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Related citation:LIN Lian-lei,YAN Fang.A modeling method of microburst based on multiple vortex ring[J].Journal of Harbin Institute Of Technology(New Series),2012,19(6):111-114.DOI:10.11916/j.issn.1005-9113.2012.06.019.
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A modeling method of microburst based on multiple vortex ring
Author NameAffiliation
LIN Lian-lei Dept. of Automatic Test and Control, Harbin Institute of Technology, Harbin 150001, China 
YAN Fang Dept. of Automatic Test and Control, Harbin Institute of Technology, Harbin 150001, China 
Abstract:
Microburst is a special kind of low-level wind shear, which may do great damage to aircrafts. Modelling of a microburst is significant for flight simulations. In this paper we adopt multiple vortex ring principle to model microburst and propose a new parameter selection method of multiple vortex ring model. We treat the parameters selection as an optimization problem, and introduce the differential evolution algorithm into it. A nested differential evolution algorithm is proposed to complete the two optimization process, objective optimization and intermediate optimization. The simulation results show that this method can flexibly generate microburst with any maximum wind velocity.
Key words:  microburst  multiple vortex ring  parameter selection  nested differential evolution
DOI：10.11916/j.issn.1005-9113.2012.06.019
Clc Number:TP202.7
Fund:

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