Calculation of Stress Intensity Factors for Oblique through Cracks

To explain the application of this criterion, the propagation of a embeded elliptic crack and some through cracks with straight front are discussed in the paper.

为了说明该准则的应用，文中具体研究了埋藏椭圆盘状裂纹和直前缘穿透裂纹的扩展行为。

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We wormed our way through the crack in the wall.

我们慢慢地从墙上的裂缝处爬出来。

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crack Dust blew through every crack in the room.

灰尘随风从每个裂缝钻进房间里。

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However, with the exploitation of reservoirs, the improper working system or the injected water entering into the horizontal section through crack will cause the problem of horizontal wells producing water, then the measures of profile control and water shutoff should be taken.

在水平井注水开发过程中，由于注入水随裂缝进入水平井段，引起水平井出水问题，需要对其采取调剖堵水处理措施。

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This paper, based on the finite element method ( FEM) and utilizing two different means, analyzes the stress and strain field distribution of central through crack tip on a finite flat plate, and calculates the stress intensity factor of the crack tip.

基于有限元分析方法，对有限大平板中存在的中心穿透裂纹，分别用不同的方法分析其裂纹尖端应力、应变场分布，计算出裂纹尖端的应力强度因子。

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The experiment results demonstrate that the failure process of thermal barrier coating mainly goes through crack formation, propagation and spallation of coating, whereas, the oxidation of bond coat is the main cause of coating spallation.

实验表明热障涂层热震失效的过程主要是裂纹形成、扩展及涂层剥落，粘结层的氧化是导致涂层剥落失效的重要原因。

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Using MARC commercial software, tensile plate models of both all base steel and welded joint with various center through crack sizes were computed by three-dimensional finite element method, and the tensile process was simulated at the same time.

采用MARC商用软件，对不同中心贯穿裂纹尺寸的母材及其实际焊接接头拉伸板模型进行了三维有限元计算和拉伸过程模拟。

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Complex function theory is, so far, only method that has been used to solve the plane problems in homogeneous anisotropic elastic body with a center through crack, as in reference [ 1].

带中心穿透裂纹的各向异性体均质模型的平面问题迄今仅见于复变函数方法的求解，如文献[1]。

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Based on this, the equivalent COD conversion relation between a yielded surface crack in an general oblate shell and a through crack in an infinite plate is derived.

在此基础上，提出了屈服后一般扁壳表面裂纹与平板穿透裂纹的等COD换算方法。

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Investigation done in this paper is the retardation effect of a single tensile overloading on the fatigue crack growth rate of on axial through crack in 16 Mn steel pressure vessels.

本文对16Mn钢压力容器中轴向贯穿疲劳裂纹的超载迟滞效应进行了试验研究。

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In this paper, the fracture character and cause were analyzed through crack macroscopic observation, fracture surfaces observation of cracks, metallography analysis and material mechanics properties testing.

通过对故障油箱壁板的裂纹宏观观察、断口的宏微观观察以及裂纹金相分析和材料的性能测试，对壁板裂纹的性质与原因进行了分析。

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On the other hand, for the large size crack or the total through crack, the simplified straight pipe would result in too conservative assessment results.

对于大尺寸裂纹或者穿透裂纹，简化的直管评定会得到过于保守的结果。

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The Photoelastic determination of the mixed-mode stress intensity factors for the plate with central through crack under axial tensile stress field was studied.

本文研究了中心贯穿裂纹极试件在单轴拉伸应力场中混合型强度因子的光弹性测定。

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In this paper, the splitting characteristics of PS waves propagating through crack layers are discussed by synthetic seismograms.

本文用各向异性合成地震图讨论穿透裂隙层PS波的分裂特征。

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Stress intensity factor expressions of 2D edge through crack and center through crack in the finite rectangle plate were obtained.

利用曲线拟合有限元分析结果获得了各种长宽比的有限尺寸平板2维直线边缘穿透裂纹和中心穿透裂纹的应力强度因子表达式，并将计算结果与有关文献比较，表明这种方法是行之有效的。

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This paper introduced the detailed procedures of modeling a3-D straight through crack with ANSYS solid modeling method.

介绍了ANSYS实体建模方法创建含三维穿透裂纹结构有限元模型的详细步骤。

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Then the K resemble theory was used to translate the surface crack to middle through crack.

并利用K相似原理，把表面裂纹问题转换为中心贯穿裂纹问题；

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In this model, an initial through crack and the material damage occurring after loading are involved.

这个模型包含一条初始穿透裂纹以及受载后发生的材料损伤。

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Engineering Solution and Finite Element Solution of Crack Tip Opening Displacement for Surface Plate with Center Through Crack

中心裂纹板张开位移研究

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Sound field radiated by cantilever thin square plate with artificial through crack based on FEM

裂纹悬臂方薄板的振动辐射声场

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