The crack size is crucial for structure fatigue design, fracture mechanics analysis, judgment criterion of fracture and fracture control.
裂纹几何尺寸是在结构的抗疲劳设计、疲劳断裂力学分析、断裂判据和疲劳断裂控制中非常重要的依据。
Finally, applying Probabilistic Fracture Mechanics Approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.
最后，应用概率断裂力学方法(PFMA)，对含初始裂纹体的直升机金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
An expert system of engineering component design and analysis based on fracture mechanics (FM) theory, AFES, is developed in this paper.
论文介绍了我们近日开发的基于断裂力学理论的工程构件设计与分析系统——afes。
Testing and analysis research on fillets of bathtub joint show that the durability design approach based on probabilistic fracture mechanics is applicable to fillets.
通过对浴缸式接头圆角耐久性试验及分析研究，证明基于概率断裂力学的耐久性设计方法对圆角也是适用的。
Fracture mechanics has been applied for harmfulness analysis of flaws in ultrasonic testing of welds in order to improve the reliability of testing results.
在焊缝超声波探伤中应用断裂力学分析缺陷危害程度，以提高探伤结果的可靠性。
The design mainly involves the analysis of the stress, fatigue, thermal ratchet and fracture mechanics, the analysis of flow-induced vibration of the internals and the test verification.
主要涉及的内容包含每个设备部件的应力、疲劳、热棘轮、断裂力学分析和内部构件流致振动分析以及试验验证等。
This paper evaluates the surplus service life of the liquefied natural gas tank by analysis of fracture mechanics, and offers the basis for the safety assessment of welding defects of the gas tank.
文对卧式液化储气罐的焊接缺陷用断裂力学的分析方法，评定了其剩余使用寿命，对大修中储气罐焊接缺陷的安全评定提供了依据。
The fail safety of large integrally stiffened panel is investigated based on the linear elastic fracture mechanics and finite element analysis.
用有限元和断裂力学方法分析大型整体机翼下壁板的破损安全特性。
Applying theory of linear elasticity fracture mechanics to the analysis of high strength concrete (HSC) compress shear member's cracking stress, a corresponding model is established in this paper.
把线弹性断裂力学的理论应用到高强混凝土压剪构件的开裂强度分析中，建立相应的计算力学模型。
This article establish the mechanics model of pendent axis of tube style centrifugal machine, analysis and calculate the fatigue and fracture safety property of pendent axis.
在管式离心机受力分析的基础上，建立了管式离心机吊轴的力学计算模型，并对吊轴的弯扭组合下的疲劳与断裂安全性作了分析计算。
The analysis of cracking in steel Bridges can usually be accomplished by using linear elastic fracture mechanics.
通常可用线弹性断裂力学进行钢桥裂纹分析。
The paper studies the fatigue failure probabilistic model of the weld zone in welded joint using probabilistic fracture mechanics and reliabilitistic analysis methods.
本文采用概率断裂力学方法和可靠性分析方法，针对压力容器焊接接头的组织不均匀特点，研究了焊缝区疲劳失效概率模型。
Based on fracture mechanics and finite element theory, calculation and analysis stress intensity factor of fiber asphalt chip seal under different conditions.
基于断裂力学和有限元原理，计算分析了纤维沥青碎石封层路面结构在不同条件下的应力强度因子。
This paper deals with the numerical analysis of fracture mechanics for rock engineering. Some basic considerations have been taken for special application to rock mass with discrete joints.
本文论述了岩体工程中断裂力学数值分析的原理，阐明了在含断续节理的岩体中进行这种分析的基本方法和一般步骤。
Furthermore, not only a field of stress in order to make the analysis of the fracture mechanics is given and but also the reliable data for designing the similar rollers one provided.
为进一步对它进行断裂力学分析提供了足够的应力场，也为同类型轧辊的设计提供了可靠依据。
Dynamic fracture mechanics takes the effect of inertia into account and is widely applied in engineering structure and validity analysis of equipment.
动态断裂力学作为研究惯性效应不能忽略的断裂力学问题，在工程结构、设备有效性分析等方面得到了广泛的应用。
Finite element analysis method which combines the theory of elasticity viscoelasticity fracture mechanics theory and methods.
其中有限元分析方法结合了弹性力学、粘弹性力学、断裂力学的理论和方法。
Applying probabilistic fracture mechanics approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.
应用概率断裂力学方法，对含初始裂纹体的金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。
Applying probabilistic fracture mechanics approach (PFMA), the reliability analysis is carried out for helicopter metal material (aluminum alloy) structure having initial cracks.
应用概率断裂力学方法，对含初始裂纹体的金属材料(铝合金)构件的疲劳裂纹扩展寿命进行可靠性分析。
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