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Moderated October 2015
University of Sunderland
Faculty of Applied Sciences
Department of Computing, Engineering and Technology
EAT216 – COMPUTER AIDED ENGINEERING
Assignment 3 of 3, 2015 – 2016
The following learning outcomes will be assessed:
Knowledge
An understanding of the use of commercial mathematical software packages to assist in solving engineering problems.
Skills
the ability to develop and analyse mathematical models of the behaviour
of a component or system due to external influences and so predict the performance of that component or system.
Important Information
You are required to submit your work within the bounds of the University Infringement of Assessment Regulations (see your Programme Guide). Plagiarism, paraphrasing and downloading large amounts of information from external sources, will not be tolerated and will be dealt with severely. Although you should make full use of any source material, which would normally be an occasional sentence and/or paragraph (referenced) followed by your own critical analysis/evaluation. You will receive no marks for work that is not your own. Your work may be subject to checks for originality which can include use of an electronic plagiarism detection service.
Where you are asked to submit an individual piece of work, the work must be entirely your own. The safety of your assessments is your responsibility. You must not permit another student access to your work.
Where referencing is required, unless otherwise stated, the Harvard referencing system must be used (see your Programme Guide).
Please ensure that you retain a duplicate of your assignment. We are required to send samples of student work to the external examiners for moderation purposes. It will also safeguard in the unlikely event of your work going astray.
Submission Date and Time
Before 4pm, Wednesday 9th March 2016
Submission Location
Library, St Peters Campus
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Moderated October 2015
Problem statement
Air with a free stream velocity of (a) 3; (b) 3.5; (c) 4; (d) 4.5; (e) 5 m/s (as assigned) flows over a narrow flat plate of length (A) 4; (B) 4.5; (C) 5; (D) 5.5; (E) 6 m (as assigned).
You are required to examine the two dimensional hydrodynamic boundary layer of flow over the plate. It is set out in three stages:
(1) You will carry out a manual calculation of boundary layer thickness along the length of the plate. This should be carried out as described in the EAT223 lecture on incompressible flow (see eat223_lecture11.ppt).
(2) You will use SolidWorks to produce a CFD solution to the problem.
(3) You will compare both solutions using graphs plotted in Excel.
You will be allocated one from each of a-e and A-E to ensure you have an individual set of data for the assignment.
Report
Your report should include the following information:
Description
Mark
(a)
A summary of the manual calculation, based upon a Blasius boundary layer equation.
15
(b)
A description of how the problem was tackled in SolidWorks. This should include any assumptions made and a tabulated summary of the boundary conditions used, with a brief (one sentence) explanation. It should also include screenshots of the model and mesh, and vector and contour plots of the resulting flow.
50
(c)
A comparison of the boundary layer thickness derived in parts (a) and (b), in Excel. Quantify any discrepancies between the two.
20
(e)
This mark will be allocated based on the quality and legibility of your report.
15
You should also be capable of demonstrating your model using the SolidWorks software on the terraces.
K. Burn
October 2015

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