Numerical Simulation of Atmospheric Boundary Layer Considering Wind Veering Based on Modified Shear-Stress Transport k-ω Turbulence Model

doi:10.11908/j.issn.0253-374x.21280

Home > Archive>Volume 50, Issue 6, 2022 >821-830. DOI:10.11908/j.issn.0253-374x.21280

Numerical Simulation of Atmospheric Boundary Layer Considering Wind Veering Based on Modified Shear-Stress Transport k-ω Turbulence Model
DOI:
                        10.11908/j.issn.0253-374x.21280
                    
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                        FENG ChengdongFENG Chengdong
State Key Laboratory for Disaster Reduction in Civil Engineering， Tongji University， Shanghai 200092， China
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GU MingGU Ming
State Key Laboratory for Disaster Reduction in Civil Engineering， Tongji University， Shanghai 200092， China
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Affiliation:State Key Laboratory for Disaster Reduction in Civil Engineering， Tongji University， Shanghai 200092， China
Clc Number:O357.5+2;TU973+.32
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Abstract:

Based on the shear-stress transport （SST） k-ω model， a “modified SST k-ω model” was proposed by modifying the model parameters， the source terms， and the turbulent viscosity. A computational fluid dynamics （CFD） simulation of atmospheric boundary layer （ABL） considering wind veering was performed by using this modified model. The self-sustainable method was discussed in detail including the precursor simulations and the main simulations. The research shows that the simulation results of the modified SST k-ω model are consistent with field measurement values. The physical quantities can be self-sustained well by applying the wind profiles obtained from the precursor simulations as inflow conditions in the main simulations.

Key words:computational fluid dynamics;atmospheric boundary layer;self-sustaining;modified shear-stress transport k-ω model;coriolis force

Reference

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FENG Chengdong, GU Ming. Numerical Simulation of Atmospheric Boundary Layer Considering Wind Veering Based on Modified Shear-Stress Transport k-ω Turbulence Model[J].同济大学学报(自然科学版),2022,50(6):821~830

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Received:June 22,2021
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Online: July 04,2022
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