1. Introduction

Content

• Course Description.Course Description.• SyllabusSyllabus• Textbook and AssessmentTextbook and Assessment• LaboratoryLaboratory• Contact InformationContact Information

1. Introduction

Course Description

UNIT NAME: ENT 251 Solid Mechanics

LECTURER: Muhamad Saifuldin Bin Abdul Manan

CONTACT HOURS: 5 hours per week& LEARNING APPROACH: 3 hours lecture, 2 hours tutorial/laboratory

CREDITS: 4 credits

PRE-REQUISITES: None

OBJECTIVE: To provide student with theory and application of the fundamental principles of Solid Mechanics.

To understand the physical behaviour of materials under loading.To introduce the concept of stress, strain, axial load,

torsional loading, bending and buckling.

1. Introduction

SyllabusCHAPTER 1. STRESS • Equilibrium of a deformable body• Stress• Average normal stress in an axially loaded bar• Average shear stress• Allowable stress• Design of Simple connections

CHAPTER 2. STRAIN • Deformation• Strain

CHAPTER 3. MECHANICAL PROPERTIES OF MATERIALS• Tension and Compression Test• Stress-Strain Diagram• Hooke’s Law• Strain Energy• Poisson's Ratio• Shear Stress-Strain Diagram • Failure of Materials Due to Creep and Fatigue

1. Introduction

CHAPTER 4. AXIAL LOAD• Saint- Venant’s Principle• Principle of Superposition• Elastic Deformation of an Axially Loaded Member• Statically Indeterminate Axially Loaded Member• Force Method of Analysis for Axially Loaded Member• Thermal Stress• Stress Concentrations

CHAPTER 5. TORSION• Torsional Deformation of a Circular Shaft• The Torsion Formula• Power Transmission• Angle of Twist• Statically Indeterminate Torque-Loaded Members• Stress Concentration

Syllabus

1. Introduction

CHAPTER 6. BENDING• Shear and Moment Diagrams• Graphical Method for Constructing Shear and Moment Diagrams• Bending Deformation of a Straight Member• The Flexure Formula• Unsymmetrical Bending• Stress Concentrations

CHAPTER 7. STRESS AND STRAIN TRANSFORMATION• Plane-Stress Transformation• General Equations of Plane Stress Transformation• Principal Stresses and Maximum In-Plane Shear Stress• Mohr’s Circle – Plane Stress• Stress in Shafts Due to Axial Load and Torsion• Stress Variations Throughout a Prismatic Beam• Absolute Maximum Shear Stress• Plane Strain• General Equations of Plane-Strain Transformation

Syllabus

1. Introduction

CHAPTER 8. BUCKLINGCHAPTER 8. BUCKLING• Critical LoadCritical Load• Ideal Column with Pin SupportsIdeal Column with Pin Supports• Columns Having Various Types of SupportsColumns Having Various Types of Supports

Syllabus

1. Introduction

Textbook and Assessment

• REQUIRED TEXT:

Hibbeler, R.C. ‘Mechanics of Materials’

SI 7th Edition, Prentice Hall, 2008.

1. Introduction

• RECOMMENDED TEXTS:

Beer and Johnson Jr. ‘ Mechanics of Materials’, 4th ed. in SI units. McGraw-Hill, 2006.

Raymond Parnes., ‘Solid Mechanics in Engineering’ John Willey and Sons, 2001.

Textbook and Assessment

1. Introduction

ASSESSMENT

Laboratory Works and Tests 25%Tutorial, Assignments & Quizzes 10%Mid-semester test. (Date to be announced in lecture) 15%Final examination. 50%

The University’s policy on Plagiarism applies to all assessable components of this unit.

Textbook and Assessment

1. Introduction

Laboratory

5 Lab Session will be conducted throughout semester; 5 Lab Session will be conducted throughout semester;

5 Experiments in MNM 9 (Makmal Mekanik Pepejal, Taman Muhibah)

• Tensile test• Compression test• Torsion test• Bending Test• (Buckling Test)

1. Introduction

Exp 1: Tensile TestExp 1: Tensile Test

Laboratory

1. Introduction

Laboratory

Use actual cross-section area

1. Introduction

Exp 2: Compression TestExp 2: Compression Test

Laboratory

1. Introduction

Exp 4: Torsion Test

Laboratory

1. Introduction

Exp 3: Bending Test

Exp 5: Buckling Test

Laboratory

1. Introduction

Muhamad Saifuldin Bin Abdul Manan

Email: m.saifuldin@unimap.edu.my

h/p: 013-9290079

Room: KKF33