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Module Specifications..

Current Academic Year 2023 - 2024

Please note that this information is subject to change.

Module Title Mechanics of Machines
Module Code MM306
School School of Mechanical and Manufacturing Engineering
Module Co-ordinatorSemester 1: Paul Young
Semester 2: Paul Young
Autumn: Paul Young
Module TeachersPaul Young
NFQ level 8 Credit Rating 5
Pre-requisite None
Co-requisite None
Compatibles None
Incompatibles None
Coursework Only
Online Loop Quiz and Assignments similar to the semester work

To build on Engineering Mechanics (Statics and Dynamics) by adding Power transmission: gears, belts, clutches. Balancing of shafts Gyroscopic motion Dynamics (vibration) of mechanical systems in free, forced and damped modes Measurement of properties of dynamic systems

Learning Outcomes

1. Analyse and design power transmissions using gears, clutches and belts.
2. Balance shafts statically and dynamically using vector calculus
3. Calculate the natural frequency, damped frequency of single degree of freedom systems
4. Design a vibration isolation system and calculate the response to input forces
5. Undertake laboratory practicals and report scientifically on them in reports and poster form
6. Simulate and evaluate the performance of Mechanical Designs using Solid Modelling

Workload Full-time hours per semester
Type Hours Description
Laboratory4In the lab
Fieldwork6Reporting on Lab activity
Tutorial30Problem solving questions on Loop with both Formative and Summative Feedback
Lecture20Broadcast or recorded lecture material presenting the content of the module.
Assignment Completion40Development of simulation model, analytical review and reporting on the detailed contents and reasoning.
Independent Study25Reading of background materials, practice for quizzes
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

Simple and Compound Gears
Direct power transmission, gear ratios, design, module, tooth profile.

Belt Drives
Analysis of interaction between belt and pulley to determine governing equation for slippage. Geometry of system, gear ration and maximum power transmission.

Torque at slip analysis for uniform pressure and constant wear rate. Use of multi-plate clutches. Design for power transmission in a gear train.

Balancing of shafts
Vector analysis of static and dynamic balancing of rotating shafts

Gyroscopic motion
3-D kinetics, calculation the gyroscopic couple under precession of the spin axis.

Free Vibration of SDOF
Equations of motion, undamped, viscous damping, dry friction damping & hysteretic damping

Forced vibration of SDOF system
Sinusoidal Excitation on mass, excitation of base, harmonic excitation.

Assessment Breakdown
Continuous Assessment100% Examination Weight0%
Course Work Breakdown
TypeDescription% of totalAssessment Date
Laboratory Portfolio2 practical reports20%Other
Digital ProjectDevelopment of a SolidWorks simulation model showing operational dynamics of a practical rig, and an analytical report showing the connection to the theoretical calculation.30%Week 12
Loop QuizTutorial Style Questions25%Every Second Week
Loop QuizAsynchronous Loop Quiz with posed problems requiring completion in a short time once started25%n/a
Reassessment Requirement Type
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 1
Indicative Reading List

  • C.F. Beards: 1995, Beards CF., Engineering Vibration Analysis with Application to Control Systems, Arnold, 034063183X
  • Peter R. N. Childs: 2018, Mechanical Design Engineering Handbook, Butterworth-Heinemann, 9780081023686
  • GH Ryder, MD Bennett: 1990, Mechanics of Machines, 2, Industrial Press, Inc., 083113030X
  • Daniel J. Inman: 0, Engineering vibration, Pearson, Upper Saddle River, N.J., 0132281732
  • J. Hannah, R. C. Stephens: 1984, Mechanics of machines, Edward Arnold, London, 0713134712
Other Resources

Programme or List of Programmes
BMEDB.Eng. in Biomedical Engineering
BMEDIB.Eng. in Biomedical Engineering
CAMB.Eng. Mechanical & Manufacturing Eng
CAMIB.Eng. in Mechanical & Manufacturing Eng
ECSAStudy Abroad (Engineering & Computing)
ECSAOStudy Abroad (Engineering & Computing)
MEB.Eng. in Mechatronic Engineering
MEIB.Eng in Mechatronic Engineering
MMACAccess - MEng. in Mechanical & Manu Eng.
Date of Last Revision05-APR-02

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