intensity factor

Stress Intensity Factor of Autofrettaged Thick Cylinder with Two Symmetrical Axial Cracks

用有限单元法计算具有对称轴向双裂纹自增强厚壁圆筒的应力强度因子

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Calculating the Stress Intensity Factor of V-notch by Boundary Element Method

用边界元法计算V形切口的应力强度因子

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Analysis of Stress Intensity Factor of Interfacial Crack in TBC The Method of the Local Moment Estimation

局部配置法求解TBC界面裂纹应力强度因子研究

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Dynamic stress intensity factor impulse response curves are obtained. The dynamic initial fracture time, tf, can be received by RKR local stress fracture criterion. The material dynamic fracture toughness is successfully obtained from numerical simulation.

起裂时问通过RKR局部应力断裂准则获得，结合计算得到的动态应力强度因子冲击响应曲线，最终得到材料动态断裂韧性，并验证了其有效性。

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The influence of inclusion on crack Stress Intensity Factor ( SIF) of Powder Metallurgy ( PM) FGH 95 was investigated using singular element method with fine mesh at crack front.

采用有限元方法中的奇异单元，研究了当粉末高温合金FGH95中存在由夹杂引起的裂纹时，夹杂对裂纹应力强度因子的影响；

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A New Method to Determine the Stress Intensity Factor K1 of a V& Notch

一种求解V型切口尖端应力强度因子K I的新方法

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Vibration analysis method used for determining the dynamic stress intensity factor of three-point bending specimen

三点弯曲试样动应力强度因子求解的振动分析方法

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Whether the cyclic J integral Δ J can be used as a driving force for fatigue crack growth when the stress intensity factor Δ K is not applicable, this problem has been studied in this paper.

对循环J积分ΔJ可否作为应力强度因子幅ΔK不再适用的场合的裂纹扩展驱动力进行了研究。

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In this paper, a simple formula is derived for calculating the dynamic stress intensity factor ( DSIF) of three point bending specimen using dynamic crack opening displacement ( DCOD).

给出了一种由裂纹的动态张开位移计算三点弯曲试样的动态应力强度因子的简单方法。

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Thermal stress intensity factor solutions from weight function are discussed too for their new applicable extent.

还讨论了有关热应力强度因子权函数解的适用范围。

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The third factor ( F3) is the working pressure and intensity factor.

第三个因子F3是工作压力与强度因子。

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To meet the residual strength requirement, it takes the stress intensity factor K1C/ 1. 2 as the termination condition in crack propagation calculation in the article.

为保证剩余强度要求，本文通过在裂纹扩展计算中以应力强度因子达到K（1c）／1.2作为终止条件来实现。

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According to the features of surface defects, introduce oval surface crack model and dynamical thermal stress model, calculation formula of dynamic thermal stress intensity factor of crack is obtained.

针对表面裂纹特性，引入表面半椭圆形裂纹模型，结合动态热应力模型，得到动态热应力裂纹强度因子计算公式。

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Numerical quadrature for dynamic stress intensity factor of thick walled cylinder

数值积分法求解厚壁筒的动态应力强度因子

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An Approximate Analysis of Stress Intensity Factor of Multi-Crack Body Subjected to an Axial Tension

受到轴向拉伸载荷作用的多裂纹体应力强度因子的近似分析

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The stress intensity factor of an autofrettaged thick cylinder with an axial crack on its external

外壁具有轴向裂纹的自增强厚壁圆筒的应力强度因子

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Experimental research on stress intensity factor for surface crack at external thread root of threaded connection

螺纹联接外螺纹牙底表面裂纹应力强度因子的实验研究

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The result provides valid method for thermal stress intensity factor calculation at high efficiency in MSC. Marc.

本文研究结果为热应力强度因子在MSC.Marc环境下的高效率计算提供了有效的方法。

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According to the experimental results of steel compact tension specimen, a empirical relationship between AE energy rate and stress intensity factor range was formulated at the stage of stable crack growth.

通过试验，得出了紧凑拉伸试样在裂纹稳定扩展阶段声发射信号能量率与应力强度因子幅值之间的关系式。

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A study on the dynamic stress intensity factor of thick wall cylinder with cracks

带裂纹厚壁筒的动态应力强度因子研究

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Calculation of Thermal Stress Intensity Factor for Semi-elliptical Surface Cracks of Thin Pipeline

薄壁管道半椭圆表面裂纹热应力强度因子计算

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THE METHOD OF CAUSTICS APPLIED IN FRACTURE MECHANICS ( Determination of Stress Intensity Factor Ki)

焦散线法在断裂力学中的应用（应力强度因子K1的测定）

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The test results show that the longer the time of moist curing, the higher the values of compressive strength, splitting tensile strength, elastic modulus and critical stress intensity factor.

试验结果表明，抗压强度、弹性模量、抗拉强度以及临界应力强度因子随标准养护时间的增长而增大，弹性模量对养护条件的敏感性最大。

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Crack propagation under tensile load and calculation of stress intensity factor

拉伸载荷作用下裂纹扩展及应力强度因子计算

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In this paper, the finite element method was used to compute the dynamic stress intensity factor of thick-walled cylinder with edge crack. The suitable programme and the factors affecting dynamic stress intensity factor was studied.

本文应用有限单元法计算了动态内压下含裂纹厚壁筒的动态应力强度因子K1（t），提供了合理的计算方案，研究了不同动载参量对动态应力强度因子的影响。

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Calculation of stress intensity factor about a thick-walled cylinder with an surface crack under autofrettage stresses

残余应力下厚壁筒表面裂纹的应力强度因子计算

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The experimental results show that foe values of strain intensity factor and strain fracture toughness are more stable and useful or determining the thermal fracture property of the concrete.

实验表明，作者提出的应变强度因子及应变断裂韧性的概念对反映混凝土材料的断裂特性更稳定更具实际意义。

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Pavement's temperature distribution field when suffering sudden temperature dropping was numerical simulated. Crack top's tension stress and stress intensity factor caused by thermal stress were computed, structural parameters' sensitivity analysis were made as well.

对路面突然降温时的温度场进行了数值模拟，计算了温度应力作用下反射裂缝尖端的拉应力、应力强度因子，并对其进行了参数分析。

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Stress Intensity Factor Research about a Thick-walled Cylinder with an Internal Semi-elliptical Surface Crack

厚壁筒内表面椭圆裂纹的应力强度因子研究

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To solve this problem, the article chose the criteria based on the theory of stress intensity factor as the criteria of the crack split by using the fracture mechanics theory of concrete and considering the singularity on the crack tip.

针对这一问题，本文运用混凝土断裂力学理论，充分考虑裂缝尖端的奇异性，采用基于应力强度因子的断裂准则，作为裂缝开裂的评判标准。

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