Wind and Structures

Techno-Press (테크노프레스)
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Pedestrian wind conditions at outdoor platforms in a high-rise apartment building: generic sub-configuration validation, wind comfort assessment and uncertainty issues

  • Blocken, B. (Building Physics and Systems, Technische Universiteit Eindhoven) ;
  • Carmeliet, J. (Building Physics and Systems, Technische Universiteit Eindhoven)
  • Received : 2007.09.13
  • Accepted : 2008.01.25
  • Published : 2008.02.25
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Abstract

CFD is applied to evaluate pedestrian wind comfort at outdoor platforms in a high-rise apartment building. Model validation is focused on generic building sub-configurations that are obtained by decomposition of the actual complex building geometry. The comfort study is performed during the design stage, which allows structural design changes to be made for wind comfort improvement. Preliminary simulations are performed to determine the effect of different design modifications. A full wind comfort assessment study is conducted for the final design. Structural remedial measures for this building, aimed at reducing pressure short-circuiting, appear to be successful in bringing the discomfort probability estimates down to acceptable levels. Finally, the importance of one of the main sources of uncertainty in this type of wind comfort studies is illustrated. It is shown that the uncertainty about the terrain roughness classification can strongly influence the outcome of wind comfort studies and can lead to wrong decisions. This problem is present to the same extent in both wind tunnel and CFD wind comfort studies when applying the same particular procedure for terrain relation contributions as used in this paper.

Keywords

References

  1. ASCE Aerodynamics Committee. (2003), Outdoor human comfort and its assessment, State of the Art Report, Task Committee on Outdoor Human Comfort, American Society of Civil Engineers, Boston, VA, USA.
  2. Beranek, W. J. (1982), On avoiding wind nuisance around buildings, part 2 (Beperken van windhinder om gebouwen, deel 2), (in Dutch) Stichting Bouwresearch no. 90, Kluwer Technische Boeken BV, Deventer.
  3. Blocken, B., Roels, S. and Carmeliet, J. (2004), "Modification of pedestrian wind comfort in the Silvertop Tower passages by an automatic control system", J. Wind Eng. Ind. Aerodyn., 92(10), 849-873. https://doi.org/10.1016/j.jweia.2004.04.004
  4. Blocken. B., Carmeliet, J. and Stathopoulos, T. (2007a), "CFD evaluation of the wind speed conditions in passages between buildings - effect of wall-function roughness modifications on the atmospheric boundary layer flow", J. Wind Eng. Ind. Aerodyn., 95(9-11), 941-962. https://doi.org/10.1016/j.jweia.2007.01.013
  5. Blocken, B., Stathopoulos, T. and Carmeliet, J. (2007b), "CFD simulation of the atmospheric boundary layer: wall function problems", Atmos. Environ., 41(2), 238-252. https://doi.org/10.1016/j.atmosenv.2006.08.019
  6. Bottema, M. (2000). "A method for optimisation of wind discomfort criteria", Build. Environ., 35, 1-18. https://doi.org/10.1016/S0360-1323(98)00065-1
  7. Cebeci, T. and Bradshaw, P. (1977), Momentum Transfer in Boundary Layers, Hemisphere Publishing Corporation, New York.
  8. Franke, J., Hirsch, C., Jensen, A. G., Krüs, H. W., Schatzmann, M., Westbury, P. S., Miles, S. D., Wisse, J. A. and Wright, N. G. (2004), "Recommendations on the use of CFD in wind engineering", International Conference on Urban Wind Engineering and Building Aerodynamics, COST Action C14, Impact of Wind and Storm on City Life Built Environment, von Karman Institute, Sint-Genesius-Rode, Belgium.
  9. Franke, J. and Frank, W. (2005), "Numerical simulation of the flow across an asymmetric street intersection", Proceedings of the 4th European and African Conference on Wind Engineering (4EACWE), Prague, Czech Republic.
  10. Franke, J., Hellsten, A., Schlunzen, H. and Carissimo, B. (2007), "Best practice guideline for the CFD simulation of flows in the urban environment", COST Action 732: Quality Assurance and Improvement of Microscale Meteorological Models.
  11. Hargreaves, D. M. and Wright, N. G. (2007), "On the use of the k-$\varepsilon$ model in commercial CFD software to model the neutral atmospheric boundary layer", J. Wind Eng. Ind. Aerodyn., 95(5), 355-369. https://doi.org/10.1016/j.jweia.2006.08.002
  12. Hirsch, C., Bouffioux, V. and Wilquem, F. (2002), "CFD simulation of the impact of new buildings on wind comfort in an urban area", Workshop Proceedings, Cost Action C14, Impact of Wind and Storm on City Life and Built Environment, Nantes, France.
  13. Kim, S.-E. and Choudhury, D. (1995), "A near-wall treatment using wall functions sensitized to pressure gradient", ASME FED Vol. 217, Separated and Complex flows.
  14. Lawson, T. V. and Penwarden, A. D. (1975), "The effects of wind on people in the vicinity of buildings", 4th International Conference on Wind Effects on Buildings and Structures, Heathrow.
  15. Leitl, B. (2000). "Validation data for microscale dispersion modelling", EUROTRAC newsletter 22/2000.
  16. Livesey, F., Inculet, D., Isyumov, N. and Davenport, A. G. (1990), "A scour technique for evaluation of pedestrian winds", J. Wind Eng. Ind. Aerodyn., 36, 779-789. https://doi.org/10.1016/0167-6105(90)90075-N
  17. Mochida, A., Tominaga, Y. and Yoshie, R. (2006), "AIJ Guideline for Practical Applications of CFD to Wind Environment around Buildings", 4th International Symposium on Computational Wind Engineering (CWE2006), Yokohama, Japan.
  18. NEN. (2006a), Wind comfort and wind danger in the built environment, NEN 8100 (in Dutch) Dutch Standard.
  19. NEN. (2006b), Application of mean hourly wind speed statistics for the Netherlands, NPR 6097:2006 (in Dutch). Dutch Practice Guideline.
  20. Richards, P. J. and Hoxey, R. P. (1993), "Appropriate boundary conditions for computational wind engineering models using the k-$\varepsilon$ turbulence model", J. Wind Eng. Ind. Aerodyn., 46&47, 145-153.
  21. Richards, P. J., Quinn, A. D. and Parker, S. (2002), "A 6 m cube in an atmospheric boundary layer flow. Part 2. Computational solutions", Wind Struct., 5(2-4), 177-192. https://doi.org/10.12989/was.2002.5.2_3_4.177
  22. Richards, P. J., Mallison, G. D., McMillan, D. and Li, Y. F. (2002), "Pedestrian level wind speeds in downtown Auckland", Wind Struct., 5(2-4), 151-164. https://doi.org/10.12989/was.2002.5.2_3_4.151
  23. Shih, T. H., Liou, W. W., Shabbir, A. and Zhu, J. (1995), "A new k-$\varepsilon$ eddy-viscosity model for high Reynolds number turbulent flows - model development and validation", Comput. Fluids, 24(3), 227-238. https://doi.org/10.1016/0045-7930(94)00032-T
  24. Simiu, E. and Scanlan, R. H. (1986), Wind effects on structures. An introduction to wind engineering, Second Edition, John Wiley and Sons, New York.
  25. Stathopoulos, T. and Storms, R. (1986), "Wind environmental conditions in passages between buildings", J. Wind Eng. Ind. Aerodyn., 24, 19-31. https://doi.org/10.1016/0167-6105(86)90070-X
  26. Stathopoulos, T. (2002), "The numerical wind tunnel for industrial aerodynamics: Real or virtual in the new millennium?", Wind Struct., 5(2-4), 193-208. https://doi.org/10.12989/was.2002.5.2_3_4.193
  27. Verkaik, J. W. (2006), "On wind and roughness over land", PhD thesis, Wageningen Universiteit, Wageningen, The Netherlands.
  28. Wieringa, J. (1992), "Updating the Davenport roughness classification", J. Wind Eng. Ind. Aerodyn., 41-44, 357-368.
  29. Willemsen, E. and Wisse, J. A. (2002), "Accuracy of assessment of wind speed in the built environment", J. Wind Eng. Ind. Aerodyn., 90, 1183-1190. https://doi.org/10.1016/S0167-6105(02)00231-3
  30. Willemsen, E. and Wisse, J. A. (2007), "Design for wind comfort in The Netherlands: Procedures, criteria and open research issues", J. Wind Eng. Ind. Aerodyn., 95(9-11), 1541-1550. https://doi.org/10.1016/j.jweia.2007.02.006
  31. Wiren, B. G. (1975), "A wind tunnel study of wind velocities in passages between and through buildings", 4th International Conference on Wind Effects on Buildings and Structures, Heathrow.
  32. Wise, A. F. E. (1970), "Wind effects due to groups of buildings", Royal Society Symposium Architectural Aerodynamics, London.
  33. Wisse, J. A. and Willemsen, E. (2003), "Standardization of wind comfort evaluation in the Netherlands", 11th International Conference on Wind Engineering (11ICWE), Lubbock, Texas.
  34. Wisse, J. A., Verkaik, J. W. and Willemsen, E. (2007), "Climatology aspects of a wind comfort code", 12th International Conference on Wind Engineering (12ICWE), Cairns, Australia.
  35. Yang, W., Quan, Y., Jin, X., Tamura, Y. and Gu, M. (2007), "Influences of equilibrium atmosphere boundary layer and turbulence parameters on wind load distributions of low-rise buildings", J. Wind Eng. Ind. Aerodyn., Accepted for publication.
  36. Yoshie, R., Mochida, A., Tominaga, Y., Kataoka, H., Harimoto, K., Nozu, T. and Shirasawa, T. (2007), "Cooperative project for CFD prediction of pedestrian wind environment in the Architectural Institute of Japan", J. Wind Eng. Ind. Aerodyn., 95(9-11), 1551-1578. https://doi.org/10.1016/j.jweia.2007.02.023

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