element Analysis", Tata McGraw-Hill Publishing Company Limited, New Delhi, 1999.
  • David V. Hutton, "Fundamentals of Finite Element Analysis”, Tata McGraw-Hill Publishing Company Limited, New Delhi.
  • Megson, T. H. G., “An introduction to aircraft structural analysis”, Butterworth-Heinemann, USA, 2010.
  • Tirupathi R. Chandrapatla and Ashok D. Belegundu, “Introduction to Finite Element in Engineering”, Prentice Hall of India, New Delhi.