SEMM 1113 Mechanics of Solid 1
W1: EXTERNAL AND INTERNAL FORCES
Review FBD in 2D, Two and Three Body Force Member
FBD in 3D environment
W2 – W4 NORMAL AND DIRECT SHEAR
Normal and direct shear stress
STRESS AND STRAIN
Strain – Normal and Shear Strain
Mechanical Properties of Materials
Tension and Compression Test
Stress Strain Diagram
Hooke’s Law, Strain Energy, Poisson’s Ratio
Statically determinate Structures
Statically indeterminate Structures
Principle of Superposition
Shear Torsional Stress Formula
Torque from power transmission of circular shaft
Angle of twist.
W6 – W8 SHEAR FORCE AND BENDING MOMENT DIAGRAM
Development of shear force and bending moment equations.
Drawing of shear force and bending moment diagrams
Shear force and graphical method: Graphical Method
W9 BENDING STRESS
The flexural formula
Second moment of area
Bending of composite beams
W10 TRANSVERSE SHEAR STRESS IN BEAMS
The Shear Stress Formula
W11 – W12 BEAM DEFLECTION
Elastic curve equation
Slope and deflection equations by integration method.
Singularity function – Macaulay’s method.
Statically indeterminate beams.
Extended and compensation loads.
W13 – 14 COMBINED LOADING.
Stress elements for axially loaded bar, shaft in torsion and beam in bending.
Complex stresses due to combined loading
Text Books: Hibbeler, R.C, 2013, Mechanics of Materials, 9th edition SI Units, Prentice Hall
Test 1 : 25%
Test 2 : 25%
Final Exam: 40%
Assignment & Quizzes: 5%
Case Study (Group): 5%