# Finite Element Methods

Course Code:ULZ0119

Author:uLektz

University:

Regulation:2017

Categories:Mechanical

Format : ePUB3 (DRM Protected)

Type :eBook

Rs.199 Rs.30 Rs.85% off

Description :Finite Element Methods of ULZ0119 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.

Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.

##### Topics
###### UNIT- I INTRODUCTION

1.1 Equilibrium equations in elasticity subjected to body force, traction forces, and stress-strain relations for plane stress and plane strains.

1.2 General description of Finite Element Method - Application and limitations.

1.3 Types of elements based on geometry

1.4 Node numbering, Half band width

###### UNIT-II BASIC PROCEDURE

2.1 Euler - Lagrange equation for bar, beam (cantilever / simply supported fixed)

2.2 Principle of virtual work, Principle of minimum potential energy

2.3 Raleigh’s Ritz method

2.4 Direct approach for stiffness matrix formulation of bar element, Galerkin’s method

###### UNIT-III INTERPOLATION MODELS

3.1 Interpolation polynomials- Linear, quadratic and cubic, Simplex complex and multiplex elements

3.2 2D PASCAL’s triangle.

3.3 CST elements-Shape functions and Nodal load vector, Strain displacement matrix and Jacobian for triangular and rectangular element.

###### UNIT- IV SOLUTION OF ONE DIMENSIONAL BARS

4.1 Solutions of bars and stepped bars for displacements

4.2 Reactions and stresses by using penalty approach and elimination approach

4.3 Guass-elimination technique

###### UNIT- V HIGHER ORDER ELEMENTS

5.1 Langrange’s interpolation

5.2 Higher order one dimensional elements-Quadratic and cubic element and their shape functions.

5.3 Shape function of 2-D quadrilateral element-linear, quadric element Isoparametric, Sub parametric and Super parametric elements

5.4 Numerical integration : 1, 2 and 3 gauge point for 1D and 2D cases.

###### UNIT- VI TRUSSES

6.1 Stiffness matrix of Truss element.- Numerical problems

###### UNIT-VII BEAMS

7.1 Hermite shape functions for beam element, Derivation of stiffness matrix

7.2 Numerical problems of beams carrying concentrated, UDL and linearly varying loads