The asymptotic analysis of interfacial stability with surface tension anisotropy for directional solidification of alloys;
各向异性作用下合金定向凝固界面稳定性的渐近分析
The elastic wave propagation in two-dimensional phononic crystal at low frequencies and the anisotropy of effective velocity;
长波条件下二维声子晶体中的弹性波传播及各向异性
Measurements of magnetic parameter and calculation of anisotropy on carbon fiber with magnetic coating;
具有磁性涂层的连续碳纤维基本磁特性研究及其各向异性计算
Some crystallized or fractured media show anisotropy relating to elastic wave propagation.
文中建立了一套模拟算法,研究了各向异性与各向同性介质中弹性波场的特征。
The 3D reconstructions were performed with MPR and VRT technique in the second group in order to testify the possibility of isotropy.
方法:将40名非内耳疾病志愿者分别采用HRCT扫描(20例,40耳)和轴位薄层扫描(20例,40耳),后者行MPR和VRT重建,并且,将前者轴、冠状扫描图像与相应的重建图像的显示质量进行统计评分处理,验证能否达到各向同性。
The direct and the inverse solutions,singularities and isotropy of the mechanism were investigated respectively in terms of different actuated inputs,i.
利用螺旋理论对机构的自由度进行了分析和计算,研究了分别以圆柱副中的转动和线性移动作为主动输入的机构的运动学正逆解、奇异性和各向同性。
Constitutive relationships and application of anisotropic viscous materials;
粘性各向异性材料的本构关系及应用
Study on the constitutive equation of anisotropic viscous materials;
粘性各向异性材料本构方程的研究
Study of stress-strain analysis for anisotropic materials;
各向异性材料应力应变分析方法研究
Based on anisotropism theory, the technique of fracture detection by multi-component converted wave develops rapidly in recent years, and has started to be used in practical exploration of fractured reservoirs.
基于各向异性理论的多分量转换波裂隙探测技术近年来发展较快 ,已开始应用于裂缝性油气藏的勘探实践之中。
One is an existing inconsistency between the hypothesis and the potential applied in vertical radial flows, the other is a conditional formula in anisotropism formation.
通过坐标变换 ,以及垂直流动面和水平流动面选取不同的渗透率 ,对Joshi水平井产能公式进行修正 ,提出了一个新的渗透率各向异性储层水平井稳定产能公式。
A new approach to calculate magnetic fields and losses in the end zone of hydro generators at different operations was presented, in which the anisotropism and nonlinearity of the laminated stator core and the segmented clamp are considered with the equivalent magnetic permeability and electric conductivity derived based on the equivalent theory of magnetic and electric circuit.
考虑水轮发电机端部结构的特点 ,计入材料的各向异性和非线性 ,以电路和磁路等效原理导出定子铁芯叠片边段和分瓣压圈的等效电导率及磁导率 。
The Stress Characteristic Field at the Crack-Tip of Mode I Which Lies on the Interface of Isotropic and Orthotropic Materials;
裂纹尖端位于各向同性材料及正交异性材料界面Ⅰ型裂纹的塑性应力场
Image Zooming Based on Isotropic and Anisotropic Diffusion;
基于各向同性和各向异性扩散图像放大
The non-singular boundary element method for the problem of the isotropic uniform bar torsion;
各向同性等截面直杆扭转的无奇异边界元分析
Stress intensity factors near crack tip of anisotropic material with a new hybrid finite element method;
一种新的计算各向异性材料裂纹尖端应力强度因子杂交元法
A new non-conforming finite element FE eigenanalysis method is developed to determine the order and angular variation of singular stress states at material and geometric discontinuities in anisotropic materials subject to antiplane shear loading.
提出采用一种非协调元有限元特征法来计算各向异性材料在反平面剪切载荷作用下的奇性应力指数和奇性场角分布。
In this paper, an general analytical formulation is developed for the equivalent electric or magnetic current on stratified anisotropic material backed by metal surface based on a first order state vector differential representation of Maxwell′s equations.
基于Maxwell方程的一阶状态矢量微分方程描述 ,推导出均匀平面波入射下金属衬底多层各向异性材料表面上等效电磁流的一般解析表达式及其相互关系 ,以此为基础给出了两层涂覆电大尺寸平板导体的散射结果 ,为多层各向异性材料涂覆导体目标电磁散射的近似计算提供了理论基
According to many practical engineering data, a new rock burst theory is advanced, that is, the rock bu-rst occurs once each stress around the mineral cave comes up to go beyond the limit crush strength of the rock stratum around the mineral cave.
以大量的实际工程资料为依据,通过系统的理论分析,提出了洞窟周边各向应力均达到或超过洞窟周边岩体极限压碎强度时就会发生岩爆的见解,给出了新的岩爆预测方法和洞窟周边各向应力计算方法。
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