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.
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