土的本构关系模型的研究是土力学研究中的一个关键问题。
The research of soil Constitutive Relationship Model is an important problem in soil mechanics.
建立了混凝土单轴受拉、轴受压与双轴拉压组合条件下的随机损伤本构关系模型。
The stochastic damage constitutional law models of concrete under uniaxial tension, uniaxial compression and biaxial tension compression combination are established.
本文改变传统的数学建模方法,运用神经网络方法,建立一个粘土的非线性本构关系模型。
Instead of traditional methods, a neural network method for building the nonlinear constitutive law model of clay is proposed in this paper.
由此建立耦合损伤变量的混凝土本构关系模型,可用于疲劳荷载作用下混凝土的有限元分析。
The concrete constitutive properties coupling damage can be used for finite element analysis of concrete under fatigue load.
基于材料的各向同性理论,根据应力—应变增量关系,建立了一个混凝土的三维本构关系模型。
The 3d constitutive relationship of concrete model is based on the isotropic approach of material with stress strain increment relationship.
最后,提出一种适合于钢管普通混凝土和钢管高强混凝土轴压构件数值分析中的混凝土本构关系模型。
Then, a kind of model suitable for both high strength and average strength concrete filled steel tubular axial compression members is put forward.
基于有限变形理论和中井的下负荷面本构关系模型,研究了平面应变试验中黏土试样变形的局部化问题。
The finite deformation theory and the Nakai's sub-loading constitutive model are used to investigate shear band localization in plane strain model tests.
引入横观各向同性弹性本构关系模型作为正交各向异性接触模型,实现路面结构层间接触状态的数值模拟。
Horizontal isotropic elasticity constitutive relation model is taken as orthotropic interface model and used to simulate the interface between horizons of pavement.
要想全面地考虑土体本构关系,其模型参数将会多得难以在实践中应用。
However, too many model parameters of soil make the model can not be used in practice.
本文概述了如何利用应变空间表述的伊留辛公设在理论上导出奇异点上的完整的本构关系,并且还给出应用于岩石帽盖模型的一个例子。
This paper derives the integrated constitutive relation at the singular point theoretically by using Hyushin's postulate in the the strain space, and gives an example applicable to the rock cap model.
拉伸弹性模量与压缩弹性模量有明显差异,木质部属各向异性材料,建立力学模型应采用各向异性的本构关系。
There is a distinct difference between tensile and compressive modulus. Xylem is a kind of anisotropic material and modeling its mechanical model needs anisotropic constitutive relations.
对加卸载循环的应力-应变曲线,建立了能作理论拟合计算的材料宏观本构理论模型和关系方程。
Proposed a macroscopic constitutive model and relative equations which can be used to simulate theoretically measured stress-strain curves of loading -and unloading cycle.
在正交法设计的高温拉伸实验结果的基础上,本文建立了TC6钛合金本构关系的非线性模型。
Based on the experimental results of isothermal strain rate tension test, a non-linearity model of constitutive relationships for TC6 titanium alloy was established.
应用传统的极限分析理论,对可简化为刚塑性的材料本构关系提出了一种改进的“刚性-非线性强化”近似模型。
Advances an improving rigid nonlinearity hardening approximate model of the constitutive relations using the traditional theory of plastic limit analysis.
文末,仅通过混凝土立方体抗压强度,建立了不同强度等级混凝土的应力-应变曲线上升段本构关系,该模型结果与试验结果吻合很好。
At the end of the paper, a stress strain response model of different concrete grade has been built only using the compressive strength, and this model coincides well with the experiment results.
著名的剑桥模型描述了土的塑性本构关系,在提出的几十年中已得到广泛的应用。
The Cam-clay model has widely been used in the last decades which described the main features of soil elastic-plastic stress-strain relationship.
通过这些分析结果给出了符合实际情况的边界条件,分析了该地下储气库围岩的本构关系,并最终建立了模型。
These results are given realistic boundary conditions, an analysis of the constitutive relationship of rock underground gas storage, and eventually established a model.
利用原子间相互作用势以及能量等效原理,得到了基于广义连续介质模型的单壁碳纳米管的本构关系。
Based on the established relationship between the atomic potential and the macroscopic continuum strain energy density, analytical expressions for the tangent modulus tensors are derived.
从普通砖砌体的受压试验结果出发,借鉴混凝土本构模型,全面描述了普通砖砌体受压的本构关系。
The stress-strain curve of common brick masonry in compression is completely described based on compress test results of literature and constitutive relationship of concrete.
这种模型满足二维应力平衡条件、莫尔应变协调条件和混凝土双轴软化本构关系。
The model satisfies the two dimensional stress equilibrium, Mohr's cricular strain compatibility and softened biaxial constitutive laws of concrete.
将该参量非局部化后代入非局部损伤本构方程中得到混凝土非局部应力与应变关系曲线,其方程为一维状态下的混凝土非局部损伤本构模型。
And nonlocalizing the damage parameters and then substituting them to nonlocal damage constitative model, thus the nonlocal stress_strain relation curve is obtained.
先是介绍了目前的主要几种砌体受压本构模型,分析了各本构关系的优点与不足。
Primarily, several main kinds of constitutive relationship when the masonry construction is compressed are introduced and the characteristics of their curved line are introduced too.
根据一个有效的非线性粘弹模型,导出复合固体推进剂微分形式本构方程和应变速率关系式。
Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.
本文根据铅的刚塑性本构关系,利用均匀塑性变形能法,推导了铅挤压阻尼器的阻尼力滞回模型。
Based on the rigid plastic constitutive equation of lead, the damping force model of lead extrusion damper was deduced from the even plastic deformation energy method.
基于砂土的常规三轴试验,利用岩土本构关系的数值建模方法,建立砂土的弹塑性本构模型。
Based on the conventional triaxial experiments for sand, the elastoplastic constitutive model of sand is built up through the numerical method of modeling the constitutive law for rock and soil.
采用多胞模型、形状记忆合金一维本构关系分析方法,同时考虑横向剪切的影响,建立了层合梁的数学模型。
This model is developed based on the one-dimensional SMA constitutive equation and multi-cell model, and considers the influence of transverse shear deformation of the hybrid composite beam.
该模型能充分考虑节理裂隙材料和块体材料的本构关系,计算量不大,是一种位移不协调单元。
The constitutive laws of joint material and block material can be fully considered in the model. The cost of computation is low. It is a discontinuous element for displacement.
在此基础上,对传统的BP算法进行了改进,建立了2A70铝合金本构关系的人工神经网络模型。
On the basis of experiment data, a new constitutive model of the 2A70 aluminum alloy was constructed using an amended BP artificial neural network.
然后根据试验数据的整理和分析结果,结合已有的砌体本构关系曲线,提出了本文的砌体结构受压本构关系的模型。
Furthermore, based on other constitutive relationship of masonry, a constitutive relationship model is put forward on the basis of experiment data analysis.
提出了基于混合物理论的泡沫材料连续模型的本构关系。
A constitutive model for foam materials is developed based on the Mixture Theories extended by the concept of volume fractions.
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