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damage softening
相关语句
  损伤软化
     A new damage softening constitutive model for rocks is developed based on a new form of damage variable which is defined with rock micro-unit strength.
     结合岩石微元强度提出了损伤变量的新形式,据此建立了新的岩石损伤软化本构模型.
短句来源
     The Influence on Stress Wave Propagation by the Damage Softening of Rock
     岩石的损伤软化对应力波传播的影响
短句来源
     The dynamic compression properties of Kevlar fiber rainforced composite are investigated by SHPB. The experimental results show that the material has remarkable rate hardening and damage softening effects.
     通过实验较系统地研究了 Kevlar纤维增强复合材料的动态压缩力学性能 . 实验结果表明 ,在冲击压缩载荷作用下 Kevlar纤维增强复合材料有明显的损伤软化现象和应变率效应 .
短句来源
     Method for determining the parameters of statistical damage softening constitutive model for rock
     岩石损伤软化统计本构模型参数的确定方法
短句来源
     A new damage softening constitutive model for rocks
     一种新的岩石损伤软化本构模型
短句来源
更多       
  损伤弱化
     These models can reflect the behaviours of damage softening,elastic stiffness degradation and shear dilatancy.
     这个模型能够反映节理面的损伤弱化,扩容和弹性刚度劣化等复杂特性。
短句来源
  “damage softening”译为未确定词的双语例句
     MATHEMATICAL MODEL FOR DAMAGE SOFTENING OF BRITTLE MATERIALS
     脆性材料损伤应变软化的数学模型
短句来源
     The experimental results showed that SFRC is a material with obvious steel fiber reinforcing, strain-rate hardening and damage softening.
     实验表明钢纤维混凝土是一种应变率敏感材料,具有明显的应变率增强和纤维增强增韧效应。
短句来源
     The comparison shows the advantages of the Hou/Lux material model, such as stress rearrangements from the contour into the rock mass formation as well as the identification of dilatancy, damage, softening and spalling zones and last but not least increasing the profitability of storage cavities through reduction of the minimum pressure.
     比较结果显示 ,新材料模型有许多优点 ,如 :通过减少内压 ,储存硐库的围岩应力重分布、扩容、损伤、软化及片帮区域等均得到改善。
短句来源
     The damage evolution equations and the yield functions for the model are established on the basis of different deformation behavior,and both the effects of distortional dilation and damage softening are also included.
     该模型考虑了含孔隙和微裂纹岩石的剪胀效应和软化效应,并根据岩石不同变形阶段的特征,给出了不同的屈服面形式和损伤演化方程。
短句来源
     Results of a numerical example show that this damage softening constitutive model for rocks can reflect the strain softening characteristic of rocks.
     算例表明,该岩石损伤本构模型能反映岩石应变软化性状.
短句来源
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  damage softening
The additional aim is to investigate instability phenomena and adiabatic shear band localization criteria when spatial covariance, thermomechanical coupling, strain induced anisostropy and micro-damage softening effects are taken into consideration.
      
This paper considers the effects of damage softening and hydraulic softening on fault zone media and provides a nonlinear mechanics model of fault earthquake.
      
The degradation of the stiffness properties is considered using a strain based scalar damage-softening model.
      


In this paper the mathematical model for damage softening of brittlematerials is presented,General form of the constitutive equations are establ-lshed from a thermodynamic analysis.Although this is an isotropic contiuunmdamage model,a scalar variable is used to represent the damage state.But using definition of the equivalent damage strain,this model can distinguish thedifferent damage responses among tensile,comprssive and shear loadings.Since the parameters of a constitutive equition...

In this paper the mathematical model for damage softening of brittlematerials is presented,General form of the constitutive equations are establ-lshed from a thermodynamic analysis.Although this is an isotropic contiuunmdamage model,a scalar variable is used to represent the damage state.But using definition of the equivalent damage strain,this model can distinguish thedifferent damage responses among tensile,comprssive and shear loadings.Since the parameters of a constitutive equition can be determined easily froma materials handbook.This model is convenint for engineering application.

本文提出一种脆性材料损伤应变软化的数学模型,本构方程是基于热力学原理建立的.虽然是各向同性损伤模型,用标量表示损伤状态,但通过等效损伤应变的定义,能区分拉伸、压缩和剪切载荷对材料损伤的不同响应.由于本构模型中的多数参数均可由材料材料手册简单确定,便于工程应用.

This paper considers the effects of damage softening and hydraulic softening on fault zone media and provides a nonlinear mechanics model of fault earthquake. Taking far field displacement,stiffness ratio and permeation parameter as control variables, we obtain a swallowtail type catastrophic model of earthquakes. Then, by this model, we study the effects of permeation, far field displacement and stiffness ratio on the preparation and the occurrence of earthquakes.

(殷有泉)(杜静)Aswallow-tailtypecatastrophicmodelofearthquakeprocess¥You-QuanYINandJingDU(PekingUniversdy,Beijing100871,China)(Nort...

The paper discusses constitutive models of geologic discontinuities(e.g.joint and fault etc.)in engineering geology within the theoretical framework of the elastoplastic damge.These models can reflect the behaviours of damage softening,elastic stiffness degradation and shear dilatancy.In the models,the plastic deformation increment is non-normal to the yield surface,but the obtained constitutive matrix is symmetrical.The former is consistent with experimental data and the latter is extremely important...

The paper discusses constitutive models of geologic discontinuities(e.g.joint and fault etc.)in engineering geology within the theoretical framework of the elastoplastic damge.These models can reflect the behaviours of damage softening,elastic stiffness degradation and shear dilatancy.In the models,the plastic deformation increment is non-normal to the yield surface,but the obtained constitutive matrix is symmetrical.The former is consistent with experimental data and the latter is extremely important in the numerical analysis and theoritical research.

本文在弹塑性损伤的理论框架内,讨论了节理等地质间断面的本构模型。这个模型能够反映节理面的损伤弱化,扩容和弹性刚度劣化等复杂特性。这个模型的另一优点是,塑性变形增量与屈服面是非正交的,但本构矩阵具有对称性。这种对称性在岩石力学的理论研究和数值分析中是至关紧要的。

 
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