MEC 3403 – Mechanics of Materials II 

Credits:   4 
Lectures:   28 hrs
Labs:  9 hrs
Prerequisite:    MEC1301, MEC 2401
Leads to:          MEC 3500

Syllabus

Analysis of plane stress and plane strain – Equations for the transformation of plane stress and plane strain, Mohr’s circle for plane stress and plane strain, principal stresses and principal strains, electrical resistance strain gauges;

Theories of elastic failure – Maximum principal strain theory, Total strain energy theory, Maximum shear stress theory (Tresca), Shear strain energy theory (von Mises), Maximum principal stress theory;

Analysis of columns – Euler’s theory of elastic buckling, plastic buckling;

Design of structural connections.

Solution of statically indeterminate problems

Thick walled cylinders and rotating discs;

Rectangular and circular  plates;

Contact stresses – the Hertz problem, spur and helical gears, bearings;

Laboratory Work

Assessment
Coursework - 10% 
Exam - 90%
Reference Textbooks

• Strength of Materials, G.H. Ryder
• Mechanics of Engineering Materials, P.P. Benham, R.J. Crawford, C.G. Armstrong
• Mechanics of Materials, E.P. Popov
• Advanced Strength and Applied Elasticity, A.C. Ugural, S.K. Fenster