Wind and Structures

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Characteristics of thunderstorms relevant to the wind loading of structures

  • Solari, Giovanni (Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa) ;
  • Burlando, Massimiliano (Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa) ;
  • De Gaetano, Patrizia (Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa) ;
  • Repetto, Maria Pia (Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa)
  • Received : 2015.01.02
  • Accepted : 2015.04.21
  • Published : 2015.06.25
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Abstract

"Wind and Ports" is a European project that has been carried out since 2009 to handle wind forecast in port areas through an integrated system made up of an extensive in-situ wind monitoring network, the numerical simulation of wind fields, the statistical analysis of wind climate, and algorithms for medium-term (1-3 days) and short term (0.5-2 hours) wind forecasting. The in-situ wind monitoring network, currently made up of 22 ultrasonic anemometers, provides a unique opportunity for detecting high resolution thunderstorm records and studying their dominant characteristics relevant to wind engineering with special concern for wind actions on structures. In such a framework, the wind velocity of thunderstorms is firstly decomposed into the sum of a slowly-varying mean part plus a residual fluctuation dealt with as a non-stationary random process. The fluctuation, in turn, is expressed as the product of its slowly-varying standard deviation by a reduced turbulence component dealt with as a rapidly-varying stationary Gaussian random process with zero mean and unit standard deviation. The extraction of the mean part of the wind velocity is carried out through a moving average filter, and the effect of the moving average period on the statistical properties of the decomposed signals is evaluated. Among other aspects, special attention is given to the thunderstorm duration, the turbulence intensity, the power spectral density and the integral length scale. Some noteworthy wind velocity ratios that play a crucial role in the thunderstorm loading and response of structures are also analyzed.

Keywords

References

  1. Abd-Elaal, E.S., Mills, J.E. and Ma, X. (2014), "Empirical models for predicting unsteady-state downburst wind speeds", J. Wind Eng. Ind. Aerod., 129, 49-63. https://doi.org/10.1016/j.jweia.2014.03.011
  2. Burlando, M., Carassale, L., Georgieva, E., Ratto, C.F. and Solari, G. (2007), "A simple and efficient procedure for the numerical simulation of wind fields in complex terrain", Bound. Lay. Meteorol., 125(3), 417-439. https://doi.org/10.1007/s10546-007-9196-3
  3. Burlando, M., Freda, A., Ratto, C.F. and Solari, G. (2010), "A pilot study of the wind speed along the Rome-Naples HS/HC railway line. Part 1-Numerical modelling and wind simulations", J. Wind Eng. Ind. Aerod., 98, 392-403. https://doi.org/10.1016/j.jweia.2009.12.006
  4. Burlando, M., De Gaetano, P., Pizzo, M., Repetto, M.P., Solari, G. and Tizzi, M. (2013), "Wind climate analysis in complex terrain", J. Wind Eng. Ind. Aerod., 123, 349-362. https://doi.org/10.1016/j.jweia.2013.09.016
  5. Burlando, M., Pizzo, M., Repetto, M.P., Solari, G., De Gaetano and P., Tizzi, M. (2014), "Short-term wind forecasting for the safety management of complex areas during hazardous wind events", J. Wind Eng. Ind. Aerod., 135, 170-181. https://doi.org/10.1016/j.jweia.2014.07.006
  6. Burlando, M., De Gaetano, P., Pizzo, M., Repetto, M.P., Solari, G. and Tizzi, M. (2015), "The European project 'Wind, Port and Seas'", Proceedings of the 14th International Conference on Wind Engineering, Porto Alegre, Brasil.
  7. Castino, F., Rusca, L. and Solari, G. (2003), "Wind climate micro-zoning: A pilot application to Liguria Region (North-Western Italy)", J. Wind Eng. Ind. Aerod., 91, 1353-1375. https://doi.org/10.1016/j.jweia.2003.08.004
  8. Chay, M.T., Albermani, F. and Wilson, B. (2006), "Numerical and analytical simulation of downburst wind loads", Eng. Struct., 28(2), 240-254. https://doi.org/10.1016/j.engstruct.2005.07.007
  9. Chay, M.T., Wilson, R. and Albermani, F (2008), "Gust occurrence in simulated non-stationary winds", J. Wind Eng. Ind. Aerod., 96(10-11), 2161-2172. https://doi.org/10.1016/j.jweia.2008.02.059
  10. Chen, L. and Letchford, C.W. (2004), "A deterministic-stochastic hybrid model of downbursts and its impact on a cantilevered structure", Eng. Struct., 26(5), 619-629. https://doi.org/10.1016/j.engstruct.2003.12.009
  11. Chen, L. and Letchford, C.W. (2005), "Proper orthogonal decomposition of two vertical profiles of full-scale nonstationary correlated downburst wind speeds", J. Wind Eng. Ind. Aerod., 93(3), 187-266. https://doi.org/10.1016/j.jweia.2004.11.004
  12. Chen, L. and Letchford, C.W. (2006), "Multi-scale correlation analyses of two lateral profiles of full-scale downburst wind speeds", J. Wind Eng. Ind. Aerod., 94, 675-696. https://doi.org/10.1016/j.jweia.2006.01.021
  13. Chen, L. and Letchford, C.W. (2007), "Numerical simulation of extreme winds from thunderstorm downbursts", J. Wind Eng. Ind. Aerod., 95, 977-990. https://doi.org/10.1016/j.jweia.2007.01.021
  14. Choi, E.C.C. (2000), "Wind characteristics of tropical thunderstorms", J. Wind Eng. Ind. Aerod., 84, 215-226. https://doi.org/10.1016/S0167-6105(99)00054-9
  15. Choi, E.C.C. (2004), "Field measurement and experimental study of wind speed during thunderstorms", J. Wind Eng. Ind. Aerod., 92, 275-290. https://doi.org/10.1016/j.jweia.2003.12.001
  16. Choi, E.C.C. and Hidayat, F.A. (2002a), "Gust factors for thunderstorm and non-thunderstorm winds", J. Wind Eng. Ind. Aerod., 90, 1683-1696. https://doi.org/10.1016/S0167-6105(02)00279-9
  17. Choi, E.C.C. and Hidayat, F.A. (2002b), "Dynamic response of structures to thunderstorm winds", Prog. Struct. Eng. Mat., 4(4), 408-416. https://doi.org/10.1002/pse.132
  18. De Gaetano, P., Repetto, M.P., Repetto, T. and Solari, G. (2013), "Separation and classification of extreme wind events from anemometric data", J. Wind Eng. Ind. Aerod., 126, 132-143.
  19. Duranona, V., Sterling, M. and Baker, C.J. (2006), "An analysis of extreme non-synoptic winds", J. Wind Eng. Ind. Aerod., 95, 1007-1027.
  20. Engineering Sciences Data Unit (1993), Computer program for wind speeds and turbulence properties: flat or hill sites in terrain with roughness changes, ESDU Item 92032, London, U.K.
  21. Fujita, T.T. (1990), "Downburst: meteorological features and wind field characteristics", J. Wind Eng. Ind. Aerod., 36, 75-86. https://doi.org/10.1016/0167-6105(90)90294-M
  22. Geerts, B. (2001), "Estimating downburst-related maximum surface wind speeds by means of proximity soundings in New South Wales, Australia", Weather Forecast, 16(2), 261-269. https://doi.org/10.1175/1520-0434(2001)016<0261:EDRMSW>2.0.CO;2
  23. Gunter, W.S. and Schroeder, J.L. (2013), "High-resolution full-scale measurements of thunderstorm outflow winds", Proceedings of the 12th Americas Conference on Wind Engineering, Seattle, Washington.
  24. Holmes, J.D. and Oliver, S.E. (2000), "An empirical model of a downburst", Eng. Struct., 22(9), 1167-1172. https://doi.org/10.1016/S0141-0296(99)00058-9
  25. Holmes, J.D., Hangan, H.M., Schroeder, J.L., Letchford, C.W. and Orwig, K.D. (2008), "A forensic study of the Lubbock-Reese downdraft of 2002", Wind Struct., 11(2), 19-39. https://doi.org/10.12989/was.2008.11.1.019
  26. Kasperski, M. (2002), "A new wind zone map of Germany", J. Wind Eng. Ind. Aerod., 90, 1271-1287. https://doi.org/10.1016/S0167-6105(02)00257-X
  27. Kim, J. and Hangan, H. (2007), "Numerical simulations of impinging jets with application to downbursts", J. Wind Eng. Ind. Aerod., 95(4), 279-298. https://doi.org/10.1016/j.jweia.2006.07.002
  28. Kwon, D.K. and Kareem, A. (2009), "Gust-front factor: New framework for wind load effects on structures", J. Struct. Eng.-ASCE, 135(6), 717-732. https://doi.org/10.1061/(ASCE)0733-9445(2009)135:6(717)
  29. Lombardo, F.T., Smith, D.A., Schroeder, J.L. and Mehta, K.C. (2014), "Thunderstorm characteristics of importance to wind engineering", J. Wind Eng. Ind. Aerod., 125, 121-132. https://doi.org/10.1016/j.jweia.2013.12.004
  30. Mason, M.S., Wood, G.S. and Fletcher, D.F. (2009), "Numerical simulation of downburst winds", J. Wind Eng. Ind. Aerod., 97, 523-539. https://doi.org/10.1016/j.jweia.2009.07.010
  31. McCullough, M., Kwon, D.K., Kareem, A. and Wang, L. (2014), "Efficacy of averaging interval for nonstationary winds", J. Eng. Mech.-ASCE, 140(1), 1-19. https://doi.org/10.1061/(ASCE)EM.1943-7889.0000641
  32. Olesen, H.R., Larsen, S.E. and Hojstrup, J. (1984), "Modelling velocity spectra in the lower part of the planetary boundary layer", Bound.-Lay. Meteorol., 29(3), 285-312. https://doi.org/10.1007/BF00119794
  33. Orf, L., Kantor, E. and Savory, E. (2012), "Simulation of a downburst-producing thunderstorm using a very high-resolution three-dimensional cloud model", J. Wind Eng. Ind. Aerod., 104-106, 547-557. https://doi.org/10.1016/j.jweia.2012.02.020
  34. Orwig, K.D. and Schroeder, J.L. (2007), "Near-surface wind characteristics of extreme thunderstorm outflows", J. Wind Eng. Ind. Aerod., 95, 565-584. https://doi.org/10.1016/j.jweia.2006.12.002
  35. Riera, J.D. and Ponte, J. Jr. (2012), "Recent Brazilian research on thunderstorm winds and their effects on structural design", Wind Struct., 15(2), 111-129. https://doi.org/10.12989/was.2012.15.2.111
  36. Solari, G. (1987), "Turbulence modeling for gust loading", J. Struct. Eng.-ASCE, 113(7), 1550-1569. https://doi.org/10.1061/(ASCE)0733-9445(1987)113:7(1550)
  37. Solari, G. (1993), "Gust buffeting. I: peak wind velocity and equivalent pressure", J. Struct. Eng.-ASCE, 119(2), 365-382. https://doi.org/10.1061/(ASCE)0733-9445(1993)119:2(365)
  38. Solari, G. (2014), "Emerging issues and new scenarios for wind loading on structures in mixed climates", Wind Struct., 19(3), 295-320. https://doi.org/10.12989/was.2014.19.3.295
  39. Solari, G., De Gaetano, P. and Repetto, M.P. (2015), "Thunderstorm response spectrum: fundamentals and case study", J. Wind Eng. Ind. Aerod., 143, 62-77. https://doi.org/10.1016/j.jweia.2015.04.009
  40. Solari, G. and Piccardo, G. (2001), "Probabilistic 3-D turbulence modeling for gust buffeting of structures", Prob. Eng. Mech., 16(1), 73-86. https://doi.org/10.1016/S0266-8920(00)00010-2
  41. Solari, G., Repetto, M.P., Burlando, M., De Gaetano, P., Pizzo, M., Tizzi, M. and Parodi, M. (2012), "The wind forecast for safety and management of port areas", J. Wind Eng. Ind. Aerod., 104-106, 266-277. https://doi.org/10.1016/j.jweia.2012.03.029
  42. Solari, G. and Tubino, F. (2002), "A turbulence model based on principal components", Prob. Eng. Mech., 17(4), 327-335. https://doi.org/10.1016/S0266-8920(02)00016-4
  43. Vermeire, B.C., Orf, L.G. and Savory, E. (2011), "Improved modeling of downburst outflows for wind engineering applications using a cooling source approach", J. Wind Eng. Ind. Aerod., 99, 801-814. https://doi.org/10.1016/j.jweia.2011.03.003
  44. Wood, G.S., Kwok, K.C.S., Motteram, N.A. and Fletcher, D.F. (2001), "Physical and numerical modelling of thunderstorm downburst", J. Wind Eng. Ind. Aerod., 89, 535-552. https://doi.org/10.1016/S0167-6105(00)00090-8
  45. Xu, Z. and Hangan, H. (2008), "Scale, boundary and inlet condition effects on impinging jets", J. Wind Eng. Ind. Aerod., 96, 2383-2402. https://doi.org/10.1016/j.jweia.2008.04.002

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