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Details of Grant 

EPSRC Reference: GR/R06717/01
Title: Implementation of Moving-Mesh & Free-Surface Capabilities Within a Reynolds-Averaged Navier-Stokes Solver
Principal Investigator: Apsley, Dr D
Other Investigators:
Researcher Co-Investigators:
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Department: Manchester Civil and Construction Eng
Organisation: UMIST
Scheme: Fast Stream
Starts: 02 January 2001 Ends: 01 November 2002 Value (£): 62,792
EPSRC Research Topic Classifications:
Coastal & Waterway Engineering Fluid Dynamics
EPSRC Industrial Sector Classifications:
No relevance to Underpinning Sectors
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Summary on Grant Application Form
UMIST possesses a versatile CFD code, STREAM, which is used for turbulence modelling in aero-mechanical engineering. This project seeks to extend its capabilities in external aerodynamics and internal flows to civil-engineering applications such as wave loading on off-shore structures.To compute flows with moving boundaries - for example, engine flows or wave motion - it is desirable to solve flow equations discretised on a moving mesh. This is particularly attractive in finite-volume formulation, because the underlying conservation laws area readily expressed as integral equations over moving control volumes. In waves, however, the free-surface movement must be computed as part of the solution and a surface-conforming mesh continually regenerated. It is a non-trivial exercise to do so in a way which is, numerically, both accurate and stable.The utility of the exercise will be demonstrated by applying the code to test cases of immediate civil-engineering interest: submerged bodies (eg pipelines), junction flows (eg bridge piers) and gloating bodies (towing applications). These code developments are seen as a necessary first step in a more ambitious programme of work including computations of wave slam and harbour configurations.
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