Registry

Module Specifications

Current Academic Year 2012 - 2013
Please note that this information is subject to change.

Module Title	Strength of Materials II
Module Code	MM212
School	School of Mechanical and Manufacturing Engineering
Online Module Resources
Module Co-ordinator	Semester 1: Joseph Stokes Semester 2: Joseph Stokes Autumn: Joseph Stokes
NFQ level	8	Credit Rating	5
Pre-requisite	None
Co-requisite	None
Compatibles	None
Incompatibles	None

Description

This is a core module for all mechanically based engineering degrees. It underpins decisions made in design, and provides a foundation for more advanced analysis techniques and tools.

Learning Outcomes

1. Devise an appropriate calculation from a narrative describing component loading and geometry including simple components under axial, torsion, bending,pressure and thermal loading.
2. Carry out calculations to find stress and strain in simple elements under elastic loading including pressure vessels and struts
3. Explain how stress can be transformed (in 2D) and apply transformation equations and Mohr's circle.
4. Apply yield criteria to calculate limits on simple components under multiaxial loading
5. Apply a systematic approach to the selection of a material, i.e. mathematically represent a mix of property requirements for particular applications and design goals, and then use material selection charts to identify a subset of suitable materials
6. Incorporate into material choice tools consideration of the phase of material lifecycle contributing most to environmental impact.
7. Run an experiment, present and interpret data and communciate results verbally and in technical report format

Workload	Full-time hours per semester
*Type*	*Hours*	*Description*
Lecture	36	Lectures are used to teach principles, illustrating these with examples. Tutorial questions are addressed throughout lecture time to encourage active learning by providing an immediate opportunity for learners to apply knowledge and practice calculations
Laboratory	12	Preparing, undertaking experiments and write-ups
Assignment	15	Familiarisation with software, undertaking calcualtions and report
Independent learning time	32	separate to preparation for assignments, labs and test
On-line learning	18	Mec movies time
Directed learning	9	preparation for mid term exam
Examination	3	mid sem test and final exam
Total Workload: 125

All module information is indicative and subject to change. For further information,students are advised to refer to the University's Marks and Standards and Programme Specific Regulations at: http://www.dcu.ie/registry/examinations/index.shtml

Indicative Content and Learning Activities

Elastic Failure.
Stress and strain in thin cylinders and spherical shells under pressure.Eulers theory of buckling.Statically indeterminate stress systems.Thermal stresses and strains..

Stress Transformation.
Two and three dimensional stress and strain.Princpal stressesMohrs stress circle..

Plastic Failure.
Yield CriteriaModels of Plastic behaviourPlastic failure of simple elements (beam or shaft).

Material Selection.
Development of Materials Index (MI) tool to identify required balance of materials properties. Application of MI to material selection charts, using Cambridge Engineering selector (CES) software. Adaptation of this method to include environmental impact considerations. Case studies..

Assessment Breakdown
Continuous Assessment	20%	Examination Weight	80%

Course Work Breakdown
Type	Description	% of total	Assessment Date
Assignment	Case Study in Material Selection using CES	8%	Once per semester
Laboratory	Buckling of Struts or Thin Cylinder Experiment	7%	Once per semester
In Class Test	Pre-seen Tutorial Sheet	5%	Once per semester

Reassessment Requirement
Resit arrangements are explained by the following categories; 1 = A resit is available for all components of the module 2 = No resit is available for 100% continuous assessment module 3 = No resit is available for the continuous assessment component
This module is category 3

Indicative Reading List

T. A. Philpott: 2008, Mechanics of Materials An integrated learning system, John Wiley & Sons, 978-0-470-04438-4
Michael F. Ashby: 0, Materials selection in mechanical design, Elsevier, 0-7506-6168-2

Other Resources

402, Website, Timothy A. Philpott, 0, MecMovies, http://higheredbcs.wiley.com/legacy/college/philpot/0470044381/mecmovies/index.html,

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