dc.contributor.author |
O'Sullivan, John |
en |
dc.contributor.author |
Archer, Rosalind |
en |
dc.contributor.author |
Flay, Richard |
en |
dc.date.accessioned |
2012-02-23T01:21:36Z |
en |
dc.date.issued |
2011 |
en |
dc.identifier.citation |
Journal of Wind Engineering and Industrial Aerodynamics 99(1):65-77 2011 |
en |
dc.identifier.issn |
0167-6105 |
en |
dc.identifier.uri |
http://hdl.handle.net/2292/11774 |
en |
dc.description.abstract |
In computational wind engineering the neutrally stable atmospheric boundary layer (ABL) is often simulated using the standard k–ε model. The application of boundary conditions that are inconsistent with the profiles used at the inflow boundary causes streamwise gradients in the solution and prevents the simulation of a horizontally homogeneous boundary layer. In the present work these problems are overcome by applying a simple extension of the shear stress boundary condition at the top of the domain and by using one-dimensional models to generate inflow profiles in equilibrium with the ground boundary condition. This procedure allows the impact of the inconsistent boundary conditions to be quantitatively assessed. It is shown that inconsistent boundary conditions at the top of the domain result in erroneous streamwise gradients throughout the domain. These errors are reduced by enlarging the domain in the vertical direction but are not removed. The errors are also found in simulations with idealised and real topography included in the domain. A brief discussion of the impact of the errors on simulations of wind energy projects is given. |
en |
dc.publisher |
2010 Elsevier Ltd. |
en |
dc.relation.ispartofseries |
Journal of Wind Engineering and Industrial Aerodynamics |
en |
dc.rights |
Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher.
Details obtained from http://www.sherpa.ac.uk/romeo/issn/0167-6105/ |
en |
dc.rights.uri |
https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm |
en |
dc.title |
Consistent boundary conditions for flows within the atmospheric boundary layer |
en |
dc.type |
Journal Article |
en |
dc.identifier.doi |
10.1016/j.jweia.2010.10.009 |
en |
pubs.issue |
1 |
en |
pubs.begin-page |
65 |
en |
pubs.volume |
99 |
en |
dc.rights.holder |
Copyright: 2010 Elsevier Ltd. |
en |
pubs.end-page |
77 |
en |
dc.rights.accessrights |
http://purl.org/eprint/accessRights/RestrictedAccess |
en |
pubs.subtype |
Article |
en |
pubs.elements-id |
295604 |
en |
pubs.org-id |
Engineering |
en |
pubs.org-id |
Engineering Admin |
en |
pubs.org-id |
Engineering Science |
en |
pubs.org-id |
Mechanical Engineering |
en |
pubs.record-created-at-source-date |
2012-02-15 |
en |