疲劳损伤过程耗散了能量。
比较各种疲劳损伤累积理论计算方法的优缺点。
The advantages and disadvantages of the fatigue damage cumulative rules are discussed.
从而建立了塑性、蠕变和疲劳损伤现象的本构方程。
Then, constitutive equations are written for plastic, creep and fatigue damage phenomena.
因此，它是一种研究焊接结构疲劳损伤过程的新途径。
So, it is the new method of researching welded structure fatigue damage process.
本文研究了水泥混凝土在重复荷载作用下的疲劳损伤机理。
In this paper, the fatigue damage mechanisms of concrete under repealed loads are studied.
通过疲劳损伤准则，导出疲劳裂纹稳定扩展速率的计算公式。
The formula of the fatigue crack propagation rate was directly derived from the fatigue damage criterion.
所得结果对应用超声兰姆波评价板材疲劳损伤具有实际意义。
The results are of practical significance in the application of Lamb waves for nondestructive evaluation of material damage.
交变冰力引起的结构交变应力必将导致结构的局部疲劳损伤。
Alternating stress produced by alternating dynamic ice force evidently results in the partial fatigue failure.
但对高周次疲劳损伤，进行修复退火不能愈合裂纹和延长寿命。
But for the specimens of high cycle fatigue damaged, the annealing can not increase the total life.
提出考虑焊接接头疲劳损伤约束的焊接结构抗疲劳优化设计方法。
Optimization design method of welded structure was put forward with welded joint fatigue damage as constraints.
实验证明该机适合于骨组织疲劳损伤实验，用于建立骨微损伤模型。
Therefore the device is suitable for bone fatigue damage test and for establishment of the model of bone microdamage.
本文提出一种新的热疲劳损伤判据，用以评估金属材料的热疲劳性能。
In this paper a new criterion for thermal fatigue damage was proposed to evaluate the thermal fatigue performances of metallic materials.
进行了广布疲劳损伤（WFD）铝合金机身壁板的剩余强度试验研究。
The residual strength of the aluminum alloy fuselage panels with widespread fatigue damage (WFD) is investigated experimentally.
介绍了微动疲劳损伤失效的现象，影响因素，鉴别特征，并举例说明。
This article describes the phenomenon, effect factors and distinguishable characteristics of fretting fatigue damage failure by real case.
本文阐述了已有的混凝土结构疲劳累积损伤理论和疲劳损伤识别原理。
In this dissertation, the theory which is known of concrete structure fatigue cumulative damage and damage detection is narrated.
因此，新定义的疲劳损伤阀值与线性累积损伤之间在分布形态上是一致的。
Therefore, the distribution configuration of the fatigue damage threshold is the same as the distribution configuration of lineal cumulative damage.
同时，依据共振疲劳损伤寿命理论确定叶冠的最佳间隙值，来增加使用寿命。
According to the resonant fatigue-damage life theory, the optimum clearance between neighboring shrouds is determined to increase the service life.
用扫描电镜分析研究了铁基合金涂层对车轮铸钢材料抗热疲劳损伤机制的影响。
The mechanism of Fe-based alloy coating for thermal fatigue damage resistance of wheel cast steel was analyzed by SEM.
依据损伤演变与损伤状态、加载条件间的相关性，建立了相应的疲劳损伤模型。
According to the correlation between accumulative damage and loading levels, the fatigue damage model is established.
依据损伤演变与损伤状态、加载条件间的相关性，建立了相应的疲劳损伤模型。
According to the correlation between accumulative damage and loading level the fatigue damage model is established.
疲劳损伤曾使铁路桥梁失效，疲劳裂缝的存在使海洋钻井台倒塌倾覆，酿成悲剧。
Fatigue damage once invalidated railway bridge, fatigue crack ever resulted in collapse of artesian well desk in ocean.
通过对样车(B车)的试验分析，证明疲劳损伤理论在耐久试验中应用是非常有效。
Through test analysis of the specimen (B-car), the fatigue damage theory is proven to be useful in the vehicle durability test.
结合原有的混凝土疲劳损伤模型，建立了预应力钢纤维混凝土板的疲劳损伤演变方程。
Based on the fatigue cumulative damage models, a damage evolution equation for flexural fatigue of SFRPC slabs is set up.
对含中央疲劳损伤裂纹钢板粘贴CFRP加固，改善其剩余疲劳寿命进行了理论分析。
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.
船舶与海洋结构物在其服役过程中受到波浪等载荷的交变作用而引起结构的疲劳损伤。
Fatigue damage of ship and ocean engineering structures will caused by fluctuation loadings, such as wave loading, during their service time.
分析了滑动摩擦副疲劳损伤的产生机理，指出疲劳损伤产生的根本原因是动应力状态。
The originating mechanism of fatigue damage of sliding friction couples is analyzed and that the ultimate causation of fatigue damage is dynamical stress state is pointed out.
本文的主要目的是研究非线性波浪载荷作用下多种应力成份组合的船体结构疲劳损伤计算。
The major purpose of this thesis is to do some research work on calculation of fatigue damage of ship hull structures with combined bending stress under nonlinear wave loads.
对绳槽硬度从HB170 ~HRC60的各种滑轮对钢丝绳疲劳损伤的影响进行了研究。
Influence of groove hardness of steel sheave on fatigue life of wire rope from HB170 to HRC60 is investigated.
对绳槽硬度从HB170 ~HRC60的各种滑轮对钢丝绳疲劳损伤的影响进行了研究。
Influence of groove hardness of steel sheave on fatigue life of wire rope from HB170 to HRC60 is investigated.
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