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RISS 인기검색어
- 검색키워드
- 저자 : Tim K.T. Tse (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Yang, Yi,Xie, Zhuangning,Tse, Tim K.T.,Jin, Xinyang,Gu, Ming Techno-Press 2012 Wind and Structures, An International Journal (WAS Vol.15 No.5
In this paper, the method of introducing additional source/sink terms in the turbulence and momentum transport equations was applied to appropriately model the effect of the tree canopy. At first, the new additional source term for the turbulence frequency ${\omega}$ equation in the SST k-${\omega}$ model was proposed through theoretical analogy. Then the new source/sink term model for the SST k-${\omega}$ model was numerically verified. At last, the proposed source term model was adopted in the wind environment optimal design of the twin high-rise buildings of CABR (China Academy of Building Research). Based on the numerical simulations, the technical measure to ameliorate the wind environment was proposed. Using the new inflow boundary conditions developed in the previous studies, it was concluded that the theoretically reasonable source term model of the SST k-${\omega}$ model was applicable for modeling the tree canopy flow and accurate numerical results are obtained.
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Yi Yang,Zhuangning Xie,Tim K.T. Tse,Xinyang Jin,Ming Gu 한국풍공학회 2012 Wind and Structures, An International Journal (WAS Vol.15 No.5
In this paper, the method of introducing additional source/sink terms in the turbulence and momentum transport equations was applied to appropriately model the effect of the tree canopy. At first, the new additional source term for the turbulence frequency ω equation in the SST k-ω model was proposed through theoretical analogy. Then the new source/sink term model for the SST k-ω model was numerically verified. At last, the proposed source term model was adopted in the wind environment optimal design of the twin high-rise buildings of CABR (China Academy of Building Research). Based on the numerical simulations, the technical measure to ameliorate the wind environment was proposed. Using the new inflow boundary conditions developed in the previous studies, it was concluded that the theoretically reasonable source term model of the SST k-ω model was applicable for modeling the tree canopy flow and accurate numerical results are obtained.
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International high-frequency base balance benchmark study
John D. Holmes,Tim K.T. Tse 한국풍공학회 2014 한국풍공학회지 Vol.18 No.4
A summary of the main results from an international comparative study for the high-frequency base balance is given. Two buildings were specified – a 'basic' and an 'advanced' building. The latter had more complex dynamic response with coupled modes of vibration. The predicted base moments generally showed good agreement amongst the participating groups, but less good agreement was found for the roof accelerations which are dominated by the resonant response, and subject to measurement errors for the generalized force spectra, to varying mode shape correction techniques, and different methods used for combining acceleration components.
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International high-frequency base balance benchmark study
Holmes, John D.,Tse, Tim K.T. Techno-Press 2014 Wind and Structures, An International Journal (WAS Vol.18 No.4
A summary of the main results from an international comparative study for the high-frequency base balance is given. Two buildings were specified - a 'basic' and an 'advanced' building. The latter had more complex dynamic response with coupled modes of vibration. The predicted base moments generally showed good agreement amongst the participating groups, but less good agreement was found for the roof accelerations which are dominated by the resonant response, and subject to measurement errors for the generalized force spectra, to varying mode shape correction techniques, and different methods used for combining acceleration components.
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