The effective of test results on bird striking were analyzed, and also the damage mode of the YB3 plate after breakdown by bird striking was analyzed.
分析了鸟撞实验结果的有效性,同时分析了有机玻璃被鸟体击穿后的破坏模式。
Damage mechanism has been analysed mainly based on operational situation combined with other two factors so as to determine damage mode for elimination of damage factors and improvement of campaign.
本文主要从炉衬的使用状况方面的原因并结合前二方面原因对破损炉衬残块的损坏机理进行分析,以便确定炉衬损坏的模式,从而消除引起炉衬损坏因素,提高炉衬使用寿命。
The FE analysis also shows that with properly created model, the penetration process, penetration properties of steel plate by FSP and target damage mode can be simulated very well by using FE method.
有限元分析结果还表明,采用适当的模型,有限元法能较好地模拟破片模拟弹侵彻钢板的侵彻过程、侵彻特性以及钢板的破坏模式。
To make the endless mode more balanced, vitality is now capped at 200 and spell damage is capped at 50.
使无休止的模式更平衡,活力现在上限为200和法术伤害上限为50。
The use of empirical mode decomposition (EMD) method and wavelet analysis in combination is explored for the detection of changes in the structural response data from structural damage diagnosis.
采用经验模式分解(EMD)与小波分析相结合的方法探讨结构响应数据信号,进行建筑结构损伤检测诊断。
Curvature mode is an excellent parameter in damage identification of structures.
曲率模态在结构损伤识别中有很好的应用。
Fatigue damage is the main destroy mode for the machinery parts and engineering structures under alternate loading over a long period of time.
对于那些长期经受交变载荷作用的机械零件和工程构件,疲劳破坏是一种主要的破坏模式。
From article published at present, it is few only using damaged mode parameter of structure to identify the damage.
从目前发表的文章看,仅仅利用损伤结构的模态参数进行损伤识别的极少。
Based on strain mode shape (SMS), the direct index methods of damage location and degree detection are presented and founded.
提出并建立了损伤位置直接指标法、局域应变模态面积损伤程度直接指标法。
The structural damage recognition is studied with the mode identification method, and the method for drawing the wavelet package signal energy eigenvalue is analyzed.
从模式识别的观点对结构损伤识别进行了分析,分析了小波包信号能量特征提取的方法。
The structural damage recognition has been analyzed with mode identification method and the method for extracting the wavelet package signal energy eigenvalue has been analyzed.
从模式识别的观点对结构损伤识别进行了分析,分析了小波包信号能量特征提取的方法。
It is concluded that the damage features of the lining concrete are related to fire source, fuel supplying mode, landscape and ventilation condition of the conflagration.
衬砌混凝土的局部损伤特征受火灾发生时的火源、燃料供给、受火区段的地形、通风等因素的影响。
The results of emulation indicate that damage features formed by mode strain energy ratio are feasible to identify the structure damage localization and damage severity.
仿真结果表明,模态应变能比对结构损伤位置和损伤程度都比较敏感,是一种有效的损伤标识量。
The results show that the layup sequence has a considerable effect on the damage process and failure mode of the material.
结果表明,铺层次序的不同使得两组材料的损伤进程和破坏模式具有很大差异。
In aviation, aerospace, Marine, transportation and other important industrial field, fatigue damage is a main failure mode of mechanical components.
在航空、航天、海洋、交通等重要工业领域,疲劳破坏是机械构件失效的一种主要故障模式。
In this paper, based on the analysis of preceding research, a parameter, called mode shape curvature ratio, is put forward for damage identification of reinforced concrete framed structure.
本文在分析以往研究成果的基础上,找到了一个基于曲率模态的对钢筋混凝土框架结构损伤识别有效的参数——振型曲率比。
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。
Curvature mode shape can indicate the presence of initial damage and its severity, and locate initial damage of a structure effectively.
曲率模态振型可以有效地确定结构早期损伤的存在、程度和位置。
The dynamic strength failure is the main seismic failure mode of single-layer reticulated shells, and the prediction of failure load requires the consideration of material damage cumulation.
动力强度破坏是网壳结构在遭受地震时的主要失效形式,准确的失效判别需要以基于材料损伤理论的分析为基础。
Although modal flexibility on structure damage and discern has higher sensitivity, it still needs the structure mode parameter before damaging, which is not beneficial to practical application.
虽然利用模态柔度进行结构损伤识别具有较高的灵敏度,但是却要用到损伤前的结构模态参数,不利于实际应用。
Most of structural damage identification is based on the results of displacement mode. The limitation of the results makes the identifying effects not well.
目前结构损伤识别大多是基于位移模态的试验结果进行的,但由于位移模态结果的局限性,很多情况下识别效果并不明显。
Finally, this study analysised the asphalt mixture fatigue damage evolution process of stress control mode and established a relationship between unit load fatigue damage rate and the fatigue life.
最后,本研究分析了应力控制模式下沥青混合料疲劳试验过程中的损伤演化规律,建立了单位加载疲劳损伤率与疲劳寿命之间的关系式。
A damage identification approach applied aptly in Bridges and continuous beams, based on the curvature mode shapes, was studied in this paper.
研究了适用于桥梁和连续梁结构的基于曲率模态振型的损伤识别方法。
The results show that the joint surface and the F1 fault of the slope made a major impact on the slope instability and formed the front section damage and slide mode under certain conditions.
结果表明:边坡的失稳主要受顺坡向的节理面和F1等断层控制。它在将来某种条件下的失稳破坏并会形成前端整体的滑动破坏模式。
Using MATLAB6.5 BP neural network toolbox, compiles the structural damage detection process with the input parameters based on the modal parameters of frequency and mode shape.
以MATLAB6.5BP神经网络工具箱为基础,编写了基于频率平方变化和振型模态分量为输入参数的BP神经网络结构损伤识别程序。
For the leakage accident, the researching emphases are leakage scale and diffusion mode, the article gives attention to evaluate the environmental damage either.
对于泄漏事故,则着重在泄漏规模和扩散形式的研究,也兼顾了环境损害影响的评价。
The strain mode is sensitive to structural damage, and joint damages of framed structures can be diagnosed successfully using Element End strain mode shift.
应变模态具有对结构损伤敏感的特点,应用结构杆端应变模态,完全可以实现框架结构节点的损伤诊断。
The simplified formulas of synthetic mode of stress and strain for isotropic damage was provided.
提出了岩土各向同性损伤本构模型的数值求解法。
The simplified formulas of synthetic mode of stress and strain for isotropic damage was provided.
提出了岩土各向同性损伤本构模型的数值求解法。
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