A plastic constitutive damage model was proposed with special concerns being put on simulating the stress triaxiality-dependent hardening phenomena.
提出了一种新的损伤塑性本构模型，强调了应力三轴比对塑性屈服的影响。
So this paper aims at presenting dynamic constitutive model of concrete based on damage which can be accepted by engineers and convenient for engineering designs.
基于上述原因，本文旨在提出一种能为工程界所接受、便于工程应用的基于损伤的混凝土单轴、多轴动态本构模型。
Then the statistical damage constitutive model is developed for saturated and unsaturated rock based on the mixture theory.
在混合物理论基础上，建立了饱和、非饱和岩石损伤软化统计本构模型。
Beginning with the damage theory of micro-statistics, the constitutive model of corroded concrete under uniaxial compression is established which is proved by the experimental outcomes.
本文从微观统计的损伤理论出发，建立了腐蚀混凝土单轴受压本构模型，与试验结果较符合。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
定义了用等效剪切刚度表示的损伤变量，建立了一个分三阶段表述的岩石动态剪切损伤本构模型。
Based on random distribution of interior defect in rock, a statistical damage constitutive model for rock is developed by using the continuous strength theory and statistical theory.
结合连续强度理论和统计理论，从岩石内部缺陷分布的随机性出发，建立了岩石统计损伤本构模型。
To join ellipse yield function, hardening parameter with plastic work, associated flow law and damage theory, the elastoplastic damage constitutive model of loess were derived.
结合以塑性功为硬化参数的椭圆形屈服面，根据相关联流动法则及损伤理论推导出了黄土弹塑性损伤本构模型。
A dynamic damage constitutive model was developed accounting for the effect of the initial elastic modulus of the concrete for dynamic analyses of concrete structures.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
According to the damage mechanics, the dynamic damage constitutive model of rock mass containing original damages is proposed.
根据损伤力学理论，提出了含初始损伤岩体动态损伤本构模型。
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。
Proved by the test data, the precision of constitutive model with brittle, ductile failure is higher, which can provide accurately the basis for rock damage assessment.
经实测数据与所建模型对比验证，延性破坏、脆性破坏模式本构模型精度较高，可为岩石损伤评估提供依据。
The main factors such as pressure, the third invariant of stress tensor, strain hardening and softening, stain rate and tensile damage have been taken into account in the constitutive model.
该本构模型全面考虑了压力、应力第三不变量、变形的硬化和软化、应变率强化以及拉伸损伤等各个影响因素。
Based on the damage theory of composite substance, an elastoplastic damage constitutive model of unsaturated undisturbed expansive soil was developed.
以复合体损伤理论为基础，建立了非饱和原状膨胀土的弹塑性损伤本构模型。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
After the free energy and the specific free energy are re-defined in theory, the elastic-plastic constitutive model of gypsum breccia considering expansion and damage are built.
在理论方面，通过对自由能、比自由能的重新定义，建立了考虑膨胀影响的膏溶角砾岩弹塑性本构模型。
Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.
并建立了一种包含纤维增强效应和应变率增强效应在内的损伤本构模型。
The theoretical model and the constitutive equation with the response of both tension and compression for elastic brittle damage evolution taken into account are derived.
提出了考虑拉压响应的弹脆性损伤演变的理论模型与本构方程。
And it is a start when the damage is considered. That using a correct material constitutive equation is the foundation to set up a mechanics model.
采用材料恰当的本构关系是建立各类工程问题力学模型的基础。
This work has established the foundation for the damage constitutive model of the unsaturated loess, which has the very important meaning.
这一工作为非饱和黄土损伤本构关系的研究奠定了基础，具有非常重要的意义。
Under the assumption of equivalent strain principle, a damage constitutive model is established based on Mohr-Coulomb criterion.
根据应变等效假设可得到基于莫尔—库仑准则的损伤本构方程。
And based on the aim of the application of engineering, the pre peak rock 3 parts damage evolution equation and constitutive model are given.
从工程应用出发，给出了峰前分段岩石损伤演化方程及本构关系。
A two damage variable creep constitutive model has been presented for the strength and life of nickel base single crystal superalloy turbine blades.
本文提出双参数蠕变损伤模型用以模拟镍基单晶合金叶片的强度和寿命。
It showed that the constitutive model could be used to simulate mechanical characteristics of rock salt such as creep and damage properties.
其结果表明，此模型能够较好地应用于盐岩的模拟分析。
In this paper a new kind of constitutive model capable to describe the damage of soil structure has been proposed.
提出了一种新型的堆砌体模型，用以描述这种结构破坏现象。
In this paper a new kind of constitutive model capable to describe the damage of soil structure has been proposed.
提出了一种新型的堆砌体模型，用以描述这种结构破坏现象。
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