Mechanical Engineering BEng (Hons)

Module EN0200 - Applied Mechanics

(20.00 Credits)

SYNOPSIS OF MODULE

This module introduces the principles of two-dimensional stress and strain analysis and their application in torsion, bending and pressure vessels. Standard methods for analysing structural elements, such as beams, struts and frames are introduced. Consideration is given to the kinematics of particles, rigid bodies and mechanisms. Frames of reference and their various methods of solution are considered in detail. This module also contains material on vibration analysis and engineering structures, the analysis of free and damped vibrating systems and the application of transmissibility and absorbers to engineering systems.

The module will be delivered via a combination of lectures, seminars, laboratories, and directed and independent learning. Assessment consists of coursework and an examination. The coursework will be an individual written report. Written feedback will be provided on the report. Exam feedback will provided individually and also generically to indicate where the cohort has a strong or a weaker answer to examination questions. Formative feedback will be provided in the lectures on problem solving tasks and throughout the seminars and laboratories.





INDICATIVE READING LIST OR OTHER LEARNING RESOURCES

1. Recommendations for purchase by students
N/A
2. Books
1. Beer, F.P. & Johnston, E.R. (2009). Mechanics of Materials, McGraw Hill Higher Education. Fifth Edition in SI Units. ISBN 9780071284226.

2. Benham, P.P. and Crawford, R.J. (1996), Mechanics of Engineering Materials, Longman. ISBN 0582251648.

3. Budynas, R. G. (1999). Advanced Strength and Applied Stress Analysis 2nd edition, McGraw Hill. ISBN 007008985.

4. Gere, J. M. & Goodno, B. J. (2013) Mechanics of Materials, 8th edition, Cengage Learning. ISBN 1111577749.

5. Ryder, G. H. and Bennett, M.D. (1990), Mechanics of Machines. ISBN 0333537033.

6. Wahab, M.A. (2008). Dynamics and vibrations, Wiley. ISBN 0470723009.
3. Journal Articles
N/A
4. Journals and Newspaper Titles
N/A
5. Databases and Websites
N/A
6. Any Other Resources
N/A



OUTLINE SYLLABUS

Two dimensional analysis of stress and strain
Analytical transposition of stress and strain. Graphical method (Mohr’s stress circle and Mohr’s strain circle). Principal stresses and maximum shear stress. The theory of elastic breakdown.

Two dimensional stress and strain analysis of thin shells

Experimental stress and strain analysis
Strain gauge rosette.

Buckling failure
Euler theory of buckling for slender columns. Buckling characteristics for real struts. Empirical formulae for design.

Strain energy method
Castigiliano’s theorem to calculate reactions and displacements in beams.

Plane Kinematics of Particles
Curvilinear kinematics of a particle, Cartesian, polar and normal/tangential components. Relative motion of particles.

Plane Kinematics of Rigid Bodies and Mechanisms
Fixed and moving frames of reference.

Gear Systems
Types of gear trains, velocity and torque ratios, holding torque.

The Dynamics of Machinery
Rotating unbalanced excitation. Balancing of rotating masses. Whirling of a light shaft.

Vibrations
Analysis of free and forced damped vibration of single degree of freedom systems. Transmissibility and vibration isolation.



AIMS OF MODULE

To further the knowledge and application of standard methods in the analysis of
mechanical problems, including the motion of rigid bodies due to applied forces and the internal stresses and strains caused by them.






LEARNING OUTCOMES

Upon completion of the module the student will be able to:
1. Analyse components at the design stage under stress subjected in two dimensions
2. Apply mathematical methods and tools in the analysis of engineering problems
3. Identify and describe the performance of systems and components through the use of analytical methods
4. Apply a systems approach to engineering problems.




PRE-REQUISITES

EN0100 Introductory Mechanics or equivalent


COREQUISITE(S)

None



DISTANCE LEARNING DELIVERY

N/A



LEARNING AND TEACHING STRATEGY

The module will be delivered via a combination of lectures, seminars, laboratories, and directed and independent learning. These will provide the underpinning knowledge and skills required for the module as well as providing opportunity for discussion on the more advanced topics. Time will be made available during the scheduled lectures to answer questions arising from the directed learning material.










ASSESSMENT AND FEEDBACK STRATEGY

a Summative assessment and rationale for tasks

Summative assessment will be through coursework (30%) and a final examination (70%). The coursework will be an individual report that covers the practical laboratories underpinned by related theories. Whereas the examination will cover more fundamental theory on broader issues of stress and structural analyses, and machine dynamics and vibrations.

b. Additional formative assessment – detail of process and rationale

The goal of the formative assessment is to help the student improve their learning and to help them prepare for the summative assessment. It will take place in the lectures, seminars and laboratories.

c. Indication of how students will get feedback and how this will support their learning

The students will receive verbal / written (as appropriate) formative feedback during the lecture, seminar and laboratory tasks. Written feedback will be provided on the individual report.

Exam feedback will provided individually and also generically to indicate where the cohort has a strong or a weaker answer to examination questions.



IMPLICATIONS FOR CHOICE

None

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