地震作用下钢结构损伤过程数值模拟
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摘要
采用弹塑性损伤本构模型,该模型结合了非线性各向同性和随动强化准则以及基于塑性位移的损伤演化规律,利用ABAQUS对一个9层钢结构在EL-Centro地震波作用下塑性变形和损伤区域的发展过程进行了数值模拟。结果表明,上部楼层的梁端产生较明显的塑性变形并形成损伤部位。这与在Northridge地震中观测到的高层钢结构的地震损伤情况是一致的。
The paper simulates the damaging process of a 9-story steel frame under EI-Centro earthquake ground motion using ABAQUS.In the analysis,the plastic damage model is combined with the nonlinear isotropic/kinematic hardening criteria and the damage evolution law of plastic displacement.The results show that the beam ends of upper floors undergo obvious plastic deformation and incur the appearance of damage domains.This observation is consistent with the observed seismic damage of high-rise steel structures during the Northridge earthquake.
The paper simulates the damaging process of a 9-story steel frame under EI-Centro earthquake ground motion using ABAQUS.In the analysis,the plastic damage model is combined with the nonlinear isotropic/kinematic hardening criteria and the damage evolution law of plastic displacement.The results show that the beam ends of upper floors undergo obvious plastic deformation and incur the appearance of damage domains.This observation is consistent with the observed seismic damage of high-rise steel structures during the Northridge earthquake.
引文
[1]Axelesson K,Samuelsson A.Finite element analysis of elastic-plastic materials displaying mixed hardening[J].International Journal for Nemerical Methods in Engineering,1979,14:211―215.
[2]许红胜,熊辉.钢结构塑性分析的新模型[J].工程力学,2004,21(5):161―165.Xu Hongsheng,Xiong Hui.A new model for plastic analysis of steel structures[J].Engineering Mechanics,2004,21(5):161―165.(in Chinese)
[3]吴德飞,童根树.含初始缺陷钢结构损伤累积至断裂及后期的调查分析[J].工程力学,2006,23(8):160―167.Wu Defei,Tong Genshu.Damage accumulation,fracture and post fracture analyses for initially flawed steel structures[J].Engineering Mechanics,2006,23(8):160―167.(in Chinese)
[4]支旭东,范峰,沈世钊.凯威特型单层球面网壳在强震下的失效研究[J].工程力学,2008,25(9):7―12.Zhi Xudong,Fan Feng,Shen Shizhao.Seismic failure of single-layer reticulated doms[J].Engineering Mechanics,2008,25(9):7―12.(in Chinese)
[5]韦未,李同春.一种新的用于各向同性损伤模型的四参数等效应变[J].工程力学,2005,22(6):91―96.Wei Wei,Li Tongchun.New four-parameter equivalent strain for isotropic damage model[J].Engineering Mechanics,2005,22(6):91―96.(in Chinese)
[6]陈志英,董湘怀.基于GTN细观损伤模型的板料成型过程损伤分析[J].工程力学,2009,26(7):238―244.Chen Zhiying,Dong Xianghuai.Ductile damage analysis for sheet metal forming based on GTN mesoscopic damage model[J].Engineering Mechanics,2009,26(7):238―244.(in Chinese)
[7]郑寒辉,赵晓华.含裂纹损伤杆系结构的动态特性研究[J].工程力学,2007,24(12):53―58.Zheng Hanhui,Zhao Xiaohua.Dynamic behavoirs of beam structures with crack[J].Engineering Mechanics,2007,24(12):53―58.(in Chinese)
[8]郑宏,俞茂宏.钢构件考虑损伤的有限元分析[J].甘肃工业大学学报,2003,29(1):104―108.Zheng Hong,Yu Maohong.Finite element analysis of steel members based on damage constitutive relations[J].Journal of Gansu University of Technology,2003,29(1):104―108.(in Chinese)
[9]丁阳,郭峰,李忠献.地震作用下空间网架结构考虑损伤累积效应的弹塑性分析[J].工程力学,2005,22(1):54―58.Ding Yang,Guo Feng,Li Zhongxian.Elasto-plastic analysis of spatial trusses under earthquake excitations considering damage accumulation effect[J].Engineering Mechanics,2005,22(1):54―58.(in Chinese)
[10]王连坤,郝际平,张俊峰,王孟鸿.考虑各向同性塑性损伤的钢结构塑性区分析方法[J].西安交通大学学报,2008,42(7):885―890.Wang Liankun,Hao Jiping,Zhang Junfeng,Wang Menghong.Plastic-zone method of steel structure considering isotropic plastic damage[J].Journal of Xian Jiaotong University,2008,42(7):885―890.(in Chinese)
[11]Mashayekhi M,Ziaei-Rad S.Ductile crack growth based on damage criterion:Experimental and numerical studies[J].Mechanics of Materials,2007,39(7):623―636.
[12]Lemaitre J.A continuous damage mechanics model for ductile ftacture[J].Journal of Engineering Materials and Technology,1985,107:83―89.
[13]Lemaitre J.A course on damage mechanics[M].Berlin:Springer-Verlag,1992.
[14]Simo J C,Ju J W.Strain-and stress-based continuum damage models[J].International Journal of Solids and Structures,1987,23(7):821―869.
[15]Habbitt,Karlsson and Sorensen Inc.ABAQUS Analysis User’s Manual Version 6.8[M].Providence,RI,USA,2006.
[16]Hooputra H,Gese H,Dell H,Werner H.A comprehensive failure model for crashworthiness simulation of aluminium extrusions[J].International Journal of Crashworthiness,2004,9(5):449―464.
[17]Pirondi A,Bonora N.Modeling ductile damage under fullly reversed cycling[J].Computatioanal Materials Science,2003,26:129―141.
[18]王万祯.结构钢开裂准则及断裂试验分析[J].工程力学,2008,25(5):27―31.Wang Wanzhen.Crack criterion and fracture tests of structural steel[J].Engineering Mechanics,2008,25(5):27―31.(in Chinese)
[19]Shama A A,Zarghamee M S.Seismic damage evaluation of a steel building using stress triaxiality[J].Engineering Structures,2003,25(3):271―279.
[2]许红胜,熊辉.钢结构塑性分析的新模型[J].工程力学,2004,21(5):161―165.Xu Hongsheng,Xiong Hui.A new model for plastic analysis of steel structures[J].Engineering Mechanics,2004,21(5):161―165.(in Chinese)
[3]吴德飞,童根树.含初始缺陷钢结构损伤累积至断裂及后期的调查分析[J].工程力学,2006,23(8):160―167.Wu Defei,Tong Genshu.Damage accumulation,fracture and post fracture analyses for initially flawed steel structures[J].Engineering Mechanics,2006,23(8):160―167.(in Chinese)
[4]支旭东,范峰,沈世钊.凯威特型单层球面网壳在强震下的失效研究[J].工程力学,2008,25(9):7―12.Zhi Xudong,Fan Feng,Shen Shizhao.Seismic failure of single-layer reticulated doms[J].Engineering Mechanics,2008,25(9):7―12.(in Chinese)
[5]韦未,李同春.一种新的用于各向同性损伤模型的四参数等效应变[J].工程力学,2005,22(6):91―96.Wei Wei,Li Tongchun.New four-parameter equivalent strain for isotropic damage model[J].Engineering Mechanics,2005,22(6):91―96.(in Chinese)
[6]陈志英,董湘怀.基于GTN细观损伤模型的板料成型过程损伤分析[J].工程力学,2009,26(7):238―244.Chen Zhiying,Dong Xianghuai.Ductile damage analysis for sheet metal forming based on GTN mesoscopic damage model[J].Engineering Mechanics,2009,26(7):238―244.(in Chinese)
[7]郑寒辉,赵晓华.含裂纹损伤杆系结构的动态特性研究[J].工程力学,2007,24(12):53―58.Zheng Hanhui,Zhao Xiaohua.Dynamic behavoirs of beam structures with crack[J].Engineering Mechanics,2007,24(12):53―58.(in Chinese)
[8]郑宏,俞茂宏.钢构件考虑损伤的有限元分析[J].甘肃工业大学学报,2003,29(1):104―108.Zheng Hong,Yu Maohong.Finite element analysis of steel members based on damage constitutive relations[J].Journal of Gansu University of Technology,2003,29(1):104―108.(in Chinese)
[9]丁阳,郭峰,李忠献.地震作用下空间网架结构考虑损伤累积效应的弹塑性分析[J].工程力学,2005,22(1):54―58.Ding Yang,Guo Feng,Li Zhongxian.Elasto-plastic analysis of spatial trusses under earthquake excitations considering damage accumulation effect[J].Engineering Mechanics,2005,22(1):54―58.(in Chinese)
[10]王连坤,郝际平,张俊峰,王孟鸿.考虑各向同性塑性损伤的钢结构塑性区分析方法[J].西安交通大学学报,2008,42(7):885―890.Wang Liankun,Hao Jiping,Zhang Junfeng,Wang Menghong.Plastic-zone method of steel structure considering isotropic plastic damage[J].Journal of Xian Jiaotong University,2008,42(7):885―890.(in Chinese)
[11]Mashayekhi M,Ziaei-Rad S.Ductile crack growth based on damage criterion:Experimental and numerical studies[J].Mechanics of Materials,2007,39(7):623―636.
[12]Lemaitre J.A continuous damage mechanics model for ductile ftacture[J].Journal of Engineering Materials and Technology,1985,107:83―89.
[13]Lemaitre J.A course on damage mechanics[M].Berlin:Springer-Verlag,1992.
[14]Simo J C,Ju J W.Strain-and stress-based continuum damage models[J].International Journal of Solids and Structures,1987,23(7):821―869.
[15]Habbitt,Karlsson and Sorensen Inc.ABAQUS Analysis User’s Manual Version 6.8[M].Providence,RI,USA,2006.
[16]Hooputra H,Gese H,Dell H,Werner H.A comprehensive failure model for crashworthiness simulation of aluminium extrusions[J].International Journal of Crashworthiness,2004,9(5):449―464.
[17]Pirondi A,Bonora N.Modeling ductile damage under fullly reversed cycling[J].Computatioanal Materials Science,2003,26:129―141.
[18]王万祯.结构钢开裂准则及断裂试验分析[J].工程力学,2008,25(5):27―31.Wang Wanzhen.Crack criterion and fracture tests of structural steel[J].Engineering Mechanics,2008,25(5):27―31.(in Chinese)
[19]Shama A A,Zarghamee M S.Seismic damage evaluation of a steel building using stress triaxiality[J].Engineering Structures,2003,25(3):271―279.
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