• So, it is the new method of researching welded structure fatigue damage process.

    因此研究焊接结构疲劳损伤过程途径

    danci.911cha.com

  • With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.

    采用焊点疲劳寿命方法通过有限元分析结合应力计算即可计算出实际载荷工况焊点疲劳损伤

    dict.cnki.net

  • According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.

    依据疲劳损伤累积理论,确定了公两用轨道横梁整体节点连接验证疲劳试验试验荷载

    dict.cnki.net

  • Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.

    因此必要通过实验理论研究等工作,对公路桥梁伸缩装置进行疲劳破坏机理分析疲劳寿命估算

    dict.cnki.net

  • It is shown by multiaxial fatigue experimental verification that the proposed multiaxial fatigue damage parameter can be used for multiaxial fatigue life prediction of notched specimens.

    多轴疲劳试验验证表明,所建立多轴疲劳损伤模型可以好地预测比例与非比例加载缺口件的多疲劳寿命

    dict.cnki.net

  • On the basis of Corten Dolan model and Haibach model the dual-dam model was proposed from the theory of cumulative fatigue damage and the theory of reliability.

    柯特-多兰模型海巴赫模型基础提出了“堤坝模型,然后累积疲劳损伤理论可靠性理论某柴油机曲轴进行了可靠性优化设计。

    dict.cnki.net

  • Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.

    疲劳寿命计算采用断裂力学方法建立疲劳裂纹扩展模型失效模式极限状态方程

    dict.cnki.net

  • It is conducted a theoretical analysis of improving the residual fatigue life of a steel plate with central fatigue damage cracks, which is strengthened by CFRP.

    对含中央疲劳损伤裂纹钢板粘贴CFRP加固改善剩余疲劳寿命进行理论分析

    dict.cnki.net

  • The photographs of the sweep electron microscope show that fatigue damage are caused mainly by microcracks and impurities of metal.

    通过疲劳断口电镜扫描试验,证明防爆膜的疲劳破坏存在于金属内部裂纹杂质所引起

    dict.cnki.net

  • The suspension system is the key component to improve the riding comfort and the handling safety, and reduce the components' fatigue damage.

    悬架系统对于提高车辆平顺操纵稳定性减少振动引起的零部件损坏关键作用。

    dict.cnki.net

  • In this paper a new criterion for thermal fatigue damage was proposed to evaluate the thermal fatigue performances of metallic materials.

    本文提出一种新的疲劳损伤判据用以评估金属材料疲劳性能

    dict.cnki.net

  • 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机械零件工程构件疲劳破坏一种主要破坏模式

    dict.cnki.net

  • By analysing individual parameter, the cause of fatigue damage of water tank was found out, the advice of improvement was put forward.

    通过阶模态参数分析找出水箱疲劳损坏原因提出了进一步改进意见

    dict.cnki.net

  • Optimization design method of welded structure was put forward with welded joint fatigue damage as constraints.

    提出考虑焊接接头疲劳损伤约束焊接结构疲劳优化设计方法

    www.juyy.net

  • Through test analysis of the specimen ( B-car) , the fatigue damage theory is proven to be useful in the vehicle durability test.

    通过样车B试验分析证明疲劳损伤理论耐久试验中应用非常有效

    dict.cnki.net

  • Based on measured data, the statistical data of the low cycle fatigue damage for the mission profile of an aeroengine is analyzed.

    根据某型航空发动机实测数据发动机任务剖面循环疲劳损伤统计数据进行了分析

    lib.cqvip.com

  • A fatigue damage model with tensile strain level is obtained from the tests results in combination with energy theory.

    疲劳试验结果结合能量原理提出了一种考虑拉伸应变水平疲劳损伤模型

    dict.cnki.net

  • Study results indicate that the magnetic memory effect is accumulated in the course of the fatigue accumulation damage, we can detect the fatigue damage of oscillatory component in the .

    研究表明振动构件疲劳累积损伤过程伴随有记忆效应累积,利用振动构件记忆特征可以早期发现疲劳损伤

    www.dictall.com

  • Fatigue damage of ship and ocean engineering structures will caused by fluctuation loadings, such as wave loading, during their service time.

    船舶海洋结构服役过程受到波浪载荷的交变作用而引起结构疲劳损伤

    dict.cnki.net

  • The mechanism of Fe-based alloy coating for thermal fatigue damage resistance of wheel cast steel was analyzed by SEM.

    扫描电镜分析研究了合金涂层车轮铸钢材料抗热疲劳损伤机制影响。

    www.dictall.com

  • Models of fatigue damage.

    疲劳损伤模型

    dict.cnki.net

  • The process of dynamic fatigue damage accumulation was discussed based on residual strain intensity theory and linear degradation criterion.

    基于剩余应变强度理论线性退化准则讨论断续节理岩体动态疲劳损伤累积过程

    dict.cnki.net

  • It is well suited for monitoring in line production in structural components for the aerospace about detection of damage and progressive fatigue damage.

    从这个现象中获得的信息表明,它非常适宜应用到宇航结构件生产线无损检测疲劳损伤预报。

    dj.iciba.com

  • The results indicated that the monitoring wire rope fatigue damage by using MFL is potentially worthwhile to develop.

    研究结果表明利用磁通监测钢丝绳疲劳损伤潜在的工程开发价值

    dict.cnki.net

  • In this paper, the fatigue damage mechanisms of concrete under repealed loads are studied.

    本文研究了水泥混凝土重复荷载作用下疲劳损伤机理

    dict.cnki.net

  • Cemented-stabilized soil fatigue damage was detected on line with system analysis method.

    系统分析方法泥土疲劳损伤进行了在线跟踪。

    dict.cnki.net

  • Domestic and international research of fatigue damage mechanism, test technique and fatigue life prediction of inservice railway steel bridges is summarized and forecasted.

    本文对目前国内外有关疲劳损伤机理检测技术疲劳寿命预测研究总结展望

    dict.cnki.net

  • The results show that multiaxial fatigue damage parameter presented in this paper may be used under either proportional or non proportional loading.

    结果表明本文所提出的多疲劳损伤参量用于比例循环加载可用比例加载条件

    dictall.com

  • The results show that multiaxial fatigue damage parameter presented in this paper may be used under either proportional or non proportional loading.

    结果表明本文所提出的多疲劳损伤参量用于比例循环加载可用比例加载条件

    dictall.com

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