6 March 2013

B. N. RaoStructural Engineering DivisionDepartment of Civil Engineering

Indian Institute of Technology MadrasChennai 600 036

bnrao05@gmail.com

FINITE ELEMENTS IN STRUCTURAL MECHANICS

Higher Order Elements for One Dimensional problems

Shape Functions for Second Order Problems

Example 1

Example 2

Isoparametric Mapping Concept

Example 3

Example 4

Quadratic Isoparametric Element forGeneral One Dimensional Boundary Value Problem

Example 5

One Dimensional Numerical Integration

Example 6

Application: Heat Conduction Through a Thin Fin

Example 7

QUESTIONS?