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- linear elastic isotropy medium 线弹性各向同性介质
- In this paper, the pseudo-spectral method by the wave equations of inhomogeneous elastic isotropic media is developed and the stable conditions for it are given. 从非均匀弹性各向同性介质中的波动方程出发，研究发展了伪谱法数值模拟方法，并给出了稳定性条件。
- To illustrate the foregoing analysis, consider a linear elastic solid. 为了举例阐明以上的分析,我们考虑一种线性的弹性固体。
- The undrained behaviors of a compacted clay with positive dilatancy and a medium sand with negative dilatancy wera predicted using above-mentioned three models, Duncan EB and linear elastic model with parameters determined from the CD test data. 用上面三种模型及邓肯EB模型和线弹性完全塑性KG1模型对具有剪缩性的白河堡击实粘性土和具有明显剪胀性的承德中密砂固结不排水试验作了预测比较。
- By using linear elastic theory, formulae for tangential stress on ellipse edge are derived. 根据线弹性理论,导出了椭圆裂纹边缘的切向应力的表达式。
- In this paper, a new method of the inversion of linear elastic stress field using geodetic data is proposed. 本文基于地表大地测量位移观测值，提出用大地测量监测资料反演戏弹性构造应力场方法。
- Hooke's law postulates that the material has linear elastic behavior and we do not intend considering a different material. 虎克定律假定材料有线性弹性性质，而我们并不打算考虑与此不同的材料。
- We introduce perfectly matched layer to attenuate the refection of the artificial boundary, and construct boundary and corner point conditions of elastic wave equations in isotropy media. 为了消除边界反射，引入最佳匹配层，构造了各向同性介质中弹性波方程在不同边界和角点处的边界条件。
- The stress field of crack tips of linear elastic orthotropic composite plates under the acts of bending and torque is analyzed. 摘要对受弯矩、扭矩混合作用的线弹性正交异性复合材料板的裂纹尖端应力场进行探讨。
- This paper presents extensive test results of linear elastic mechanical properties of Nomex paper and Nomex honeycomb structures. 介绍了对诺梅克斯纸和诺梅克斯蜂窝的线弹性力学特性的大量测试结果。
- Then, based on the linear elastic theory and effective stress concept, the governing equation on stress-strain of the rock containing gas is derived. 然后基于线弹性理论和有效应力概念，建立了孔隙含有气体的岩石的应力-应变控制方程。
- The reflection is lower for polarization by using this method.On the basis of the reflectance R from a dielectric layer on an isotropy medium, the condition to produce polarization is discussed. 从介质膜的能量反射比R出发，探讨了在各向同性介质表面镀介质膜时，反射光为偏振光的条件。
- Based on the homogenization of linear elastic multi-layered media, the correspondence principle in viscoelasticity is applied and the problem in the Carson domain is solved. 在线弹性多层材料的渐近均匀化方法的基础上，应用弹性-粘弹性对应原理，在Carson域中求解粘弹性多层材料的问题。
- 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, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium. 本文傍轴近似法提出了计算三维弹性波方程的吸收边界条件公式，表示了各边界面、边棱和角点处波场所满足的单程波方程，并在三维弹性波数值模拟中进行了应用。
- According to anisotropic theory,we constructed a continuum model and analysed the linear elastic and non-linear properties of the fiber bundle that was not twisted. 根据各向异性弹性理论,构建连续体模型,应用弹性力学方法,分析了非加捻纤维束线弹性和非线性性能;
- 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。
- Most back-calculation theories are based on the linear elastic layer system and quietude analysis method, which neglected the nonlinear peculiarity of the pavement material. 现有的反算理论大多建立在弹性层状体系和拟静力分析方法的基础之上,忽略了路面材料应力应变非线性特性。
- 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。
- This equivalence is implemented through the introduction of a mixed constant containing the Poisson ratios of the transversely isotropic medium. 这种等同关系是通过引入一个与横观各向同性材料的泊松比有关的常数得到的。
