基于有限元软件OpenSees和OpenFresco的混合试验
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摘要
为提高混合试验中数值子结构的计算精度,可以采用有限元软件进行模拟。本文将有限元软件OpenSees引入混合试验中以提高数值子结构的模拟精度。项目主要研究基于有限元软件OpenSees和接口软件OpenFresco、试验控制LabVIEW/dSPACE建立的两套混合试验系统,并通过混合试验验证所建立混合试验系统的有效性和精度。研究结果表明:数值子结构计算内核OpenSees、接口程序OpenFresco以及试验控制LabVIEW/dSPACE之间具有良好的通讯性能,能够满足混合试验的要求;两套混合试验系统具有较好的稳定性和精度。
The hybrid testing method plays more and more important roles on seismic investigation in nowadays.The professional finite element software is the good choice to simulate the numerical substructure for better simulation accuracy.This paper intends to simulate the numerical substructures by using the professional finite element software OpenSees.This paper proposes the hybrid testing systems by using the finite element software OpenSees,interface software OpenFresco,and experimental control dSPACE/LabVIEW,and validates the effectiveness and accuracy of the proposed hybrid testing system experimentally.It is shown that the OpenSees,OpenFresco,and experimental control dSPACE/LabVIEW can work well together to conduct hybrid tests,and the proposed hybrid testing systems behavior excellent performance in terms of stability and accuracy.
The hybrid testing method plays more and more important roles on seismic investigation in nowadays.The professional finite element software is the good choice to simulate the numerical substructure for better simulation accuracy.This paper intends to simulate the numerical substructures by using the professional finite element software OpenSees.This paper proposes the hybrid testing systems by using the finite element software OpenSees,interface software OpenFresco,and experimental control dSPACE/LabVIEW,and validates the effectiveness and accuracy of the proposed hybrid testing system experimentally.It is shown that the OpenSees,OpenFresco,and experimental control dSPACE/LabVIEW can work well together to conduct hybrid tests,and the proposed hybrid testing systems behavior excellent performance in terms of stability and accuracy.
引文
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[10]袁涌,熊世树,朱昆.橡胶隔震支座对桥梁隔震性能的实时子结构拟动力试验研究[J].华中科技大学学报:城市科学版,2008,25(1):35-38,46(Yuan Yong,XiongShishu,Zhu Kun.Study on the isolation effects of bridgerubber isolators through the developed real-timesubstructure hybrid test system[J].Journal of HuazhongUniversity of Science&Technology:Urban ScienceEdition,2008,25(1):35-38,46(in Chinese))
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[13]王瑾,蔡新江,田石柱.基于OpenSees的CFRP加固RC短柱抗震性能数值模拟[J].世界地震工程,2010(4):108-111(Wang Jin,Cai Xinjiang,Tian Shizhu.Numericalsimulation on seismic behavior of CFRP retrofitted RC shortcolumn based on OpenSees[J].World EarthquakeEngineering,2010(4):108-111(in Chinese))
[14]王强,冯帆,You S.基于有限元软件的子结构拟动力试验技术[J].沈阳建筑大学学报:自然科学版,2010,26(6):1085-1089(Wang Qiang,Feng Fan,You S.Pseudo-dynamic test method with sub-structure technique based onfinite element software OpenSees[J].Journal of ShenyangJianzhu University:Natural Science Edition,2010,26(6):1085-1089(in Chinese))
[15]郝伟.基于OpenFresco软件的混合试验方法[D].哈尔滨:哈尔滨工业大学,2011(Hao Wei.Openfresco-basedseismic hybrid testing method[D].Harbin:HarbinInstitute of Technology,2011(in Chinese))
[16]周惠蒙,王涛,陈永盛,等.采用dSPACE控制的电液伺服试验加载系统[J].结构工程师,2011(27):1-5(ZhouHuimeng,Wang Tao,Cheng Yongsheng,et al.Electro-hydraulic servo experimental loading system with dSPACE[J].Structure Engineers,2011(27):1-5(in Chinese))
[2]Williams M S,Blakeborough A.Laboratory testing of structuresunder dynamic loads:an introductory review[J].Philosophical Transactions of the Royal Society A,2001,359:1651-1669
[3]Guo Y,Xiao Y,Hu Q,et al.Development and applicationof networked structural laboratories system in currenthierarchical network environment[J].Key EngineeringMaterials,2008,787(400):667-673
[4]Wang D,Tian S,Cai X,et al.Internet-based collaborativepseudo-dynamic testing of multi-span bridge structure[J].Progress in Natural Science,2009,19(5):623-633
[5]Wu B,Bao H,Ou J,et al.Stability and accuracy analysisof central difference method for real-time substructuretesting[J].Earthquake Engineering and StructuralDynamics,2005,34:705-718
[6]Wu B,Xu G,Wang Q.Operator-splitting method for real-time substructure testing[J].Earthquake Engineering andStructural Dynamics,2006,35(3):293-314
[7]Wu B,Xu G,Shing P B.Equivalent force control methodfor real-time testing of nonlinear structures[J].Journal ofEarthquake Engineering,2011,15(1):143-164
[8]许国山,吴斌.弹性试件的实时子结构试验等效力控制方法[J].振动与冲击,2010,29(5):101-105,243(Xu Guoshan,Wu Bin.Equivalent force control methodfor real-time substructure testing with elastic specimen[J].Journal of Vibration and Shock,2010,29(5):101-105,243(in Chinese))
[9]周大睿,许国山,吴斌,等.等效力控制方法在连梁阻尼器拟动力子结构试验中的应用[J].振动与冲击,2011,30(8):72-76(Zhou Darui,Xu Guoshan,Wu Bin,et al.Application of equivalent force control method forpseudo-dynamic substructure tests of coupling beam damper[J].Journal of Vibration and Shock,2011,30(8):72-76(in Chinese))
[10]袁涌,熊世树,朱昆.橡胶隔震支座对桥梁隔震性能的实时子结构拟动力试验研究[J].华中科技大学学报:城市科学版,2008,25(1):35-38,46(Yuan Yong,XiongShishu,Zhu Kun.Study on the isolation effects of bridgerubber isolators through the developed real-timesubstructure hybrid test system[J].Journal of HuazhongUniversity of Science&Technology:Urban ScienceEdition,2008,25(1):35-38,46(in Chinese))
[11]Wang T,Yoshitake N,Pan P,et al.Numerical characteristicsof peer-to-peer(P2P)internet online hybrid test systemand its application to seismic simulation of SRC structure[J].Earthquake Engineering and Structural Dynamics,2008,37:265-282
[12]Pan P,Tomofuji H,Wang T,et al.Development of peer-to-peer(P2P)Internet online hybrid test system[J].Journal of Earthquake Engineering and StructuralDynamics,2006,35:867-890
[13]王瑾,蔡新江,田石柱.基于OpenSees的CFRP加固RC短柱抗震性能数值模拟[J].世界地震工程,2010(4):108-111(Wang Jin,Cai Xinjiang,Tian Shizhu.Numericalsimulation on seismic behavior of CFRP retrofitted RC shortcolumn based on OpenSees[J].World EarthquakeEngineering,2010(4):108-111(in Chinese))
[14]王强,冯帆,You S.基于有限元软件的子结构拟动力试验技术[J].沈阳建筑大学学报:自然科学版,2010,26(6):1085-1089(Wang Qiang,Feng Fan,You S.Pseudo-dynamic test method with sub-structure technique based onfinite element software OpenSees[J].Journal of ShenyangJianzhu University:Natural Science Edition,2010,26(6):1085-1089(in Chinese))
[15]郝伟.基于OpenFresco软件的混合试验方法[D].哈尔滨:哈尔滨工业大学,2011(Hao Wei.Openfresco-basedseismic hybrid testing method[D].Harbin:HarbinInstitute of Technology,2011(in Chinese))
[16]周惠蒙,王涛,陈永盛,等.采用dSPACE控制的电液伺服试验加载系统[J].结构工程师,2011(27):1-5(ZhouHuimeng,Wang Tao,Cheng Yongsheng,et al.Electro-hydraulic servo experimental loading system with dSPACE[J].Structure Engineers,2011(27):1-5(in Chinese))
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