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TECHNICAL PAPERS

Reducing Bottlenecks in the CAD-to-Mesh-to-Solution Cycle Time to Allow CFD to Participate in Design

[+] Author and Article Information
W. N. Dawes, P. C. Dhanasekaran, A. A. J. Demargne, W. P. Kellar, A. M. Savill

CFD Laboratory and Whittle Laboratory, Department of Engineering, University of Cambridge, Cambridge, UK

J. Turbomach 123(3), 552-557 (Feb 01, 2000) (6 pages) doi:10.1115/1.1370162 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Desirable attributes in a useful CAD-mesh-CFD system
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Fuel injector holes from typical combustor geometry
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Inlet aerofoil section from typical combustor geometry
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Typical CAD surface representation errors together with “healed” result
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“March and grab”: iterative insertion of surface triangles to guarantee surface integrity
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A “sliver” formed from nearly co-planar nodes with compact circumsphere
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Parallel speedup of unstructured flow solver on a Hitachi MPP
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Zoom view near the LE of a compressor with underhub leakage
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Predicted and measured total pressures at exit from a compressor with and without underhub leakage
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Surface mesh for the complete combustion chamber
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Cold flow solution showing velocity vectors and pressure contours, subsynchronous idle operating point

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