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Wind and Structures
  Volume 17, Number 2, August 2013 , pages 123-133

A proposed model of the pressure field in a downburst
Z. Tang and L.Y. Lu

    Pressure field and velocity profiles in a thunderstorm downburst are significantly different from that of an atmospheric boundary layer wind. A model of the pressure field in a downburst is presented in accordance with the experimental and numerical results. Large eddy simulation method is employed to investigate transient pressure field on impingement ground of a downburst. In addition, velocity profiles of the downburst are studied, and good agreement is achieved between the present results and the data obtained from empirical models.
Key Words
    thunderstorm downburst; pressure field; large eddy simulation
Z. Tang and L.Y. Lu : Key Laboratory for RC & PC Structures of Ministry of Education, Southeast University, Nanjing 210096, China

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