DE5302                             STRENGTH OF MATERIALS 1

Level 5                                             Credits 15                                            Version July 2010

LEARNING TIME

RECOMMENDED PRE-REQUISITE

DE4302 Mechanics

RECOMMENDED CO-REQUISITE

Nil

AIM/PURPOSE

To develop an understanding of the essential elements of strengths of materials.

LEARNING OUTCOMES

On successful completion of this course, the student should be able to:

1.            Demonstrate an understanding of complex states of stress and the effects of dynamic loadings on a mechanical system.

2.            Design jointing systems.

3.            Demonstrate an understanding of beam failure modes and calculate deflections and shear stresses.

4.            Calculate failure loads for concentrically loaded columns.

INDICATIVE CONTENT

• Load factors, factors of safety, concepts of limit state design
• Two-dimensional stress analysis, stress equations and Mohr’s circle,
• Failure theories,
• Stress concentration,
• Fatigue, normal stress only, stress concentrations
• Thermal strain, induced stress and strain,
• Strain measurement, strain circles, principal stress calculation
• FEA
• Impact loading, linear and rotational
• Joining of materials, bolts, welds, glue, joint configurations
• Beam failure modes
• Shear stress distribution in beams,
• Beam deflection by superposition
• Columns, short, intermediate, long columns, centric loading, failure modes