|Water Science and Engineering 2010, 3(1) 75-84 DOI: 10.3882/j.issn.1674-2370.2010.01.008 ISSN: 1674-2370 CN: 32-1785/TV|
|Current Issue | Archive | Search [Print] [Close]|
Vibration analysis of hydropower house based on fluid-structure coupling numerical method
Shu-he WEI,Liao-jun ZHANG
College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, P. R. China
By using the shear stress transport (SST) model to predict the effect of random flow motion in a fluid zone, and using the Newmark method to solve the oscillation equations in a solid zone, a coupling model of the powerhouse and its tube water was developed. The effects of fluid-structure interaction are considered through the kinematic and dynamic conditions applied to the fluid-structure interfaces (FSI). Numerical simulation of turbulent flow through the whole flow passage of the powerhouse and concrete structure vibration analysis in the time domain were carried out with the model. Considering the effect of coupling the turbulence and the powerhouse structure, the time history response of both turbulent flows through the whole flow passage and powerhouse structure vibration were generated. Concrete structure vibration analysis shows that the displacement, velocity, and acceleration of the dynamo floor respond dramatically to pressure fluctuations in the flow passage. Furthermore, the spectrum analysis suggests that pressure fluctuation originating from the static and dynamic disturbances of hydraulic turbine blades in the flow passage is one of the most important vibration sources.
|Keywords： hydropower house fluid-structure interaction Navier-Stokes equations structural vibration numerical simulation|
|Received 2010-04-02 Revised Online: 2010-04-02|
This work was supported by the National Natural Science Foundation of China (Grant No. 90510017).
|Corresponding Authors: Shu-he WEI|
Anwer, S. F., Hasan, N., Sanghi, S., and Mukherjee, S. 2009. Computation of unsteady flows with moving boundaries using body fitted curvilinear moving grids. Computers and Structures, 87(11-12), 691-700. [doi:10.1016/j.compstruc.2008.11.002]
Attila, P. 2010. Efficient solution of a vibration equation involving fractional derivatives. International Journal of Non-Linear Mechanics, 45(2), 169-175. [doi:10.1016/j.ijnonlinmec.2009.10.006]
Chen, Y. H., and Su, Y. P. 2009. Application of ADINA to modeling of fluid-structure interaction in buried liquid-conveying pipeline. 2009 Second International Conference on Information and Computing Science, 288-291. [doi:10.1109/ICIC.2009.383]
Dettmer, W., and Peri?, D. 2006. A computational framework for fluid-structure interaction: Finite element formulation and applications. Computer Methods in Applied Mechanics and Engineering, 195(41-43), 5754-5779. [doi:10.1016/j.cma.2005.10.019]
Ge, L., and Sotiropoulos, F. 2007. A numerical method for solving the 3D unsteady incompressible Navier-Stokes equations in curvilinear domains with complex innersed boundaries. Journal of Computational Physics, 225(2), 1782-1809. [doi:10.1016/j.jcp.2007.02.017]
Leschnizer, M. A. 1995. Computation of aerodynamic flows with turbulence-transport models based on second-moment closure. Computers and Fluids, 24(4), 377-392.
Matthias, H. 2003. An efficient solver for the fully coupled solution of large-displacement fluid-structure interaction problems. Computer Methods in Applied Mechanics and Engineering, 193(1-2), 1-23. [doi: 10.1016/j.cma.2003.09.006]
Menter, F. R. 1994. Two-equation eddy-viscosity turbulence models for engineering applications. AIAA Journal, 32(8), 1598-1605. [doi:10.2514/3.12149]
Mole, N., Bobovnik, G., Kutin, J., Štok, B., and Bajsi?, I. 2008. An improved three-dimensional coupled fluid-structure model for Coriolis flowmeters. Journal of Fluids and Structures, 24(4), 559-575. [doi: 10.1016/j.jfluidstructs.2007.10.004]
Ohayon, R. 2001. Reduced symmetric models for modal analysis of internal structural-acoustic and hydroelastic-sloshing systems. Computer Methods in Applied Mechanics and Engineering, 190(24-25), 3009-3019. [doi:10.1016/S0045-7825(00)00379-0]
Qian, Z. D., Yang, J. D., and Huai, W. X. 2007. Numerical simulation and analysis of pressure pulsation in Francis hydraulic turbine with air admission. Journal of Hydrodynamics, Series B, 19(4), 467-472. [doi: 10.1016/S1001-6058(07)60141-3]
Ran, H. J., Luo, X. W., Zhang, Y., Zhuang, B. T., and Xu, H. Y. 2008. Numerical simulation of the unsteady flow in a high-head pump turbine and the runner improvement. Proceedings of the ASME Fluids Engineering Division Summer Conference, 1115-1123. New York: American Society of Mechanical Engineers.
Shangguan, W. B., and Lu, Z. H. 2004. Modelling of a hydraulic engine mount with fluid–structure interaction finite element analysis. Journal of Sound and Vibration, 275(1-2), 193-221. [doi:10.1016/S0022-460X (03)00799-5]
Treyssede, F., and Ben Tahar, M. 2009. Jump conditions for unsteady small perturbations at fluid-solid interfaces in the presence of initial flow and prestress. Wave Motion, 46(2), 155-167. [doi: 10.106/j.wavemoti.2008.10.003]
Van Vosse, F. N., Hart, J., Van Oijen, C. H. G. A., Bessems, D., Gunther, T. W. M., Segal, A., Wolters, B. J. B. M., Stijnen, J. M. A., and Baaijens, F. P. T. 2003. Finite-element-based computational methods for cardiovascular fluid-structure interaction. Journal of Engineering Mathematics, 47(3-4), 335-368. [doi: 10.1023/B:ENGI.0000007985.17625.43]
Yang, J. M., and Cao, S. L. 1998. Three dimensional turbulent flow simulation through a hydraulic turbine draft tube. Journal of Hydroelectric Engineering, (1), 85-92. (in Chinese)
Zhang, C. H., and Zhang, Y. L. 2009. Nonlinear dynamic analysis of the Three Gorge Project powerhouse excited by pressure fluctuation. Journal of Zhejiang University-Science A, 10(9), 1231-1240. [doi: 10.1631/jzus.A0820478]
Zhang, Q., and Hisada, T. 2001. Analysis of fluid-structure interaction problems with structural buckling and large domain change by ALE finite element method. Computer Methods in Applied Mechanics and Engineering, 190(48), 6341-6357. [ doi:10.1016/S0045-7825(01)00231-6]
Zheng Jinhai1; H. Mase2; Li Tongfei1.
Modeling of random wave transformation with strong wave-induced coastal currents[J]. Water Science and Engineering, 2008,1(1): 18-26
|2．Yong FAN.Application of 2-D sediment model to fluctuating backwater area of Yangtze River[J]. Water Science and Engineering, 2009,2(3): 37-47|
|3．Ning HE;Zhen-xing ZHAO.Theoretical and numerical study of hydraulic characteristics of orifice energy dissipator[J]. Water Science and Engineering, 2010,3(2): 190-199|
|4．Ying-wei SUN, Hai-gui KANG*.Application of CLEAR-VOF method to wave and flow simulations[J]. Water Science and Engineering, 2012,5(1): 67-78|
|5．Yan ZHANG; Jian-fu SHAO.Elastoplastic cup model for cement-based materials[J]. Water Science and Engineering, 2010,3(1): 102-112|
|6．Li-ping CHEN, Jun-cheng JIANG.Experiments and numerical simulations on transport of dissolved pollutants around spur dike[J]. Water Science and Engineering, 2010,3(3): 341-353|
|7．Cheng-gang LU, Zhou-hu WU, Guo-feng HE, Jie ZHU, Gui-yong XIAO.Numerical simulation of sediment deposition thickness at Beidaihe International Yacht Club[J]. Water Science and Engineering, 2010,3(3): 313-320|
|8．Jun CHEN， Hong-wu TANG.Multi-approach analysis of maximum riverbed scour depth above a subway tunnel[J]. Water Science and Engineering, 2010,3(4): 431-442|
|9．Rasool GHOBADIAN; Kamran MOHAMMADI.Simulation of subcritical flow pattern in 180o uniform and convergent open-channel bends using SSIIM 3-D model[J]. Water Science and Engineering, 2011,4(3): 270-283|
|10．Lin HAN; Zi-ming ZHANG; Zhi-qiang NI.Application of SSOR-PCG method with improved iteration format in FEM simulation of massive concrete[J]. Water Science and Engineering, 2011,4(3): 317-328|
|Copyright by Water Science and Engineering|