1) damage plasticity model
损伤塑性模型
1.
The principles of concrete damage plasticity model and how to compute plastic parameters process of concrete are introduced thoroughly,the definition of concrete injury factor and calculation were introduced briefly.
介绍了混凝土损伤塑性模型的原理、钢筋和混凝土材料的塑性计算过程、混凝土损伤因子的定义及计算,通过对一根钢筋混凝土悬臂梁进行了有限元分析,对比了理论计算和有限元计算的差异,探讨了粘性系数和混凝土损伤对计算结果的影响等问题,为进一步利用ABAQUS对钢筋混凝土进行有限元分析提供了参考。
2) elasto-plastic damage model
弹塑性损伤模型
1.
According to characteristic of vertical pressure bearing on top of the culverts,the stress-strain relationship of completely damaged soil—the elasto-plastic damage model of structural clay is applied to the earth fill and the linear elasticity model is used for the foundation.
根据上埋式涵洞顶部垂直土压力的受力特点,涵洞上覆土体采用完全损伤土的应力应变关系——结构性粘土的弹塑性损伤模型,地基采用线弹性模型,利用力的变形协调条件和力的平衡条件对上埋式涵洞顶部土压力的计算方法进行探讨,提出了考虑土的应力损伤和扰动损伤的垂直土压力计算公式。
3) plastic-damage model based on ABAQUS
ABAQUS塑性损伤模型
4) plastic damage model
塑性损伤模型
1.
With a plastic damage model,the simulation of stresses,deformation and damage of the dam under seismic excitation is improved over the linear elastic model.
本文以小湾拱坝为例,引入损伤因子,利用塑性损伤模型来模拟拱坝的材料非线性行为,对拱坝坝体上、下游最大主应力、坝体位移、裂缝开展范围及坝体超载安全系数几方面进行研究分析,结果表明坝体材料非线性对坝体动力响应影响显著,塑性损伤模型比线弹性模型能更好地模拟坝体在地震激励下实际的受力行为、变形和损伤程度。
2.
To find out the differences between fiber model and separate model in bridge seismic analysis,a separate model is built for a continuous rigid frame bridge in ABAQUS by making use of concrete plastic damage model.
为明确纤维模型和分离式模型在应用于桥梁抗震分析中的差异,本文利用通用有限元软件ABAQUS,采用混凝土弹塑性损伤模型,对某连续刚构桥建立了分离式模型。
5) thermoelastoplastic damage model
热弹塑性损伤模型
1.
Based on the problems mentioned above,the oil shale thermoelastoplastic damage model of heterogeneous medium is established;and then a systematic method of defining damage variables is given.
针对油页岩地下开发存在的上述问题,首先建立油页岩非均质热弹塑性损伤模型;然后较系统地给出确定损伤变量的方法,并将热膨胀系数、热传导性、比热、弹性模量、抗拉压强度等材料参数作为满足Weibull分布的随机变量,利用Matlab和Monte Carlo方法实现数值计算物性参数的随机赋值,对油页岩地下开发加热过程中热力破坏问题进行数值模拟。
6) concrete elasto-plastic damage model
混凝土弹塑性损伤模型
1.
In this paper,a new rate-dependent concrete elasto-plastic damage model for simulating the mechanical behaviors of concrete is established by introducing the effect of strain rate,damage variable and stiffness degradation variables.
通过引入应变速率、损伤变量以及刚度退化指标等参数,建立了应变率相关的混凝土弹塑性损伤模型。
补充资料：损伤
损伤
injury
外力作用于身体使某部组织或器官发生结构破坏或功能障碍。可分为机械性、物理性或化学性损伤。机械性损伤可分为开放性和闭合性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条