介绍了金属延性动态损伤的微孔生长模型的研究方法和一般内容。
The studying method and the general contents of microvoids growth models for dynamic ductile damage of metals are introduced and the newest models are evaluated.
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。
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.
模态模型描述机械结构的固有动态特性,结构损伤将导致模态参数的变化。
Modal models describe structure inherent dynamic characteristics, thus structural damage will result in changes in modal parameters.
目的通过观察百草枯染毒大鼠模型中百草枯在血液和脏器组织中含量的动态变化,探讨百草枯染毒大鼠组织毒物含量与脏器损伤之间的关系。
Objective To observe the content dynamic changes of paraquat in plasma and tissue in the paraquat poisoning rat model and explore the relationship between paraquat tissue content and organs injury.
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。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
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。
According to the damage mechanics, the dynamic damage constitutive model of rock mass containing original damages is proposed.
国外将损伤力学理论引入到水力裂缝模型中,使裂缝模拟更加接近实际,从而推进了水力裂缝动态行为的理论研究。
The continuous damage mechanics theory was applied in hydraulic fracture models and finally could make the results of fracture simulation meet actual conditions in recent years.
基于该模型进行了静动态特性试验和损伤模拟试验。
By means of test model, static and dynamic properties of the suspension bridge model have been analyzed.
探索岩石动态损伤参量及其演化表征方式以构造岩石爆破损伤模型。
The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting.
基于损伤条件下果实刚性跌落冲击变形特征,提出一表征其非线性黏弹性的动态流变模型,建立多层果实跌落冲击模型。
The dynamic nonlinear viscoelastic model and dropping shock model of multilayer fruit were developed in terms of the dynamics characteristics obtained by dropping shock tests.
基于损伤条件下果实刚性跌落冲击变形特征,提出一表征其非线性黏弹性的动态流变模型,建立多层果实跌落冲击模型。
The dynamic nonlinear viscoelastic model and dropping shock model of multilayer fruit were developed in terms of the dynamics characteristics obtained by dropping shock tests.
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