anisotropic [ə,naisəu'trɔpik]
- anisotropic的基本解释
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[计] 各向异性的, 非均质的, 不均衡的
- 相似词
- 拼写相近词组、短语
- anisotropic body
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As the foundation of ultrasonic testing of composite materials, this thesis is intended to explore in detail a number of features of wave propagation in anisotropic plates, and the following essential problems will be considered:(1) Propagation of plane bulk waves in homogeneous and orthotropic anisotropic media;(2) Lamb wave propagation in multilayered anisotropic plates;(3) Influence of isotropic solid or liquid loading on Lamb wave propagation in anisotropic solid media;(4) Influence of interface layers on Lamb wave propagation in layered anisotropic composite laminates;(5) Dispersion characteristic analysis of attenuation Lamb wave while existing an thin viscous layer which is used for simulating the poor curing in adhesively bonded joints.
作为复合材料超声检测的基础,本文研究了如下国际前沿性的课题:(1)平面体波在正交均匀各向异性媒质中的传播;(2)多层各向异性媒质中Lamb波的传播;(3)各向同性固体或液体负载对各向异性固体媒质中Lamb波传播的影响;(4)界面层对层状各向异性复合媒质中Lamb波传播的影响;(5)胶粘剂未固化而呈现粘弹性时粘接结构中衰减Lamb波的频散特性分析。
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Second, based on the spherical vector wave function in uniaxial anisotropic medium, and the first, second, third and fourth spherical Bessel functions satisfy the same differential equation and recursive formula. The scattering fields in terms of spherical vector wave function from a uniaxial anisotropic spherical shell and an anisotropic uniaxial-coated conducting sphere by a plane wave are derived. The electromagnetic fields in uniaxial anisotropic medium and free space can be expressed in terms of spherical vector wave functions in uniaxial anisotropic media and isotropic medium.
二、在建立均匀各向异性单轴介质球矢量波函数理论的基础上,利用二阶线性偏微分方程的性质和第一、第二、第三和第四类球Bessel函数满足相同的微分方程和递推关系,我们分别研究了单轴介质球壳和单轴介质涂覆导体球对平面波的电磁散射特性,首先给出了各个区域的电磁场用球矢量波函数来表示的解析表达式,进而利用电磁场在边界上满足电磁场切向连续的边界条件和球谐函数的正交性,得出了各向异性单轴介质球结构中电磁场用球矢量波函数表示的系数所满足的矩阵方程。
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Based on the laminate theory, a laminate weakened by damage is treated as an anisotropic thin plate. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of Faber series. A hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. The state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and Yamada-Sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up. The effects of various parameters on the stress distribution and the residual strength of a composite laminate weakened by damage are detailedly studied.
首先基于经典层板理论,将复合材料层板的弹性问题化归为均匀各向异性板来求解;采用各向异性体平面弹性理论中的复势方法,以Faber级数为工具,给出了有限大含椭圆核各向异性板弹性问题的级数解形式;利用杂交变分原理,成功导出含椭圆核各向异性板杂交应力有限元,并用算例验证了该单元的可行性和有效性;采用含刚度折减椭圆形弹性核的冲击损伤模型,引入基于特征曲线和Yamada-Sun破坏准则的点应力判据,建立了含损伤复合材料层板剩余强度的分析方法;通过数值计算详细讨论了各种几何参数对损伤层板应力分布、剩余强度的影响,得到了一系列对工程应用具有实用价值的结论。
- 更多网络解释 与anisotropic相关的网络解释 [注:此内容来源于网络,仅供参考]
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Anisotropic:(各向异性)
当采集层厚与"长"和"宽三个参数相同时,该体素为"各向同性"(isotropic)的,否则则为"各向异性"(anisotropic)的. 应用各向同性体素的数据作重组处理时,图像在冠状面、矢状面、斜面和曲面的分辨率达到或接近原始横断面图像的分辨率,
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Anisotropic:各向异性的
设计者现在正在研究替代的基底材料,可忍受更高的温度,以及各向异性的(anisotropic)导电性胶来取代倒装芯片和元件包装应用中的焊锡. 无铅合金的较高熔化温度可提供一些优势,比如,提高抗拉强度和更好的温度疲劳阻抗、使其适合于象汽车电子元件这样的高温应用.
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Anisotropic:非均质
(1)消光位:非均质(anisotropic)矿物药薄片在正交偏光镜下呈现黑暗现象,称为消光现象;如旋转物台360℃,视域内出现四次黑暗,即有四次消光现象. 矿片在消光时所处的位置,称为消光位.
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Anisotropic:非单折射性
ani 阿尼珍珠 | anisotropic 非单折射性 | ankerite 铁白云石
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Anisotropic material:各向异性材料
正交各项异性材料(Orthotropic material)与完全各向异性材料(Anisotropic material)分别是怎样定义的?有啥不同啊?
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