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elastoplastic damage
相关语句
  弹塑性损伤
     Based on the static isotropic elastoplastic damage and Prevost model theory,a new damage model for saturated soft clay under cyclic loading is developed.
     基于静力各向同性弹塑性损伤和Prevost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下饱和软黏土弹塑性动力损伤本构模型。
短句来源
     Elastoplastic damage model of Q1 loess
     Q_1黄土的弹塑性损伤本构模型
短句来源
     In virtue of the user subroutines UEL (user defined element) and UMAT (user defined material) integrated into engineering general-purpose simulation tool, ABAQUS, successful nonlinear analyses have been obtained with the combination of macro triangular partition shell element and damage energy release rate-based elastoplastic damage constitutive model for concrete.
     利用通用有限元软件ABAQUS所提供的用户自定义单元(UEL)和用户自定义材料(UMAT)子程序,将宏观三角形分区平板壳单元与基于损伤能释放率的混凝土弹塑性损伤本构模型成功嵌入了ABAQUS主分析模块。 经典试验单向Jain-Kennedy板和双向McNeice板的数值模拟结果表明:宏观三角形分区平板壳单元对于钢筋混凝土板壳结构非线性分析是行之有效的。
短句来源
     Based on the isotropic elastoplastic damage and Prevost model theory,a new dynamic damage model for saturated soft clay under cyclic loading is proposed.
     基于各向同性弹塑性损伤和P revost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下不排水饱和软粘土弹塑性动力损伤本构模型。
短句来源
     Static & Dynamic Elastoplastic Damage Model for Concrete and Its Application to the Analysis of Concrete Dams
     混凝土静动弹塑性损伤模型及在大坝分析中的应用
短句来源
更多       
  弹塑性损伤
     Based on the static isotropic elastoplastic damage and Prevost model theory,a new damage model for saturated soft clay under cyclic loading is developed.
     基于静力各向同性弹塑性损伤和Prevost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下饱和软黏土弹塑性动力损伤本构模型。
短句来源
     Elastoplastic damage model of Q1 loess
     Q_1黄土的弹塑性损伤本构模型
短句来源
     In virtue of the user subroutines UEL (user defined element) and UMAT (user defined material) integrated into engineering general-purpose simulation tool, ABAQUS, successful nonlinear analyses have been obtained with the combination of macro triangular partition shell element and damage energy release rate-based elastoplastic damage constitutive model for concrete.
     利用通用有限元软件ABAQUS所提供的用户自定义单元(UEL)和用户自定义材料(UMAT)子程序,将宏观三角形分区平板壳单元与基于损伤能释放率的混凝土弹塑性损伤本构模型成功嵌入了ABAQUS主分析模块。 经典试验单向Jain-Kennedy板和双向McNeice板的数值模拟结果表明:宏观三角形分区平板壳单元对于钢筋混凝土板壳结构非线性分析是行之有效的。
短句来源
     Based on the isotropic elastoplastic damage and Prevost model theory,a new dynamic damage model for saturated soft clay under cyclic loading is proposed.
     基于各向同性弹塑性损伤和P revost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下不排水饱和软粘土弹塑性动力损伤本构模型。
短句来源
     Static & Dynamic Elastoplastic Damage Model for Concrete and Its Application to the Analysis of Concrete Dams
     混凝土静动弹塑性损伤模型及在大坝分析中的应用
短句来源
更多       
  弹塑性损伤
     Based on the static isotropic elastoplastic damage and Prevost model theory,a new damage model for saturated soft clay under cyclic loading is developed.
     基于静力各向同性弹塑性损伤和Prevost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下饱和软黏土弹塑性动力损伤本构模型。
短句来源
     Elastoplastic damage model of Q1 loess
     Q_1黄土的弹塑性损伤本构模型
短句来源
     In virtue of the user subroutines UEL (user defined element) and UMAT (user defined material) integrated into engineering general-purpose simulation tool, ABAQUS, successful nonlinear analyses have been obtained with the combination of macro triangular partition shell element and damage energy release rate-based elastoplastic damage constitutive model for concrete.
     利用通用有限元软件ABAQUS所提供的用户自定义单元(UEL)和用户自定义材料(UMAT)子程序,将宏观三角形分区平板壳单元与基于损伤能释放率的混凝土弹塑性损伤本构模型成功嵌入了ABAQUS主分析模块。 经典试验单向Jain-Kennedy板和双向McNeice板的数值模拟结果表明:宏观三角形分区平板壳单元对于钢筋混凝土板壳结构非线性分析是行之有效的。
短句来源
     Based on the isotropic elastoplastic damage and Prevost model theory,a new dynamic damage model for saturated soft clay under cyclic loading is proposed.
     基于各向同性弹塑性损伤和P revost模型的基本理论,把弹塑性等向硬化、运动硬化和各向同性损伤结合起来,推导了循环荷载作用下不排水饱和软粘土弹塑性动力损伤本构模型。
短句来源
     Static & Dynamic Elastoplastic Damage Model for Concrete and Its Application to the Analysis of Concrete Dams
     混凝土静动弹塑性损伤模型及在大坝分析中的应用
短句来源
更多       
  “elastoplastic damage”译为未确定词的双语例句
     Finite element analysis for coupled creep elastoplastic damage response
     蠕变-弹塑性-损伤耦合响应的有限元分析
短句来源
     An elastoplastic damage model for geomaterials and analysis of strain localizaion of arch dams
     岩土材料塑性损伤模型及拱坝的变形局部化分析
短句来源
     Influence of Anisotropic Damage on Shear Band Formation Analysed by Elastoplastic Damage of Soft Soil Model
     软土的各向异性损伤对剪切带形成的影响
短句来源
     Numerical simulation of coupled creep elastoplastic damage constitutive model at large strain
     有限应变下蠕变-弹塑性-损伤耦合本构模型的数值模拟
短句来源
     A numerical model to simulate isotropic, coupled creep elastoplastic damage constitutive behavior at finite strain is proposed in the present work.
     本文提出了一个模拟有限应变下各向同性蠕变-弹塑性-损伤耦合本构行为的数值模型。
短句来源
更多       
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  elastoplastic damage
The new contribution of this study is to formulate two wellknown isotropic elastoplastic damage concepts for ductile materials in the framework of 'geometrically exact' finite multiplicative elastoplasticity.
      
Our work, however, will be able to deal with elastoplastic damage problems with larger initial void volume fractions.
      
Further, previous work about coupled elastoplastic damage problems only takes into account small initial void volume fractions.
      
A self-consistent analysis for coupled elastoplastic damage problems
      


Rockmasses generally contain a great mamy of intermittent fissures and joints. They affect the deformation and stability of the rockmass structure considerably、In this paper, an elastoplastic-damage constitutive model for rockmasses is proposed by the authors based on the principle of damage mechanics. The results of laboratory tests and the data of in-situ measurements of underground powerhouse excavations indicate that the model is reasonable and effective for the numerical analysis of rock...

Rockmasses generally contain a great mamy of intermittent fissures and joints. They affect the deformation and stability of the rockmass structure considerably、In this paper, an elastoplastic-damage constitutive model for rockmasses is proposed by the authors based on the principle of damage mechanics. The results of laboratory tests and the data of in-situ measurements of underground powerhouse excavations indicate that the model is reasonable and effective for the numerical analysis of rock engineering.

岩体中通常含有大量断续状裂隙,它们对岩体结构的变形和稳定性有着不可忽视的影响。本文应用损伤力学原理,建立了这种岩体的弹塑性—损伤本构模型.室内试验和地下厂房实测验算说明,该本构模型是合理有效的.

From the point of view of phenomenology. defining the effective stress and the ef-fective plastic strain of the elastoplastic damage materials, the effective generalized fric-tion coefficient of equivalent virtual elastoplastic thermodynamic state is obtained basedon the theory of irreversible thermodynamics, and then the three-dimensionalconstitutive equation for the elastoplastic damage materials is deduced, which consid-cred the effect of damage contribution on the effective plastic...

From the point of view of phenomenology. defining the effective stress and the ef-fective plastic strain of the elastoplastic damage materials, the effective generalized fric-tion coefficient of equivalent virtual elastoplastic thermodynamic state is obtained basedon the theory of irreversible thermodynamics, and then the three-dimensionalconstitutive equation for the elastoplastic damage materials is deduced, which consid-cred the effect of damage contribution on the effective plastic strain, which is expressedby a sct of second-order tensor involving the equivalent Burger's dislocation vector ofdamage, considered the interactive effect of elastoplastic and damage. By means of thethermodynamic dissipation mechanism, through introducing the effective generalizedfriction force, the evolution equation of damage under the different plastic strain is alsodeduced. Finally both the constitutive equation and the evolution equation of damageare discussed and a series of useful results are given.

本文从现象学观点出发,在定义损伤材料有效应力及有效塑性应变的基础上,根据不可逆热力学基本原理,得到了等效虚拟弹塑性热力学状态的有效广义摩擦系数。从Gibbs自由能体系出发,推导出了弹塑性损伤材料的三维本构方程。在这一过程中,损伤对塑性内变量的贡献,通过其二阶张量定义,并由等效的Burger位错矢量的井矢表征。从而考虑了弹塑性与损伤的交互作用影响。此外,本文从热力学耗散机制出发,通过引进一个有效的广义摩擦力函数,获得了以耗散势表示的损伤演化方程,并且容易得到显式。最后,本文对给出的损伤本构方程及损伤演化方程进行了讨论,得到一系列有益的结果。

In this paper, the yield function in the case of damage situation has been derived from the relationship between the nominal stress and the effective stress. The evolutional equation of the damage variable is determined by the change regular pattern of the elastic parameter in loading and unloading, and the curve of the total stress-strain is piecewisely fitted by three order B spline function, Finally the concrete formula of the elastoplastic damage constitutive equations in isotropic medium have been...

In this paper, the yield function in the case of damage situation has been derived from the relationship between the nominal stress and the effective stress. The evolutional equation of the damage variable is determined by the change regular pattern of the elastic parameter in loading and unloading, and the curve of the total stress-strain is piecewisely fitted by three order B spline function, Finally the concrete formula of the elastoplastic damage constitutive equations in isotropic medium have been derived from the constitutive relations developed in refference [12], and the computation analysis has been conducted for the experimental results in [1] using finite element method program compiled by the paper's method.

本文根据名义应力与有效应力之间的关系,导出了屈服函数在损伤情况下的表现形式。用加、卸载弹性参数的变化规律确定损伤变量的演化方程;用三次B样条函数对应力—应变全过程曲线进行分段拟合。最后,由文[12]中本构方程的一般关系式导出了各向同性弹塑性损伤材料本构方程的具体形式,并由所编有限元程序对文[1]中的实验结果进行了计算分析。

 
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