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damage progress
相关语句
  损伤演化
     Finite Element Analysis on Damage Progress by the Unloading of Surrounding Rock and Stress Field Regulation
     围岩卸载损伤演化及应力场调整有限元分析
短句来源
     Dynamic damage progress of adiabatic shear band of steel
     钢中绝热剪切带的动态损伤演化
短句来源
  破坏演化
     According to the characteristics of damage progress of two-dimensional crack, the DDM tracking of dynamic process of crack propagation has been developed for external load increment and automatic unit addition along the direction of crack propagation under the criteria of maximum tensile stress.
     针对二维裂纹的破坏演化特征 ,建立了外荷载逐次增量及在最大拉应力准则下 ,沿裂纹扩展方向的单元自动追加的裂纹扩展动态过程的DDM跟踪方法。
短句来源
  “damage progress”译为未确定词的双语例句
     We have proposed the evaluation method of the mechanical proorties of composites based on the damage mechanies. As a woven fabric composite material is complicated in structure, however, it will give the imagination that we cannot estimate the mechanical behviors during the damage progress easily.
     我们以损伤力学为基础,提出了一种复合材料机械性能的评价方法,由于织物复合材料结构复杂,可以想像,我们不能轻易地评价出损伤过程中复合材料的机械性能。
短句来源
     According to the feature of calculation of time-variety dynamic system in damage identification,the state space method was introduced to simulate structural damage progress.
     根据时变动力系统的结构损伤识别数值计算的特点,应用状态空间法来对结构损伤动力过程进行数值模拟.
短句来源
     Moreover,the trend of damage progress can be accessed by analyzing instantaneous frequency.
     分析模态响应瞬时频率的时变特点,可以直观地掌握振动中结构的损伤发展规律。
短句来源
  相似匹配句对
     Progress of Brain Damage in Epilespy
     癫癎的脑损伤研究进展
短句来源
     Recent Progress of Damage Mechanics
     损伤力学的最新发展
短句来源
     Progress in Nanocomposites
     纳米复合材料研究进展
短句来源
     PROGRESS IN SEISMOLOGY
     地震学进展
短句来源
     Rail Damage
     钢轨破损
短句来源
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  damage progress
Effect of embedded SMA fibers on the damage progress in composite laminate
      
The components of this model have been developed based on the physics of crack initiation and damage progress on the most damaging planes.
      
The presence of spermatocytes with no more than four autosomal univalents at late pachytene indicates that some cells with low amounts of synaptic damage progress to the end of pachytene.
      
Damage progress of reinforced concrete columns subjected to strong excitation was evaluated from the test.
      
In particular, it focused on the effects of stitching on the damage progress.
      
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A computer simulation model was proposed from the viewpoint of system simulation. The model can simulate the vary of the material properties in the fatigue damage progress. Loading is regarded as the impulse of the system. A series of material states expresses the different damage level. The artificial neural network was applied to describe the nonlinear relationship between fatigue loading and material damage. The experiments under the strain controlled uniaxial and multiaxial loading were...

A computer simulation model was proposed from the viewpoint of system simulation. The model can simulate the vary of the material properties in the fatigue damage progress. Loading is regarded as the impulse of the system. A series of material states expresses the different damage level. The artificial neural network was applied to describe the nonlinear relationship between fatigue loading and material damage. The experiments under the strain controlled uniaxial and multiaxial loading were conducted to verify the proposed simulation model. The model can reflect the affect of loading sequence and the additional strength characteristic of non proportional loading.

从系统仿真的思想出发 ,用材料的不同状态表示材料在疲劳损伤过程中的性能变化·以外部载荷作为系统的驱动事件 ,将疲劳过程转化为材料一系列状态的变迁·用神经网络描述载荷与损伤间复杂的非线性关系·通过调质 45钢的单轴试验数据与正火 45钢的多轴拉扭试验数据建立仿真模型·该模型寿命预测精度较高 ,能够反映疲劳加载顺序效应和多轴非比例载荷附加强化特性

In this paper by introducing the rock micro unit conforming to Weber distribution function, using the theory of damage mechanics of continuous media, a formula of constitutive relationship expressing the heterogeneity of the rock is obtained. Then, using the RFPA analytical system for the rock disruption and destabilizing process, a finite element analysis was carried out on the whole process of damage progress and stress field regulation occurred at rock near the tunnel wall surface during unloading...

In this paper by introducing the rock micro unit conforming to Weber distribution function, using the theory of damage mechanics of continuous media, a formula of constitutive relationship expressing the heterogeneity of the rock is obtained. Then, using the RFPA analytical system for the rock disruption and destabilizing process, a finite element analysis was carried out on the whole process of damage progress and stress field regulation occurred at rock near the tunnel wall surface during unloading of the rock due to tunnel excavation in underground projects such as tunnel cavern etc. A diagram of the process of rock damage progress and regulation of stress field regulation has been obtained.

隧道、洞室等地下工程的修建过程 ,是洞室壁面附近围岩不断发生应力卸载的过程。在这一过程中围岩力学性质与加载过程中表现出的力学性质存在一定的差别。本文通过引入服从韦伯分布函数的细观岩石微元体 ,运用连续介质损伤力学理论 ,得出了可以反映岩石非均匀性的本构关系式 :然后运用岩石破裂与失稳过程RFPA分析系统 ,对隧道、洞室等地下工程由于洞室开挖引起的围岩卸载过程中 ,洞室孔壁附近围岩发生的损伤演化和应力场调整全过程进行了有限元分析 ,得到了洞室壁面附近围岩损伤演化和应力场调整过程图。

In this paper the Displacement Discontinuity Method (DDM) was applied to solve the rupture propagation of two-dimensional combined crack under any load. According to the characteristics of damage progress of two-dimensional crack, the DDM tracking of dynamic process of crack propagation has been developed for external load increment and automatic unit addition along the direction of crack propagation under the criteria of maximum tensile stress. The calculation results for the theoretical solution of the...

In this paper the Displacement Discontinuity Method (DDM) was applied to solve the rupture propagation of two-dimensional combined crack under any load. According to the characteristics of damage progress of two-dimensional crack, the DDM tracking of dynamic process of crack propagation has been developed for external load increment and automatic unit addition along the direction of crack propagation under the criteria of maximum tensile stress. The calculation results for the theoretical solution of the single crack are coincident with the experiment ones for double cracks arranged regularly. The procedure is simple with fewer units and it is easy to simulate multiple crack propagation on the computer.

本文采用位移不连续数值方法 (DisplacementDiscontinuityMethod ,简称DDM)求解二维复合型裂纹在任意荷载条件下的断裂扩展问题。针对二维裂纹的破坏演化特征 ,建立了外荷载逐次增量及在最大拉应力准则下 ,沿裂纹扩展方向的单元自动追加的裂纹扩展动态过程的DDM跟踪方法。得到了单裂纹条件下的理论解及其与规则排列的双裂纹实验结果高度吻合的计算结构。该方法直接在裂纹体上划分单元 ,并且在裂纹演化过程中仅需在原有基础上追加单元 ,程序实现简单、单元数少 ,便于在微机上实现多裂纹的扩展模拟。

 
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