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건물 표면의 풍압분포에 관한 수치적 예측

Numerical Prediction of Wind Pressure Distribution over Building

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초록

A numerical simulation with turbulence model is carried out to simulate building aerodynamics. Specifically, the computation is carried out against the TTU building and the results are compared with the field data, wind tunnel experimental data, and those obtained by the computation with model. It is found that the predicted mean pressure coefficient distribution agreed well with the reference data. Rms pressure coefficient and peak pressure coefficient distribution were also estimated, predicted well when compared with the turbulence model.

Abstract

A numerical simulation with turbulence model is carried out to simulate building aerodynamics. Specifically, the computation is carried out against the TTU building and the results are compared with the field data, wind tunnel experimental data, and those obtained by the computation with model. It is found that the predicted mean pressure coefficient distribution agreed well with the reference data. Rms pressure coefficient and peak pressure coefficient distribution were also estimated, predicted well when compared with the turbulence model.

참고문헌 (15)

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  2. He, J., "A numerical study of wind flow around the TTU building and the roof corner vortex", J. Wind Eng. & Indust. Aerodyn, 67 & 68, pp.547~558 (1997)
  3. Okada, A., "Comparison of wind tunnel and full scale pressure measurement tests on the Texas Tech Building", J. Wind Eng. & Indust. Aerodyn, 41-44, pp.1601~1612 (1992)
  4. 지호성, "PIV 기법을 이용한 저층 건물 주위의 유동구조에 관한 연구", 박사, pp.2001
  5. Selvam, R.P., "Computation of pressures on Texas Tech building", J. Wind Eng. & Indust. Aerodyn, 41-44, pp.1619~1627 (1992)
  6. Mochida, A., "Numerical simulation of flowfield around Texas Tech Building by large eddy simulation", J. Wind Eng. & Indust. Aerodyn, 46, pp.455~460 (1993)
  7. He, J., "A numerical study of wind flow around the TTU building and the roof corner vortex", J. Wind Eng. & Indust. Aerodyn, 67, pp.547~558 (1997)
  8. Senthooran, S., "A computational model to calculate the flow-induced pressure fluctuations on building", J. Wind Eng. & Indust. Aerodyn, 92, pp.1131~1145 (2004)
  9. Driver, D.M., "Features of a reattaching turbulent shear layer in divergent channel flow", AIAA J, 23(2), pp.163~171 (1985)
  10. Wilcox, D.C., "Turbulence Modeling for CFD,second edition" (2000), DCW Ind
  11. Turbulence modeling validation, testing, and development prediction, "Bardina, J.E.", ~, pp.NASA TM-110446 (1997)
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  13. Constantinescu, G., "Numerical investigations of flow over a sphere in the subcritical and supercritical regimes", Physics of Fluids, 16(5), pp.1449~1466 (2004)
  14. Ham, H.J., "Wind tunnel simulation of TTU flow and building roof pressure", J. Wind Eng. & Indust. Aerodyn, 77-78, pp.119~133 (1998)
  15. Bekele, S.A., "A comparative investigation of the TTU pressure envelope. Numerical versus laboratory and full scale results", Wind and Structure, 5, pp.337~346 (2002)

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