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各向同性体
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  isotropic body
     An approximaive solution is given of the equation of hot elasticity with changing physical property and with coupling effect,under the thermal shock,within the framework of the orthogonal isotropic body.
     在正交各向同性体框架内,讨论在热冲击作用下,具耦合效应的变物性热弹性方程的求解问题。
短句来源
     Discontinuity Displacement Method of Plane Problem for Transverse Isotropic Body
     横观各向同性体平面问题的不连续位移法
短句来源
     A Solution of the stress ofModel I Embedded Penny-Shaped Crack in a Transversely Isotropic Body
     横观各向同性体中Ⅰ型埋藏圆片裂纹的应力解法
短句来源
     Embedded Crack in Transversely Isotropic Body
     横观各向同性体中的埋藏裂纹
短句来源
     Deduction of axially symmetric elastodynamics equations for transversely isotropic body
     横观各向同性体的轴对称弹性动力学方程的推导
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  “各向同性体”译为未确定词的双语例句
     A characteristic analysis for stress wave propagation in transverse isotropic solid
     横观各向同性体应力波传播问题的特征分析
短句来源
     Consideringthe second kind boundary value problem, there is a difference between these two materials on con-stant coefficient λ_0/λ;
     各向异性体裂纹面第二类边值问题与各向同性体相应问题应力强度因子仅相差一常系数λ_0/λ;
短句来源
     It is pointed out that the stress distribution in the restlinearly anisotropic bodies is identical to that in the isotropic bodies,i.
     指出在直线型各向异性体中的应力分布与各向同性体是一样的,即应力与弹性常数无关。
短句来源
     FUNDAMENTAL SOLUTIONS FOR ISOTROPIC PLANE WITH AN ELLIPTICAL HOLE OR CRACK
     含椭圆孔或裂纹各向同性体平面问题基本解
短句来源
     ON THE GENERAL THEORY OF ELASTICITY FOR A SPHERICALLY ISOTROPIC MEDIUM
     球面各向同性体弹性力学的一般理论
短句来源
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  相似匹配句对
     ON THE GENERAL THEORY OF ELASTICITY FOR A SPHERICALLY ISOTROPIC MEDIUM
     球面各向同性弹性力学的一般理论
短句来源
     Embedded Crack in Transversely Isotropic Body
     横观各向同性中的埋藏裂纹
短句来源
     Volume Graphics
     图形学
短句来源
     Carotid body tumours
     颈动脉
短句来源
     The upper phase of ATPS is liquid crystal and the lower phase isotropic solution.
     下相为各向同性溶液。
短句来源
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  isotropic body
The corresponding boundary-value problem of the classical theory of elasticity is formulated and solved (for stresses) for a linear elastically isotropic or transversely isotropic body.
      
A mathematical description of a model of crack nucleation in a heat-generating isotropic body weakened by a doubly periodic system of cylindrical channels with a round cross section is carried out.
      
General solutions of axisymmetric problems in transversely isotropic body
      
Slip-line field theory of transversely isotropic body
      
A slip-line field theory of transversely isotropic body is proposed in the present paper in order to deal with problems in geology and geotechniques.
      
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Using the concept of reduction coefficients of stress intensity factors to consider the effects of fiber reinforcements,the circumferential strain factor criterion of mixed mode brittle fracture for isotropic bodies has been generalized to apply to,fracture analysis of unidirectional composites.The Calculated results agree very well with the test data on fiber-glass reinforced plastics Scotchply type 1002.

利用应力强度因子折减系数的概念,来考虑纤维增强等的影响,从而可把各向同性体复合型脆性断裂的周向应变因子准则,推广应用于单向复合材料断裂分析。计算结果同E型玻璃钢Scotchply 1002的试验数据符合得很好。

Most of coal measure rocks are anisotropic mass of orthogonal class or rotary orthogonal class. The principles, the method and the formulae for determining the elastic parameters of anisotropic rock under in-house uniaxial compression test conditions, were achieved based on the four tensor transformation of parameters of elasticity. Based on the kinetic equilibrium equation of point and by using the sufficient and necessary conditions of the non-zero solution of the coefficients, the acoustic method for determining...

Most of coal measure rocks are anisotropic mass of orthogonal class or rotary orthogonal class. The principles, the method and the formulae for determining the elastic parameters of anisotropic rock under in-house uniaxial compression test conditions, were achieved based on the four tensor transformation of parameters of elasticity. Based on the kinetic equilibrium equation of point and by using the sufficient and necessary conditions of the non-zero solution of the coefficients, the acoustic method for determining these parameters was developed. Finally, the principles, the method and the formulae for determining the stress with a bi-directional photostrainometer were obtained according to the solution of elasticity to the problems of rotary symmetry. The commonly used expression for measuring the stress in anisotropic mass is regarded as a special case. The formulae for calculating the absolute stress, using the stress-relief method at the bottom of a hole are discussed. All the formulae have been used in practice.

煤矿岩石多属正交类及旋转正交类各向异性体,从弹性参数的四阶张量变换出发,得出了室内单轴压缩条件下进行各向异性岩石弹性参数测定的原理、方法与算式;从点的动平衡方程出发,利用系数非零解的充要条件,得出用声学法测定参数的原理、方法与算式;按旋转对称问题的弹性解,得出了双向光应变计进行应力量测的原理、方法与算式,并使常用的在各向同性体中应力量测的表达式成为特例;论述了孔底应力解除的原理、方法与算式,解决了绝对应力量测问题。上述所有公式已用于实践,并给出了一些实际数据。

In this paper,the interlaminar stresses in symmetric cross-ply laminates subjectedto uniform axial extension are investigated.The mechanical model with the bond layerbetween the fibre laminates is adopted in which the fibre lamina and the bond layerare regarded as transversely isotropic and isotropic respectively.The governing equationsand the corresponding boundary conditions are given for each lamina according to the three-dimensional theory of elasticity.The solutions for displacements and stresses are obtainedin...

In this paper,the interlaminar stresses in symmetric cross-ply laminates subjectedto uniform axial extension are investigated.The mechanical model with the bond layerbetween the fibre laminates is adopted in which the fibre lamina and the bond layerare regarded as transversely isotropic and isotropic respectively.The governing equationsand the corresponding boundary conditions are given for each lamina according to the three-dimensional theory of elasticity.The solutions for displacements and stresses are obtainedin two infinite series of Fourier and hyperbolic functions by the separation variablemethod.Some numerical examples are given for the cross-ply(0°/90°/90°/0°)laminates,and the normal and shear stress distributions in the bond layer are accurately determined.This is an improvement on the Haryashiki's[1]Solution where the uniform trans-verse shear stresses over the thickness in the bond layer is assumcd.The results obtain-ed show that in the bond layer the maximum normal and shear stresse r thethickness occur at the second layer and the maximum interlaminar stresses occur on theinterface between the second and the third layers.They also indicate that some obviousfree-edge effects over the width still remain as before.In addition,the effect of the bondlayer thickness on the interlaminar stresses is discussed.

本文研究了对称铺层的正交层压板在单向拉伸情况下的层间应力问题,文中采用纤维层之间存在胶接层的力学模型,纤维层简化为横观各向同性体,胶接层则为各向同性体。对各个单层按三维弹性理论建立其基本方程式及相应的边界条件,用分离变量法得到以 Fourier 函数和双曲函数两个无穷级数表达的位移和应力解,并对[0°/90°/90°/0°]铺层的层压板进行了实例计算,精确地确定了胶接层中的法向正应力和剪应力分布规律,比林毅在[1]中假定胶接层只承受沿厚度均布的横向剪应力有了改进。计算结果表明胶接层中的剪应力与正应力沿厚度方向在第二层中达最大值,层间应力在第二层与第三层的交界面上为最大,而沿宽度方向仍有明显的自由边缘效应,这与过去已有的结果是一致的。另外,文中还分析了胶接层厚度对层间应力的影响。

 
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