Technical Book

 

Title:                                       Computer Analysis of Framed Structures

Author:                                   Damodar Maity

Publisher:                              I.K. International Publishing House Pvt. Ltd., New Delhi

Year of Publication:              2007

ISBN:                                      81-89866-19-2

 

Contents:

 

Chapter – 1    Introduction

1.1  A Brief History of Structural Analysis

1.2  Computer Program

1.3  Computational Flow and General Purpose of Programs

1.4  Impact of Computers on Structural Analysis

 

Chapter – 2    Concepts on Computer Analysis of Structures

2.1 Principles of Structural Analysis

            2.1.1 Introduction

            2.1.2 Theorem of Virtual Work

2.2 Basic Steps in Computer Analysis

2.3 Structural Idealization

            2.3.1 Modeling of Real Structure

            2.3.2 Physical Categorization of Structures

            2.3.3 Concepts of Elements and Nodes

            2.3.4 Natural Subdivision of Structure

2.4 Degrees of Freedom

2.5 Types of Structural Elements

            2.5.1 One Dimensional Elements

            2.5.2 Two Dimensional Elements

            2.5.3 Three Dimensional Elements

2.6 Discretization of Structures

2.7 Loads

            2.7.1 Load Transfer Path

2.8 Supports

2.9 Type of Analysis

            2.9.1 Linear Vs. Nonlinear Analysis

            2.9.2 Elastic Vs. Inelastic Analysis

            2.9.3 Static Vs. Dynamic

            2.9.4 Choice of Analysis

 

 

Chapter – 3    Matrices Related to Structural Analysis

3.1 Introduction

3.2 Matrix Definitions

            3.2.1 Square Matrix

            3.2.2 Row Matrix

            3.2.3 Column Matrix

            3.2.4 Null Matrix

            3.2.5 Diagonal Matrix

            3.2.6 Unit Matrix

            3.2.7 Symmetric Matrix

            3.2.8 Skew Matrix

            3.2.9 Skew-Symmetric Matrix

            3.2.10 Transpose of a Matrix

            3.2.11 Orthogonal Matrix

3.3 Banded Matrix

3.4 Trace of a Matrix

3.5 Partitioning of Matrix

3.6 Matrix Algebra

            3.6.1 Matrix Addition

            3.6.2 Matrix Subtraction

            3.6.3 Matrix Multiplication

            3.6.4 Determinants

            3.6.5 Computer Program

3.7 Matrix Inversion

            3.7.1 Matrix Inversion by Adjoint Method

            3.7.2 Matrix Inversion by Cholesky Method

            3.7.3 Matrix Inversion by Partitioning

            3.7.4 Computer Program

3.8 Solution of Simultaneous Equations

            3.8.1 Cramer’s Rule

            3.8.2 Gauss-Seidel Iterative Method

            3.8.3 Gauss Elimination Method

            3.8.4 Computer Program

3.9 Conditioning of Matrices

3.10 Eigenvalues and Eigenvectors

            3.10.1 Jacobi Method

            3.10.2 Computer Program

 

 

Chapter – 4    Flexibility Method

4.1 Introduction to Flexibility method

            4.1.1 Concept

4.2 Flexibility approach to structural problems

4.3 Element Flexibility Matrix

4.4 Global Flexibility Matrix

4.5 Properties of Flexibility Matrix

4.6 Flexibility Method

            4.6.1 Statically determinate structure

            4.6.2 Statically indeterminate structure

4.7 Worked out Examples

            4.7.1 Plane Truss

            4.7.2 Continuous Beam

            4.7.3 Plane Frame (Neglecting axial deformation)

            4.7.4 Plane Frame (Including axial deformation)

            4.7.5 Gird Beam

            4.7.6 Space Truss

 

Chapter – 5    Stiffness Method

5.1 Introduction to Stiffness Method

5.2 Steps for Stiffness Method

            5.2.1 Formulation of Element Stiffness

            5.2.2 Assemble of Stiffness Matrix

            5.2.3 Force Calculation

5.3 Local and Global Coordinate Systems

5.4 Transformation Matrices

5.5 Member Stiffness Matrix

5.6 Stiffness Transformation

5.7 Properties of Stiffness Matrix

5.8 Overall Stiffness Matrix

            5.8.1 Computer Programming for Global Stiffness Matrix

5.9 Boundary Conditions

            5.9.1 Support Conditions

            5.9.2 Support Displacements

            5.9.3 Elastic Supports

            5.9.4 Oblique Supports

            5.9.5 Solution Techniques for Different Boundary Conditions

            5.9.6 Computer Program to Incorporate Boundary Conditions

5.10 End Actions for Restrained Members

            5.10.1 End Actions due to Loads

            5.10.2 End Actions due to End Displacements

            5.10.3 End Actions due to Prestrains

            5.10.4 End Actions due to Temperature Changes

5.11 Equivalent Joint Load

5.12 Rearrangement of Stiffness and Load Arrays

5.13 Calculation of Results

5.14 Analysis of Plane Truss

            5.14.1 Steps for the Analysis of Plane Truss

            5.14.2 Local Stiffness Matrix of a Plane Truss Member

            5.14.3 Generalized Stiffness Matrix of a Plane Truss Member

            5.14.4 Computer Program

            5.14.5 Workout Examples

5.15 Analysis of Continuous Beam

            5.15.1 Stiffness Matrix

            5.15.2 Generalized Stiffness Matrix of a Beam Member

            5.15.3 Computer Program

            5.15.4 Workout Example

5.16 Analysis of Plane Frame

            5.16.1 Stiffness Matrix

            5.16.2 Generalized Stiffness Matrix of a Plane Frame Member

            5.16.3 Computer Program

            5.16.4 Workout Example

5.17 Analysis of Grid

            5.17.1 Generalized Stiffness Matrix of a Grid Member

            5.17.2 Computer Program

            5.17.3 Worked Out Example

5.18 Analysis of Space Frame

            5.18.1 Stiffness Matrix

            5.18.2 Generalized Stiffness Matrix of a Space Frame Member

            5.18.2 Computer Program

            5.18.3 Worked Out Example

5.19 Comparison between Flexibility and Stiffness Method

5.20 Choice of the Method of Analysis

 

Chapter – 6    Computer Analysis of Framed Structures

6.1 Computer Programming for Analysis of Framed Structures

6.2 Computer Input - Output

            6.2.1 Computer Input - Output for Plane Truss Analysis

            6.2.2 Computer Input - Output for Beam Analysis

            6.2.3 Computer Input - Output for Space Truss Analysis

            6.2.4 Computer Input - Output for Plane Frame Analysis

            6.2.5 Computer Input - Output for Grid Analysis

            6.2.6 Computer Input - Output for Space Frame Analysis