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Design & Technology
Pages 11 (2761 words)
DSGN313 – Coursework A – CFD Assignment This 7 credit coursework should be carried out individually. The deadline for this coursework is 23.59 on 4th November 2011.You must submit your coursework electronically via the SCOLAR system accessed from the DSGN313 Portal site.
Please note that the University enforces a penalty of zero percent for work submitted after the published deadline without valid extenuating circumstances (see University student handbook on the portal for details). Intended outcomes – By the end of this coursework, you should be able to: Carry out a CFD simulation using ANSYS Workbench/CFX, demonstrating ability to import geometry, produce a mesh, set up and solve a simulation and effectively post-process results. Evaluate grid-dependency of a solution and demonstrate the process of finding a grid-independent solution. Demonstrate ability to compare CFD results with published experimental data, and critically evaluate results with reference to relevant literature. Recognise capabilities and limitations of a CFD analysis in a particular application. Present results of a CFD analysis clearly and concisely, with appropriate output from CFD-Post. Aim To use ANSYS CFX to simulate the flow around a two-dimensional NACA 642-015 aerofoil section at a 5o angle of attack and to assess the accuracy of the simulation. Problem specification It is important to understand the lift and drag characteristics of aerofoil sections when designing devices such as aircraft (wings and tails) or yachts (rudders and keels). Traditionally, foil theory has been used to give performance estimates, along with extensive experimental testing. ...
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