混凝土塑性损伤模型参数的选取与验证计算_《混凝土与水泥制品》杂志社

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发布时间：2020-01-06 00:00:00

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混凝土塑性损伤模型参数的选取与验证计算

Parameters Selection and Verification Calculation of Concrete Plastic Damage Model

2021年第1期

本构模型；ABAQUS；CDP模型；参数选取；有限元数值分析

Constitutive model; ABAQUS; Concrete damaged plasticity model; Parameters selection; Finite element numerical analysis

2021年第1期

10.19761/j.1000-4637.2021.01.007.06

国家自然科学基金项目（51178390）。

张飞，马建勋，南燕

西安交通大学，陕西西安 710054

张飞，马建勋，南燕

张飞,马建勋,南燕.混凝土塑性损伤模型参数的选取与验证计算[J].混凝土与水泥制品,2021(1),7-11,29.

ZHANG F,MA J X,NAN Y.Parameters Selection and Verification Calculation of Concrete Plastic Damage Model[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):7-11,29.

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摘要：基于塑性损伤的混凝土本构模型，现行规范与ABAQUS软件给出的应力-应变关系表达式有所不同。在对两种表达式进行分析对比的基础上，对ABAQUS软件自带的混凝土塑性损伤模型（CDP模型）参数选取进行了分析，并给出了该模型参数的选取和调整方法。为了验证模型参数选取的合理性和可靠性，采用ABAQUS软件对算例试验构件进行了有限元数值分析，并将数值分析所得的荷载-位移曲线与试验测试曲线进行对比。结果表明：所选的参数能够满足数值分析的精度要求。 Abstract: For the concrete constitutive model based on the plastic damage, the stress-strain relationship expression in the current code is different from the expression given by ABAQUS software. Based on the analysis and comparison of the two expressions, the parameter selection in the CDP model of ABAQUS software was analyzed, and the selection and adjustment methods of the model parameters were given. In order to verify the rationality and reliability of model parameter selection, ABAQUS software was used to carry out a finite element numerical analysis on the example test members, and the load-displacement curve obtained from the numerical analysis was compared with the test curve. The results show that the parameters selection described can meet the accuracy requirements of numerical analysis.

英文名 : Parameters Selection and Verification Calculation of Concrete Plastic Damage Model

刊期 : 2021年第1期

关键词 : 本构模型；ABAQUS；CDP模型；参数选取；有限元数值分析

Key words : Constitutive model; ABAQUS; Concrete damaged plasticity model; Parameters selection; Finite element numerical analysis

刊期 : 2021年第1期

DOI : 10.19761/j.1000-4637.2021.01.007.06

文章编号 :

基金项目 : 国家自然科学基金项目（51178390）。

作者 : 张飞，马建勋，南燕

单位 : 西安交通大学，陕西西安 710054

张飞，马建勋，南燕

张飞,马建勋,南燕.混凝土塑性损伤模型参数的选取与验证计算[J].混凝土与水泥制品,2021(1),7-11,29.

ZHANG F,MA J X,NAN Y.Parameters Selection and Verification Calculation of Concrete Plastic Damage Model[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):7-11,29.

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摘要

参数

结论

参考文献

引用本文

Abstract: For the concrete constitutive model based on the plastic damage, the stress-strain relationship expression in the current code is different from the expression given by ABAQUS software. Based on the analysis and comparison of the two expressions, the parameter selection in the CDP model of ABAQUS software was analyzed, and the selection and adjustment methods of the model parameters were given. In order to verify the rationality and reliability of model parameter selection, ABAQUS software was used to carry out a finite element numerical analysis on the example test members, and the load-displacement curve obtained from the numerical analysis was compared with the test curve. The results show that the parameters selection described can meet the accuracy requirements of numerical analysis.

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