您要查找的是不是:
- elastic fracture theory 弹性断裂理论
- Fracture Theory and Eng application ? 断裂理论与工程应用(2)
- Modified linear elastic fracture mechanics and finite-element method are applied to determine a sufficient notch or sawcut depth to ensure controlled cracking. 根据线弹性断裂力学理论,通过有限元法计算,分析了路面参数对切缝深度的影响,确定了切缝深度与变温之间的关系。
- In this paper, hydrofracturing breakdown pressure formula is deduced with linear elastic fracture mechanics, and proved exprimentally with rock salt specimen. 本文用线弹性断裂力学理论推导出了在水力压裂情况下轴向对称裂纹钻孔的破裂压力表达式,并用岩盐试件进行了实验验证。
- Based on the linear elastic fracture mechanics,the paper analyses the influence factors of widening pavement cracking under two load modes using the computer package ABAQUS. 基于线弹性断裂力学,使用大型有限元软件ABAQUS对加宽工程路面在2种荷载作用模式下开裂的影响因素进行了分析。
- The shear character in the interface between soil and structure in high stress is one of key research in shaft lining fracture theory. 高应力下土与结构接触面剪切特性的研究是当前井壁破裂理论研究的关键之一,本文对高应力作用下的实验仪器和实验过程做了简要的介绍。
- In this paper two methods of calculating stress density factor in linear elastic fracture mechanism field, namely extrapolated methods and singularity element method, are compared. 该模型的独特之处在于:基于有限元特征法得到的奇异性场数值特征解建立了一种新型界面端奇异单元。
- 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。
- Theoretical expressions of the relaxation moduli of fissured rock mass under uniaxial and hydrostatic strains are derived by use of the Betti reciprocal theorem and viscoelastic fracture theory, and the difference between the moduli is analyzed. 利用线粘弹性断裂力学原理和Betti能量互等定理;推导了裂隙岩体单轴松弛模量和体积松弛模量的理论表达式;对比了两者之间的差异.
- Firstly the initial crack length is calculated according to the stress wave theory: then, the ultimate cracking length caused by blasting is got by the brittle fracture theory of rock. 然后按照岩石的脆断理论计算爆生裂缝的最终扩展长度,对预裂爆破中爆炸作用过程和裂缝的扩展机理进行分析。
- linear elastic fracture mechanics 线弹性断裂力学
- By means of selecting penny shaped crack model to simulate the defects in concrete,the damage model for concrete under multiaxial stress state was developed based on statistical fracture theory. 以圆盘裂纹模型模拟混凝土内部的缺陷,基于统计断裂理论推导出了多轴应力下混凝土的损伤统计模型,并根据应变等价假说,建立了包含损伤的混凝土的基本本构关系。
- Because the process of rock broken is very complicated, there is a difference between the experimental data and theoretical result of expanding fissure by the present dynamic fracture theory. 由于岩石破碎过程非常复杂的,采用当前的动态断裂理论得出的裂纹扩展长度与实测值差异较大。
- linear elastic fracture mechanics (LEFM) 线弹性断裂力学
- linear elastic fracture toughness 线弹性断裂韧度
- Selected Papers on Foundations of Linear Elastic Fracture Mechanics 研究论文选集:基础的线性弹性的断裂力学机械学
- It snapped back like a piece of elastic. 它像一条橡皮带那样迅速弹回。
- He tried in every way to verify this theory. 他想一切办法来验证这个理论。
- I entirely approve of that theory. 我完全赞成那种理论。
- All elastic materials possess this property to a certain degree. 所有弹性材料在一定程度上都具有这种特性。