| 考虑损伤发展的钢材混合强化本构模型 |
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| 引用本文： | 张扬,武振宇.考虑损伤发展的钢材混合强化本构模型[J].东南大学学报(自然科学版),2011,41(2):331-335. |
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| 作者姓名： | 张扬 武振宇 |
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| 作者单位： | 哈尔滨工业大学土木工程学院,哈尔滨,150090 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 为了更准确地模拟往复荷载作用下金属材料的劣化,在大变形弹塑性理论及损伤力学理论的基础上,采用双线性混合强化模型及Lemaitre损伤模型建立了可考虑损伤发展的混合强化弹塑性本构模型.提出了利用单轴拉伸材料常数计算损伤材料参数的近似方法.利用有限元程序ANSYS的用户可编程特性,将所编制的材料模型子程序嵌入ANSYS程序...
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| 关 键 词： | 损伤 本构模型 滞回性能 有限元分析 |
Mixed hardening constitutive model of steel considering damage evolution |
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| Zhang Yang Wu Zhenyu.Mixed hardening constitutive model of steel considering damage evolution[J].Journal of Southeast University(Natural Science Edition),2011,41(2):331-335. |
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| Authors: | Zhang Yang Wu Zhenyu |
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| Institution: | Zhang Yang Wu Zhenyu (School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China) |
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| Abstract: | For more accurately simulating the metallic material degradation induced by cyclic load,elasto-plastic material model considering damage evolution and mixed hardening is presented based on the large strain elasto-plastic theory and the damage mechanics theory.Bi-linear mixed hardening model and Lemaitre's damage model are adopted.Making use of the material properties from tensile experiment,an approximation method for calculating the damage material parameters is presented.Using the user programmable featur... |
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| Keywords: | damage constitutive model hysteretic behavior finite element analysis |
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