Extreme value distributions for peak pressure and load coefficients

Henry W. Tieleman, Mohamed A.K. Elsayed, Zhongfu Ge, Muhammad R. Hajj

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The distributions of peak suction forces in separation regions on a surface-mounted prism are well represented by the Extreme Value Type I (Gumbel) distribution. The distributions of the peak coefficients representing these forces from either laboratory or field experiments are obtained either with the method of moment estimators or with the analytical Sadek-Simiu analysis. The laboratory-based results are mostly independent of the method selected to obtain the distributions. On the other hand, those of the field data obtained with the method of moment estimators are dependent on the scatter of the individual peak coefficients and their distributions are based on peaks obtained over the duration of the number of successive records, while the Sadek-Simiu method is based on the duration of just a single record.

Original languageEnglish
Pages (from-to)1111-1123
Number of pages13
JournalJournal of Wind Engineering and Industrial Aerodynamics
Volume96
Issue number6-7
DOIs
StatePublished - Jun 2008

Keywords

  • Gamma distribution
  • Gumbel distribution
  • Method of moments
  • Peak load coefficients
  • Peak pressure coefficients
  • Sadek-Simiu procedure

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