风力发电高塔系统抗风动力可靠度分析
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摘要
介绍一种基于广义概率密度演化理论的动力可靠度分析方法.结合随机脉动风场物理模型和"桨叶-机舱-塔体-基础"一体化有限元模型,分别分析1.25 MW风力发电钢塔和钢筋混凝土风力发电高塔的抗风动力可靠度.研究表明,广义概率密度演化方法可以有效地分析风力发电高塔系统抗风动力可靠度.相比风力发电钢塔,钢筋混凝土风力发电高塔具有更高的可靠度.
The paper first presents a new dynamic reliability evaluation method based on generalized probability density evolution method(GPDEM).Then,the dynamic reliability of 1.25 MW steel wind turbine system and reinforced concrete wind turbine system is evaluated separately in combination with the physical model of stochastic wind field and the integrated finite element model consisting of the rotor,the nacelle,the tower and the foundation.The results show that the dynamic reliability of wind turbine systems can be worked out by the proposed method.Besides,the concrete wind turbine system is of a higher reliability than the steel one.
The paper first presents a new dynamic reliability evaluation method based on generalized probability density evolution method(GPDEM).Then,the dynamic reliability of 1.25 MW steel wind turbine system and reinforced concrete wind turbine system is evaluated separately in combination with the physical model of stochastic wind field and the integrated finite element model consisting of the rotor,the nacelle,the tower and the foundation.The results show that the dynamic reliability of wind turbine systems can be worked out by the proposed method.Besides,the concrete wind turbine system is of a higher reliability than the steel one.
引文
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[25]Simiu E,Scanlan R H.Wind effects on structures:anintroduction to wind engineering[M].New York:John Wiley,1978.
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[27]Burton T,Sharpe D,Jenkins N,et al.Wind energy handbook[M].Chichester:John Wiley&Sons,2001.
[28]Chen J B,Li J.Strategy for selecting representative points viatangent spheres in the probability density evolution method[J].International Journal for Numerical Methods inEngineering,2008,74(13):1988.
[29]贺广零.风力发电高塔系统风致随机动力响应分析与抗风动力可靠度研究[D].上海:同济大学建筑工程系,2009.HE Guangling.Stochastic dynamic response and reliabilityanalysis of wind turbine systems under wind loads[D].Shanghai:Tongji University.Department of BuildingEngineering,2009.
[30]同济大学建筑工程系.GBJ135—90高耸结构设计规范[S].北京:中国建筑工业出版社,1991.Department of Building Engineering of Tongji University.GBJ135—90 Code for design of high-rising structures[S].Beijing:China Architecture&Building Press,1991.
[2]Ronold K O,Larsen G C.Reliability-based design of windturbine rotor blades against failure in ultimate loading[J].Engineering Structures,2000,22:565.
[3]Ronold K O,Christensen C J.Optimization of a design code forwind-turbine rotor blades in fatigue[J].EngineeringStructures,2001,23:993.
[4]Tarp-Johansen N J,Madsen P H,Frandsen S.Partial safetyfactors in the 3rd edition.of IEC 61400-1:wind turbinegenerator systems-part 1:safety requirements[R].[S.l.]:Riso National Laboratory,2002.
[5]Crandall S H.First-crossing probabilities of the linearoscillator[J].Journal of Sound and Vibration,1970,12:285.
[6]李桂青,曹宏,李秋胜,等.结构动力可靠性理论及其应用[M].北京:地震出版社,1993.LI Guiqing,CAO Hong,LI Qiusheng,et al.Structural dynamicreliability theory and its application[M].Beijing:EarthquakePublish Company,1993.
[7]朱位秋.随机振动[M].北京:科学出版社,1998.ZHU Weiqiu.Random vibration[M].Beijing:SciencePress,1998.
[8]Chen J J,Duan B Y,Zeng Y G.Study on dynamic reliabilityanalysis of the structures with multidegree-of-freedom[J].Computers and Structures,1997,62(5):877.
[9]Kawano K,Venkataramana K.Dynamic response andreliability analysis of large offshore structures[J].ComputerMethods in Applied Mechanics and Engineering,1999,168:255.
[10]Cheng P W.A reliability based design methodology forextreme response of offshore wind turbine[D].Delft:DelftUniversity of Technology.Wind Energy ResearchInstitute,2002.
[11]Veldkamp D.Chance in wind energy:a probabilistic approachto wind turbine fatigue design[D].Delft:Delft University ofTechnology.Wind Energy Research Institute,2006.
[12]李杰,陈建兵.概率密度演化方程:历史、进展与应用[R].上海:同济大学建筑工程系,2008.LI Jie,CHEN Jianbing.Probability density evolution equation-history,development and application[R].Shanghai:TongjiUniversity.Department of Building Engineering,2008.
[13]Li Jie,Chen J B.Stochastic dynamics of structures[M].Singapore:John Wiley&Sons,2009.
[14]Chen J B,Li J.Dynamic response and reliability analysis ofnonlinear stochastic structures[J].Probabilistic EngineeringMechanics,2005,20(1):33.
[15]Chen J B,Li J.The extreme value distribution and dynamicreliability analysis of nonlinear stochastic structures[J].Earthquake Engineering and Engineering Vibration,2005,4(2):275.
[16]Chen J B,Li J.The extreme value distribution and dynamicreliability analysis of nonlinear structures with uncertainparameters[J].Structural Safety,2007,29(2):77.
[17]Chen J B,Li J.Development-process-of-nonlinearity-basedreliability evaluation of structures[J].ProbabilisticEngineering Mechanics,2007,22(3):267.
[18]Li J,Chen J B,Fan W L.The equivalent extreme-value eventand evaluation of the structural system reliability[J].Structural Safety,2007,29(2):112.
[19]Fung Y C.A first course in continuum mechanics[M].NewJersey:Prentice-Hall,1994.
[20]李杰,陈建兵.随机振动理论与应用新进展[M].上海:同济大学出版社,2009.LI Jie,CHEN Jianbing.Advances in theory and applications ofrandom vibration[M].Shanghai:Tongji UniversityPress,2009.
[21]李杰,张琳琳.实测风速资料的随机Fourier谱研究[J].振动工程学报,2007,20(1):66.LI Jie,ZHANG Linlin.Research on the random Fourierspectrum of observational wind[J].Journal of VibrationEngineering,2007,20(1):66.
[22]张琳琳.随机风场研究与高耸、高层结构抗风可靠性分析[D].上海:同济大学建筑工程系,2006.ZHANG Linlin.Research on wind stochastic field and analysisof dynamic reliability for high-rise building with wind loading[D].Shanghai:Tongji University.Department of BuildingEngineering,2006.
[23]Germanischer Lloyd.GL—2005 Rules and guidelines IV—industrial services,part 2—guideline for the certification ofoffshore wind turbines[S].Hamburg:GermanischerLloyd,2005.
[24]贺广零,李杰.风力发电高塔系统基于物理机制的旋转Fourier谱[R].上海:同济大学建筑工程系,2008.HE Guangling,LI Jie.Rotational Fourier spectrum of windturbine systems based on physical mechanisms[R].Shanghai:Tongji University.Department of Building Engineering,2008.
[25]Simiu E,Scanlan R H.Wind effects on structures:anintroduction to wind engineering[M].New York:John Wiley,1978.
[26]贺德馨.风工程与工业空气动力学[M].北京:国防工业出版社,2006.HE Dexin.Wind engineering and industrial aerodynamics[M].Beijing:National Defence Industry Press,2006.
[27]Burton T,Sharpe D,Jenkins N,et al.Wind energy handbook[M].Chichester:John Wiley&Sons,2001.
[28]Chen J B,Li J.Strategy for selecting representative points viatangent spheres in the probability density evolution method[J].International Journal for Numerical Methods inEngineering,2008,74(13):1988.
[29]贺广零.风力发电高塔系统风致随机动力响应分析与抗风动力可靠度研究[D].上海:同济大学建筑工程系,2009.HE Guangling.Stochastic dynamic response and reliabilityanalysis of wind turbine systems under wind loads[D].Shanghai:Tongji University.Department of BuildingEngineering,2009.
[30]同济大学建筑工程系.GBJ135—90高耸结构设计规范[S].北京:中国建筑工业出版社,1991.Department of Building Engineering of Tongji University.GBJ135—90 Code for design of high-rising structures[S].Beijing:China Architecture&Building Press,1991.
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