Wind and Structures

Techno-Press (테크노프레스)
권호 표지
DOI QR코드

DOI QR Code

Numerical determination of wind forces acting on structural elements in the shape of a curved pipe

  • Padewska-Jurczak, Agnieszka (Department of Mechanics and Bridges, Faculty of Civil Engineering, Silesian University of Technology) ;
  • Szczepaniak, Piotr (Department of Mechanics and Bridges, Faculty of Civil Engineering, Silesian University of Technology) ;
  • Bulinski, Zbigniew (Institute of Thermal Technology, Faculty of Energy and Environmental Engineering, Silesian University of Technology)
  • Received : 2018.09.10
  • Accepted : 2019.08.10
  • Published : 2020.01.25
⟨ Previous Next ⟩

Abstract

This paper reports the study on development and verification of numerical models and analyzes of flow at high speed around structural elements in the shape of a curved pipe (e.g., a fragment of a water slide). Possibility of engineering estimation of wind forces acting on an object in the shape of a helix is presented, using relationships concerning toroidal and cylindrical elements. Determination of useful engineering parameters (such as aerodynamic forces, pressure distribution, and air velocity field) is presented, impossible to obtain from the existing standard EN 1991-1-4 (the so-called wind standard). For this purpose, flow at high speed around a torus and helix, arranged both near planar surface and high above it, was analyzed. Analyzes begin with the flow around a cylinder. This is the simplest object with a circular cross-section and at the same time the most studied in the literature. Based on this model, more complex models are analyzed: first in the shape of half of a torus, next in the shape of a helix.

Keywords

References

  1. Adachi, T. (1995), "The effect of surface roughness of a body in the high Reynolds - number flow", Int. J. Rotating Mach., 2, 23-32. https://doi.org/10.1155/S1023621X95000066.
  2. Anderson, J. (1995), Computational Fluid Dynamics. The Basics with Application, McGraw-Hill, Inc., USA.
  3. ANSYS Inc. (2013), ANSYS Documentation for Release 15/Customer Training Material.
  4. Bazilevs, Y., Takizawa, K. and Tezduyar, T. (2013), Computational Fluid-Structure Interaction: Methods and Applications, John Wiley and Sons, Ltd.
  5. Blocken, B. and Carmeliet, J. (2004), "Pedestrian Wind Environment Around Buildings: Literature Review and Practical Examples", J. Therm. Envelope Build. Sci., 28(2), 107-159. https://doi.org/10.1177/1097196304044396.
  6. Blocken, B. and Gualtieri, C. (2012), "Ten iterative steps for model development and evaluation applied to Computational Fluid Dynamics for Environmental Fluid Mechanics", Environ. Model. Softw., 33, 1-22. https://doi.org/10.1016/j.envsoft.2012.02.001
  7. Catalano, P., Wang, M., Iaccarino, G. and Moin, P. (2003), "Numerical simulation of the flow around a circular cylinder at high Reynolds numbers", Int. J. Heat Fluid Fl., 24, 463-469. https://doi.org/10.1016/S0142-727X(03)00061-4.
  8. CEN (2005), EN 1991-1-4 Eurocode 1: Actions on structures -Part 1-4: General actions - Wind actions with National Annex, CEN, PKN, Brussels, Warszawa.
  9. Dassault Systemes (2010), Introduction to Abaqus/CFD. Velizy-Villacoublay, France.
  10. Jiyuan, T., Guan, H. and Chaoqun, L. (2008), Computational Fluid Dynamics. A Practical Approach, Elsevier Inc., USA.
  11. Jones, J.G.W. and Cincotta, J. (1969), "Aerodynamic forces on a stationary and oscillating circular cylinder at high Reynolds numbers", Washington.
  12. Lienhard, J.H. (1966), "Synopsis of lift, drag, and vortex frequency data for rigid circular cylinders", Washingt. State Univ. Coll. Eng. Res. Div. Bull. U.S.A.
  13. Lysenko, D.A., Ertesvag, I.S. and Rian, K.E. (2013), "Modeling of turbulent separated flows using OpenFOAM", Comput. Fluids, 80, 408-422. https://doi.org/10.1016/j.compfluid.2012.01.015.
  14. Noorani, A., El Khoury, G.K. and Schlatter, P. (2013), "Evolution of turbulence characteristics from straight to curved pipes", Int. J. Heat Fluid Fl., 41, 16-26. https://doi.org/10.1016/j.ijheatfluidflow.2013.03.005.
  15. Padewska, A. (2016), "Poglębiona analiza numeryczna oddzialywania wiatru na obiekty budowlane o nietypowym ksztalcie i ukladzie", Silesian University of Technology.
  16. Padewska, A., Szczepaniak, P. and Wawrzynek, A. (2015), "Oddzialywanie wiatru na obiekt o nietypowym ksztalcie", Inżynieria i Bud., 71, 381-385.
  17. Padewska, A., Szczepaniak, P. and Wawrzynek, A. (2014), "Analysis of fluid-structure interaction of a torus subjected to wind loads", Comput. Assist. Method. Eng. Sci., 21, 151-167.
  18. Perrin, R., Braza, M., Cid, E., Cazin, S., Barthet, A., Sevrain, A., Mockett, C. and Thiele, F. (2007), "Obtaining phase averaged turbulence properties in the near wake of a circular cylinder at high Reynolds number using POD", Exp. Fluids, 43, 341-355. https://doi.org/10.1007/s00348-007-0347-6.
  19. Rashidi, M., Kadambi, J. and Kerze, D. (2012), "Wind flow regime around a 3 dimensional helical structure", Proceedings of the ASME 2012 International Mechanical Engineering Congress and Exposition, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D. Houston, Texas, USA.
  20. Robertson, E., Choudhury, V., Bhushan, S. and Walters, D.K. (2015), "Validation of OpenFOAM numerical methods and turbulence models for incompressible bluff body flows", Comput. Fluids, 123, 122-145. https://doi.org/10.1016/j.compfluid.2015.09.010
  21. Roshko, A. (1960), "Experiments on the flow past a circular cylinder at very high Reynolds number", J. of Fluid Mech., 10(3), 345-356. https://doi.org/10.1017/S0022112061000950.
  22. Salvatici, E. and Salvetti, M.V. (2003), "Large eddy simulations of the flow around a circular cylinder: effects of grid resolution andsubgrid scale modeling", Wind Struct., Int. J., 6(6), 419-436. https://doi.org/10.12989/was.2003.6.6.419
  23. Su, Z.D. and Zhang, H.J. (2004), "Unsteady Incompressible Viscous Flows around Two Circular Cylinders in Tandem", Proceedings of the 10th Asian Congress of Fluid Mechanics, Sri Lanka.
  24. Suga, K., Craft, T.J. and Iacovides, H. (2005), "Extending an analytical wall-function for turbulent flows over rough walls, in: engineering turbulence modelling and experiments", Sardinia, Italy, 157-166. https://doi.org/10.1016/B978-008044544-1/50014-5.
  25. Tominaga, Y., Mochida, A., Yoshie, R., Kataoka, H., Nozu, T., Yoshikawa, M. and Shirasawa, T. (2008), "AIJ guidelines for practical applications of CFD to pedestrian wind environment around buildings", J. Wind Eng. Ind. Aerod., 96(10-11), 1749-1761. https://doi.org/10.1016/j.jweia.2008.02.058.
  26. Szczepaniak, P. and Padewska, A. (2014), "Wind load of a curved circular cylinder structures", (Eds., Jendzelovsky, N. and Grmanova, A.), 12th International Conference on New Trends in Statics and Dynamics of Buildings, Bratislava: Slovak University of Technology, Bratislava, Slovakia, 769, 517-530. https://doi.org/10.4028/www.scientific.net/AMM.769.172.
  27. Van Dyke, M., 1988, An Album of Fluid Motion, The Parabolic Press, Stanford, California. USA.
  28. Versteeg, H. and Malalasekera, W. (2007), An Introduction to computational fluid dynamics: the finite volume method, Pearson Education Ltd.
  29. Warschauer, K. and Leene, J. (1971), "Experiments on mean and fluctuating pressures of circular cylinders at cross flow at very high Reynolds number", Proc. Int. Conf. on Wind Effects on Buildings and Structures, Tokyo, Japan, 305-315.
  30. Wilcox, D. (2006), Turbulence Modelling for CFD, DCW Industries, USA.
  31. Yeo, D. and Jones, N. (2011), "Computational Study on 3-D Aerodynamic Characteristics of Flow around a Yawed, Inclined, Circular Cylinder", Urbana-Champaign.
  32. Yuan, W., Yu, N. and Wang, Z. (2018), "The effects of grooves on wind characteristics of tall cylinder buildings", Wind Struct., Int. J., 26(2), 89-98. https://doi.org/10.12989/was.2018.26.2.089.
  33. Zdravkovich, M. (1997), Flow around Circular Cylinders. Fundamentals, vol.1, Oxford University Press, UK.