| ABAQUS中三维梁单元材料单轴本构模型的二次开发 |
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| 引用本文： | 袁伟泽,陈清军.ABAQUS中三维梁单元材料单轴本构模型的二次开发[J].河北工程大学学报,2013,30(1):9-12. |
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| 作者姓名： | 袁伟泽 陈清军 |
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| 作者单位： | 同济大学土木工程防灾国家重点实验室,上海,200092 |
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| 摘 要： | 为了在ABAQUS软件中实现对三维钢筋混凝土纤维梁单元的弹塑性计算,利用ABAQUS软件隐式模块下的用户自定义子程序接口UMAT,基于Mander受压骨架曲线、过镇海受压加卸载规则及滕智明受拉加卸载规则组合的混凝土本构理论和OpenSEES中Steel02采用的钢筋本构理论,在ABAQUS软件中开发了用于空间梁单元的混凝土和钢筋单轴本构滞回模型,并与已有的低周反复加载试验结果进行了比较.结果表明,本文基于ABAQUS软件二次开发的材料单轴滞回模型能够较好地模拟空间钢筋混凝土杆系结构的弹塑性滞回行为.
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| 关 键 词： | 三维梁单元 单轴本构模型 ABAQUS软件 钢筋混凝土 二次开发 |
| 收稿时间： | 2012/12/20 0:00:00 |
Material uniaxial constitutive model secondary development of threedimensional beam elements in ABAQUS |
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| Authors: | YUAN Wei-ze and CHEN Qing-jun |
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| Affiliation: | State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | To achieve the elastoplastic calculation of threedimensional reinforced concrete fiber beam element in ABAQUS software,using theuserdefined subroutine interface UMAT of the software implicit modules,based on the concrete constitutive theory,which combined by Mander pressure skeleton curve,Guo Zhenhai pressure loading and unloading rules and Teng Zhiming tension loading and unloading rules,and Stee 102 constitutive theory of Opeen SEES,uniaxial constitutive hysteretic models for concrete and steel rebar were developed for threedimensional fiber beam elements in ABAQUS software,then comparisons with the existing low cyclic loading test results were carried out.The results show that the userdefined material subroutines in ABAQUS software do well in simulating hysteretic behavior of the threedimensional reinforced concrete skeletal structures. |
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| Keywords: | three-dimensional beam elements uniaxial constitutive model ABAQUS software reinforced concrete secondary development |
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