水下生产系统跨接管结构在地震作用下动力响应分析
|
摘要
研究水下生产系统跨接管结构在地震波载荷下的动力响应特性。分析中计及了地震波沿水平和竖向两个方向的载荷输入,采用非线性弹簧模型模拟跨接管与海床的耦合作用,同时考虑了地震作用下跨接管的动水作用效应。通过对不同影响因素下结构的动力响应结果分析表明:竖向地震波对跨接管结构水平响应幅值影响较小,但显著改变其响应频率;管土接触引起跨接管响应幅值变化明显,并激发跨接管高阶振型;地震下动水作用力对跨接管的响应幅值影响较大。所建立的分析方法对跨接管结构设计和安全性评估有一定借鉴意义。
Dynamic responses of a jumper in a subsea production facility under earthquake were analyzed.Seismic waves were input into the subsea jumper in both horizontal and vertical directions,nonlinear springs were used to simulate soil-jumper interaction,and hydrodynamic forces due to earthquake were considered.Different models were analyzed and compared.It was shown that vertical earthquake has more magnificent effect on the frequency of the jumper dynamic horizontal response than its effect on the magnitude of the response,the soil-jumper interaction increases the magnitude change of the response and stimulates higher modes,hydrodynamic forces have great influence on the magnitude of the response.In conclusion,the proposed approach provided a reference for subsea jumper design and safety assessment.
Dynamic responses of a jumper in a subsea production facility under earthquake were analyzed.Seismic waves were input into the subsea jumper in both horizontal and vertical directions,nonlinear springs were used to simulate soil-jumper interaction,and hydrodynamic forces due to earthquake were considered.Different models were analyzed and compared.It was shown that vertical earthquake has more magnificent effect on the frequency of the jumper dynamic horizontal response than its effect on the magnitude of the response,the soil-jumper interaction increases the magnitude change of the response and stimulates higher modes,hydrodynamic forces have great influence on the magnitude of the response.In conclusion,the proposed approach provided a reference for subsea jumper design and safety assessment.
引文
[1]王玮,孙丽萍,白勇.水下油气生产系统[J].中国海洋平台,2009,24(6):41-45.WANG Wei,SUN Li-ping,BAI Yong.Investigation onsubsea production system[J].China Offshore Platform,2009,24(6):41-45.
[2]Quan P F.The serious effect of vertical seismic force[J].Journal of seismological research,1983,6(2):227-250.
[3]廖振鹏,王阜.论结构物的竖向地震输入[J].地震工程和工程振动,1983,3(2):74-88.LIAO Zhen-peng,WANG Fu.Vertical seismic motion inputto structures[J].Earthquake Engineering and EngineeringVibration,1983,3(2):74-88.
[4]张小玲.地震作用下海底管线及周围海床动力响应分析[D].大连:大连理工大学,2009.
[5]Bridge C,Laver K,Clukey E,et al.Steel catenary risertouchdown point vertical interaction models[C]//Proc.ofthe 2004 Offshore Technology Conference.Houston:[s.n.],2004:OTC 16628.
[6]Aubeny C P,Biscontin G,Zhang J.Seafloor Riser InteractionModel[C]//Proc.of the 2007 International Workshop onConstitutive Modeling Development,Implementation,Evaluation,and Application.Hong Kong:[s.n.],2007:12-13.
[7]李昕,董汝博,冯新,等.基于Morison方程的三维地震作用下海底悬跨管道计算模型[J].工程力学,2009,26(4):197-201.LI Xin,DONG Ru-bo,FENG Xin.Analytical model basedon morison equation for free spanning submarine pipelinesunder earthquakes[J].Engineering Mechanics,2009,26(4):197-201.
[8]Li M G,Li X,Dong R B.Study on model tests andhydrodynamic force models for free spanning submarinepipelines subjected to earthquakes[J].China OceanEngineering,2010,24(2):305-320.
[9]李明高,李昕,周晶.地震作用下海底悬跨管道动水作用力试验研究[J].哈尔滨工程大学学报,2010,31(5):564-569.LI Ming-gao,LI Xin,ZHOU Jin.Hydrodynamic forces onrigid free spanning submarine pipelines during an earthquake[J].Journal of Harbin Engineering University,2010,31(5):564-569.
[10]Aubeny C P,Biscontin G,Zhang J.Seafloor interaction withSteel Catenary Risers[R].Texas:Texas A&MUniversity,2006.
[11]包日东,闻邦樁.水下悬跨管道动力响应分析[J].振动与冲击,2007,26(8):140-143.BAO Ri-dong,WEN Bang-chun.Dynamic response analysisof submarine free spanning pipeline[J].Journal of Vibrationand Shock,2007,26(8):140-143.
[2]Quan P F.The serious effect of vertical seismic force[J].Journal of seismological research,1983,6(2):227-250.
[3]廖振鹏,王阜.论结构物的竖向地震输入[J].地震工程和工程振动,1983,3(2):74-88.LIAO Zhen-peng,WANG Fu.Vertical seismic motion inputto structures[J].Earthquake Engineering and EngineeringVibration,1983,3(2):74-88.
[4]张小玲.地震作用下海底管线及周围海床动力响应分析[D].大连:大连理工大学,2009.
[5]Bridge C,Laver K,Clukey E,et al.Steel catenary risertouchdown point vertical interaction models[C]//Proc.ofthe 2004 Offshore Technology Conference.Houston:[s.n.],2004:OTC 16628.
[6]Aubeny C P,Biscontin G,Zhang J.Seafloor Riser InteractionModel[C]//Proc.of the 2007 International Workshop onConstitutive Modeling Development,Implementation,Evaluation,and Application.Hong Kong:[s.n.],2007:12-13.
[7]李昕,董汝博,冯新,等.基于Morison方程的三维地震作用下海底悬跨管道计算模型[J].工程力学,2009,26(4):197-201.LI Xin,DONG Ru-bo,FENG Xin.Analytical model basedon morison equation for free spanning submarine pipelinesunder earthquakes[J].Engineering Mechanics,2009,26(4):197-201.
[8]Li M G,Li X,Dong R B.Study on model tests andhydrodynamic force models for free spanning submarinepipelines subjected to earthquakes[J].China OceanEngineering,2010,24(2):305-320.
[9]李明高,李昕,周晶.地震作用下海底悬跨管道动水作用力试验研究[J].哈尔滨工程大学学报,2010,31(5):564-569.LI Ming-gao,LI Xin,ZHOU Jin.Hydrodynamic forces onrigid free spanning submarine pipelines during an earthquake[J].Journal of Harbin Engineering University,2010,31(5):564-569.
[10]Aubeny C P,Biscontin G,Zhang J.Seafloor interaction withSteel Catenary Risers[R].Texas:Texas A&MUniversity,2006.
[11]包日东,闻邦樁.水下悬跨管道动力响应分析[J].振动与冲击,2007,26(8):140-143.BAO Ri-dong,WEN Bang-chun.Dynamic response analysisof submarine free spanning pipeline[J].Journal of Vibrationand Shock,2007,26(8):140-143.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心