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damage index
    Determination of damage index of biomembrane and T-lymphoblast subgroup in patients exposed to polycyclic aromatic hydrocarbons
    多环芳烃接触者生物膜损伤指标及T淋巴细胞亚群测定
    Modal Damage Index and Its Application in Structure Damage Assessment
    模态损伤指标及其在结构损伤评估中的应用
    SPO Damage Index and Its Application in Damage Assessment of Structures
    结构损伤评估分析中的SPO损伤指标及其应用
    Damage performance-based design still belongs to the traditional design method, the damage index is used to checking the structure of the degree of damage after the structure is designed.
    而基于损伤的设计方法虽考虑累积滞回耗能的影响,但它依然属于传统的设计方法范畴,采用“设计—校核”的设计模式,是在结构设计完成的基础上对其进行校核的方法,损伤指标只起到校核作用。
    Then,the damage index recording the material's behavior is integrated into restoring force model of reinforcement and concrete respectively.
    将这一记录材料性能信息的损伤指标带入材料各自的恢复力模型以考虑产生损伤后材料的强度和刚度退化。
    Study of damage index of biological membrane in road-maintaining workers
    公路养路工生物膜损伤指标检测
    Furthermore, using numerical simulation of some damage cases and give the feasible damage index.
    在此基础上,利用数值模拟了桥梁的多种损伤情况,提出了可行的损伤指标
    In addition, in the dissertation a combination damage index based on the improved damage orientation index and the standardization strain modal difference vector is advanced for the neural network input character parameters.
    再者论文提出了一种结合改进的基于频率损伤定位指标与标准化应变模态差的“组合损伤指标”作为网络的输入特征参数进行结构的损伤位置识别。
    The influence of the hysteretic energy dissipation is considered by the equivalent displacement in this method and damage index is used in the process of design. According to the different performance objective, the behavior of structure under the earthquake is controlled effectively. Then the deformation capacity of beams and columns is realized by the earthquake resistant constructional measure.
    针对现有各抗震设计方法存在的问题,通过等效位移考虑地震过程中的滞回耗能影响,同时将损伤指标引入设计过程中,通过用户选用不同的性能目标来实现结构性能控制,从而可以有效的控制结构在地震下的行为,并通过量化的抗震构造措施实现梁、柱的变形能力设计。
    Secondly after damage model of structure is analyzed and considering of rigid degradation in crossing section of structure , the damage index is defined by rotation rigid of element side and the model of damage of crossing section is developed .
    其次,在对现有的结构损伤模型分析之后,考虑到构件截面恢复力模型中卸载刚度的退化现象,作者基于构件端部截面的转动刚度定义了构件的损伤指标,建立了构件层次上的损伤模型。
    A multi-parallel-bars model is developed to describe the above mechanism and a related damage index is initiated based on this model.
    建立了一种平行杆系模型用以描述上述机制,并据此提出了损伤指标
    In the third chapter the simulating system of the structural damage is simply introduced at first, and then the principle, which the multi-scale wavelet analysis carries on the damage identification, is analyzed and a new real-time structural damage index based on multi-scale wavelet analysis is proposed.
    第三章首先对结构损伤的模拟系统进行了简单的介绍,然后分析了小波多分辨率分析进行损伤识别的原理,提出了一种新的基于多分辨率小波分析的在线结构损伤指标
    Four parts on RC beams damage are mainly studied as follow. (1) A damage index of concrete based on the decline of stiffness is established.
    将本文所做的主要研究工作摘录如下:(1)基于混凝土材料的刚度下降定义了混凝土拉压损伤指标
    Then the cross-section damage index is defined, including ordinary concrete cross-section, prestressed concrete cross-section and unloading concrete cross-section.
    定义了普通混凝土截面、预应力混凝土截面、考虑卸载情况的混凝土截面的损伤指标
    [Objective] : By setting up rat models of alcoholic fatty liver, To observe the pathology and ultramicro-structure changes, and to investigate the proteasome LMP7 mRNA expression and protein content, also to investigate the variation of liver damage index and anti-oxidation index, and to treat with tiopronin,Thus to reveal the mechanism of alcoholic liver disease and to provide experiment basis for clinical therapy.
    【目的】:通过复制大鼠酒精性脂肪性肝病模型,观察酒精性肝病发病过程中病理及超微结构变化,检测蛋白酶体LMP7亚基的基因表达和蛋白含量以及肝损伤指标和氧化抗氧化指标在这一过程中的变化,并给予抗氧化药物硫普罗宁对酒精性肝病进行干预治疗,以进一步探讨酒精性肝病的发病机制并为临床治疗提供实验依据。
    Based on the basic theory of element modal strain energy change and structure shape change before and after damage, the damage index was put forward to locate structure damage, the basic formulas are obtained firstly to identify the damage location and discriminate qualitatively the damage degree for beams and plates, and the program is compiled in calculating the damage index for beams and plates.
    基于单元模态应变能改变的基本理论,根据损伤前后结构振型的改变,提出了用于结构损伤定位的指标,并首次推导了识别结构损伤位置及定性判别混凝土梁和板损伤程度的基本公式,编制了梁和板损伤指标的计算程序。
    The damage index is used to identify the damage in a concrete beam and a concrete plate in the numerical simulation and calculation analysis.
    利用该损伤指标分别对混凝土梁和混凝土板的损伤进行了数值仿真模拟和计算分析。
    Peak ground acceleration (PGA) is chosen as strong motion parameter, and the calculation methods of pier's damage index under different failure modes are decided based on the references. · A comprehensive analytical study is conducted to assess the seismic vulnerability of normal beam bridge piers in the longitudinal direction under earthquake loads.
    2)对地震易损性分析中的两个重要指标:地震动强度指标和损伤指标的确定进行了探讨,确定以峰值地面加速度PGA作为地震动强度,并在参考文献的基础上,确定了桥墩在不同破坏形式下的损伤指标的计算方法。
    The damage-repair process is described by Renewal Process. The damage index of a member is expressed in terms of the ratio of maximum curvature to the ultimate one at the position of plastic hinge.
    用更新过程来描述损伤-修复过程,损伤指标用构件塑性铰处的最大曲率和极限曲率的比表示;
    The damage diagnosis method based on vibration testing can be further classified as a direct system identification method, a damage index method and a finite element model modification method.
    其中基于振动测试的损伤诊断法可进一步分为直接的系统识别方法、损伤指标法和有限元模型修正法 .
 

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