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。
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。
Based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking.
基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。
The whole flaw development process of earth body in structure is analyzed according to the theory of damage mechanics and fracture mechanics from the view point of energy.
本文运用伤力学和断裂力学理论，从能量的角度对结构性土体裂纹扩展进行了全过程分析。
Based on the theory of dynamic fracture mechanics, the mechanism of crack-forming among shot holes in the directional split of rock by controlled blasting is expounded.
基于断裂动力学理论，文章论述了切缝药包定向断裂控制爆破炮孔间贯通裂纹形成的机理。
Finally, the methods for calculating fatigue life based on fracture mechanics for welded node and cumulative damage theory for bolted sphere node respectively have been presented.
本文在大量实验的基础上提出了对焊接节点采用断裂力学的方法和对螺栓球节点应用累积损伤理论估算它们疲劳寿命的计算方法。
Based on fracture mechanics and theory of reliability, this paper offers the reliability calculation method for welded box beam having fracture.
根据断裂力学及可靠性理论，提出了一种起重机焊接箱形梁存在裂纹缺陷的可靠度计算方法。
Breakage mechanics is a new theory different from fracture mechanics and damage mechanics.
岩土破损力学是不同于岩土断裂力学和岩土损伤力学的新理论。
Based on the theory of damage mechanics, fracture mechanics and elastic mechanics, the formation and expanding of control fissure were researched under the condition of cycle of freezing and thawing.
基于损伤力学、断裂力学、弹性力学等理论，对冻融循环条件下主控结构面的产生和扩展进行了研究。
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。
A new method of testing the critical stress intensity factor for stress corrosion cracking based on linear-elastic fracture mechanics theory and stress corrosion cracking theory was put forward.
应力腐蚀临界应力强度因子的测试方法是基于线弹性继裂力学理论和应力腐蚀理论提出的一种新的测试方法。
On the basis of summarizing testing effects, the extension of crack and the breaking mechanism of top coal caving in steep seam have been analyzed by applying fracture mechanics theory.
在总结现场试验效果的基础上，应用断裂力学理论分析了急倾斜煤层巷道放顶煤顶煤破断裂纹的扩展和破碎机理。
By maximum tension theory and maximum strain energy density theory in fracture mechanics, created and propagation direction of new artificial fracture are analysized.
分别应用断裂力学中的最大拉应力理论和应变能密度因子理论分析了重复压裂中水力裂缝的初始扩展和延伸方向。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
Based on the theory of fracture mechanics, the calculation of the residual life of machine parts, along with its practical implementation and precautions are stated.
叙述了以断裂力学理论为基础的对设备零部件剩余寿命进行预测的计算方法，指出了工程实际中的实施方法及应该注意之处。
Based on the theory of quasi-static explosion gas dilation and the principle of rock fracture mechanics, Brittle rock fracture model is developed for notch blast with non-coupled charge explosion.
基于准静态爆生气体膨胀和岩石断裂力学理论，建立了不耦合装药刻槽爆破时的脆性断裂爆破模型。
Based on the approach proposed in this paper, the same tensile strength equation as the one given by the composite material approach is derived from the theory of fracture mechanics.
从断裂力学理论出发，导出了与复合材料理论相一致的乱向短钢纤维混凝土的抗拉强度公式。
The continuous damage mechanics theory was applied in hydraulic fracture models and finally could make the results of fracture simulation meet actual conditions in recent years.
国外将损伤力学理论引入到水力裂缝模型中，使裂缝模拟更加接近实际，从而推进了水力裂缝动态行为的理论研究。
We did studies about the correlation of logging data and mechanics parameters of stratum by doing experiments so that the theory of fracture pressure and collapse pressure can become practical.
为了使坍塌压力和破裂压力理论变成一项可操作的技术，我们通过室内实验进行了测井参数与地层力学参数相关性研究。
These fractures , flaws influence the safety of the subsea tunnel directly. Based on the theory of fracture mechanics, the failure procedure of rock sample which includes cracks was simulated.
本文运用断裂力学的有关理论，采用数值模拟方法对含裂纹岩石试件的破坏进行了模拟，为后面裂隙岩体隧道开挖计算提供一种方法。
Using the theory of damage mechanics and fracture mechanics, the damage tensor, effective stress tensor and damage strain, etc. of rock mass are defined, propagation equation of damage is developed.
运用损伤力学以及断裂力学理论，定义了岩体损伤张量、有效应力张量、损伤应变等，建立了损伤演化方程，从而建立了多裂隙岩体的损伤断裂模型。
Supposing the defects as the initial crack, using the theory and testing method of fracture mechanics, the nonlinear fracture process and character of frozen soil are investigated.
把这些缺陷简化为冻土中的初始裂纹，应用断裂力学理论和试验方法，研究冻土的非线性断裂过程和特征。
Isodyne method is very suitible to deal with composite mechanics, fracture and contact problem, The paper described the theory and technique of Isodyne Method.
在复合材料力学、断裂力学和接触问题等领域有广泛的应用前景。
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。
These can be essentially obtained by the distribution analyses of the stress and strain extreme values near the crack tips according to the theory of fracture mechanics.
利用断裂力学中的裂纹尖端应力和应变场的极值分布情况，可以从根本上解决这一问题。
According to the theory of fluid mechanics in porous media, rock mechanics, heat transferring and fracture mechanics, the mathematic model is established to characterize 3d hydraulic fracturing.
根据渗流力学、岩石力学、传热学、断裂力学知识，建立了油水井三维水力压裂模拟计算的数学模型。
For researching crack initiation condition and water injection pressure needed, this paper built up a mechanics model of crack tip based on crisp fracture theory of compound crack.
为研究初始裂缝尖端起裂的条件和所需注水压力，依据断裂力学的复合型裂纹的脆性断裂理论，建立了裂缝尖端力学模型，给出了计算方法。
For researching crack initiation condition and water injection pressure needed, this paper built up a mechanics model of crack tip based on crisp fracture theory of compound crack.
为研究初始裂缝尖端起裂的条件和所需注水压力，依据断裂力学的复合型裂纹的脆性断裂理论，建立了裂缝尖端力学模型，给出了计算方法。
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