Chapter
Apr 26, 2012
Modelling Flow over Complex Terrain
Authors: Leighton Cochran and Jon PeterkaAuthor Affiliations
Publication: Structures 2001: A Structural Engineering Odyssey
Abstract
For structures within or near significant amounts of complex natural terrain the influence of that terrain on the design wind loads can be significant. Prior to physically modelling flows at typically useful scales of 1:300 to 1:500 in a boundary-layer wind tunnel one must first assess the approach conditions with a smaller scale terrain model in the range 1:2000 to 1:6000. Work presented by researchers such as Meroney and Cermak indicate that scales smaller than 1:6000 have serious modeling limitations, and so the focus of this discussion will be on terrain models larger than this nominal scale.
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Published In
Structures 2001: A Structural Engineering Odyssey
Pages: 1 - 6
Copyright
© 2001 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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Authors
Affiliations
Leighton Cochran
M.ASCE
Associate, Cermak Peterka Petersen Inc., 1415 Blue Spruce Drive, Fort Collins, CO 80524
Jon Peterka
P.E.
M.ASCE
Vice President, Cermak Peterka Petersen Inc., 1415 Blue Spruce Drive, Fort Collins, CO 80524
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.