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- dynamic damage evolution equation 损伤发展方程
- dynamic damage evolution 动态损伤演化
- The matrix damage evolution behavior and the effect of matrix micro-cracks on the dynamic characteristics of composite stiffened delaminated plates are studied. 由于该准则考虑了载荷作用周期数的影响,从而能够更合理地分析周期性动载荷作用下基体微裂纹损伤演化规律。
- AE accumulative relative energy is related to the damage evolution of C/SiC composites closely. 声发射累积相对能量和C/SiC复合材料的损伤演化有较好的相关性。
- The creep damage evolution curve from SPCT with three stages is similar tothat of creep strain, being consist of decelerating, constant rate and accelerating stages. 同时证明了作者所建立的有限元模型的正确性。 (3)试样损伤曲线变化规律与蠕变应变的变化规律相类似,损伤曲线具有减速、恒速和加速的三阶段。
- A new dynamic damage and failure model for modeling penetration into concrete or reinforced concrete materials is presented based on TCK damage model. 在TCK模型的基础上开发了一个用于混凝土或钢筋混凝土碰撞或侵彻的损伤模型。
- The meso-scope damage dynamics and damage evolution had been applied to probe the evolution process induced catastrophe in the earthquake activity.It is a new method. 摘要从细观损伤力学及损伤演化的角度探索地震活动中的演化诱致发震是一种全新的方法。
- Structure at work was affected by vibration and impact loads inescapability.So, dynamic damage and destroy is the primary failure mode of structure. 工程结构在服役期间不可避免地受到各种复杂的振动、冲击载荷的作用,动力损伤或破坏是其主要的失效形式。
- Acoustic emission (AE) characteristics of a sandstone sample in fatigue failure process were analyzed by AE testing and its fatigue damage evolution rule was studied. 摘要通过砂岩试件疲劳破坏的声发射实验，分析了砂岩疲劳破坏过程的声发射特性，研究了岩石的疲劳损伤演化规律。
- According to basic damage principle, the shear damage variable of rock and the pull damage variable of grout body are defined, and the damage evolution equation is suggested. 摘要根据损伤理论的基本原理，分别定义了岩体剪切损伤变量和受拉浆体材料的损伤变量，确定了各自相应的损伤演化方程；
- It can be concluded that the transversal wave, especially the unloading transversal wave is especially important for the dynamic damage investigation of brittle materials. 这表明，采用剪切波，尤其是卸载剪切波来探测岩石内部动态损伤非常有效。
- The failure mode of frozen silt with layered structures is mainly controlled by segregating ice.And the damage evolution is remarkably different with different loading directions. 层状构造冻土的破坏主要受控于分凝冰，不同加载方向下层状构造冻土的损伤演化过程存在显著差异。
- In the light of the dynamical analysis of microcrack coalescence, this paperpresents a statistical fractal modeI to describe the damage evolution of spailation. 摘要 通过对微裂纹连接的动力学分析，提出了描述层裂损伤演化的统计分形模型。
- Finally, the damage evolution rule of concrete due to triaxial compressive loading history is summarized, and the problems that should be solved in the future are presented. 然后，对混凝土经历各种三轴受压荷载历史后损伤的演化规律进行了深入研究，幷提出进一步研究应重点解决的问题。
- The damage evolution process is similar to percolation, and the unusual behavior of some properties at fracture or fragmentation is often related to certain scaling relations. 损伤演化过程与逾渗现象极为相似,临近断裂和破碎时,某些物理量所表现出来的异常行为往往满足一定的标度关系。
- The damage zone development and damage evolution ahead of a crack tip in an dutile metal specimen are studied from the viewpoint of continuum damage mechanics. 从连续介质损伤力学的基本理论出发,研究了金属试件中裂纹尖端损伤区的发展和区内损伤的演变。
- This paper expatiates upon the principle and application of Acoustic Emission (AE), and it is known that AE technique is applicable to HTPB composite solid propellant dynamic damage process. 阐述了声发射(AE)原理及应用,指出AE技术适用于研究HTPB复合固体推进剂动态损伤过程。
- This paper expatiates upon the principle and application of Acoustic Emission (A E), and it is known that AE technique is applicable to HTPB composite solid prop ellant dynamic damage process. 阐述了声发射(AE)原理及应用，指出AE技术适用于研究HTPB复合固体推进剂动态损伤过程。
- The three-dimensional finite element analysis of anisotropic brittle dynamic damage mechanism for gravity dam and rock foundation subjected to the blast-impact load has been carried out. 以连续损伤力学为基础,用三维动力损伤有限元模型分析混凝土重力坝及其岩石基础在爆炸冲击荷载作用下的各向异性脆性动力损伤问题。
- Based on this, the relationship between strain and FDEE is studied and a unified equation for low-cycle fatigue fractal damage evolution depended on strain is established, a life prediction method for TC11 welded joint is obtained. 分析建立了分形初始损伤以及分形临界损伤与载荷间的函数关系,将其引入分形损伤演化方程后,得到了仅与载荷相关的焊接接头低周疲劳分形损伤演化统一方程,从而建立了TC11钛合金焊接接头的寿命预测模型,通过该模型可得给定载荷的预测寿命分布。
