To simplify the calculating program, a Uniaxial anisotropic Perfectly Matched Layer ( UPML) region was divided into six sub-regions and sub-regional symmetry was taken into account. 将各向异性完全匹配层(UPML)吸收边界分区编写,并利用区域的对称性简化了程序;
A mathematical model for steady seepage in homogeneous and anisotropic media is set based on seepage in tunnel in layer distributed soils. 针对层状分布土体中的坑道渗流,建立一个均质、各向异性稳定渗流的数学模型;
Reflection and Transmission Spectrum of Sound at Anisotropic Solid Layer 各向异性固体层的声反射和透射谱
Thermal emission characteristics of an anisotropic scattering medium layer with gradient index 各向异性散射梯度折射率介质层的热发射特性
The Anisotropic Perfectly matched layer ( PML) absorbing boundary condition is used in the FDTD analysis of microstrip structure. A detailed analysis of a planar monopole antenna is presented, and the simulation results are given. 将各向异性完全匹配层(PML)应用在微带结构中,对平面单极子手机天线进行了分析计算,给出了其时域和频域的仿真结果。
When the useful anisotropic parameter η is taken as less than 0.1, the characters of weak anisotropic layer can be better reflected, which the errors of trace correction in near and middle offset are only 1 sample interval. 当取有效各向异性参数η<0.1时,可以较好地反映弱各向异性层的特征,在中、近炮检距附近道的校正误差仅为一个采样间隔。
The propagation of SH plate waves in an anisotropic plate with one viscous liquid layer loading 有单面粘滞液层负载时各向异性薄板中SH波的传播
The model of plain strain inclusion firstly established, which includes three kinds of materials, namely, the anisotropic matrix, the anisotropic inclusion and the thin interface layer. 本文首先建立含有三种介质(各向异性基体、各向异性夹杂、界面层)的平面应变夹杂模型。
The calculation results from the real data indicate that not only the lithology parameters, but also the anisotropic coefficients related to the fractures in the layer can be obtained with this method. 实际资料计算结果表明,此方法不仅能够可靠的求取地层岩性参数,还能得到与地层裂缝有关的各向异性系数。
Then the objective functions are established for joint inversion of Thomsen's anisotropic parameters with vertical velocities and NMO ellipses of three pure modes in a single monoclinic layer. 根据各向异性介质中方位NMO速度与Thomsen参数之间的关系,建立了利用三种波的多方位NMO速度及垂直传播速度反演单层单斜各向异性介质Thomsen各向异性参数的目标函数。
Parameter effects of the main controlled anisotropic layer on structural damping of alternately laminated damped structures 交替层合阻尼结构主控各向异性层参数对结构阻尼的影响
To improve numerical precision, the anisotropic perfectly matched layer ( APML) is used as an absorbing boundary condition in computing. 为提高精度,在计算中应用了各向异性完全匹配层作为吸收边界条件。
The anisotropic parameter ε is then acquired from four offset VSP wells on the base of the attained accurate depth to anisotropic igneous rock layer and thickness of the layer, so that instantaneous anisotropic parameter η is then obtained. 在比较精确确定火成岩地层深度和厚度的情况下,利用偏移距VSP井,求取了各向异性参数ε,从而获得火成岩的瞬时各向异性参数η;
Study on the Anisotropic Magnetoresistance and Magnetic Properties of Permalloy Thin Films Through Growth on Seed Layer of ( Ni_ ( 0.82) Fe_ ( 0.18))_ ( 1-x) Nb_x 以(Ni(0.82)Fe(0.18))(1-x)Nbx为种子层的坡莫合金薄膜的各向异性磁电阻及磁性能研究
Finite-difference time-domain method ( FDTD) was used to simulate the coupling processes of ultra-wide-band ( UWB) electromagnetic pulses into a cavity with a slot, and an anisotropic perfectly matched layer ( PML) absorbing medium was inserted to truncate the computational lattices. 用时域有限差分法(FDTD)模拟超宽带(UWB)脉冲入射时与目标腔体上的孔缝相耦合的过程,用单轴各向异性的完全匹配层(PML)吸收边界条件截断时域有限差分网格。
Effects of anisotropic free-stream turbulence on turbulent boundary layer behavior 非各向同性自由流紊流度对紊流附面层特性的影响
It is found that an obvious in-plane anisotropic giant magnetoresistance ( GMR) effect is appeared in multilayers when the Si layer is increased to 0.9 nm. 发现当Si层厚度达到0.9nm时,多层膜中开始出现较强的平面内各向异性巨磁电阻效应。
In this paper, the spring model for the anisotropic interface layer is built and introduced to the global matrix technique that is popularly used for analyzing layered composites. 建立了各向异性界面层的弹簧模型,并将其应用于分析层状复合媒质的全局矩阵技术中。
The time evolution equation of electromagnetic fields in uniaxial anisotropic perfectly matched layer ( UPML) is derived in detail and the differential equations with time is also obtained by discretization. 详细推导了单轴各向异性完美匹配层(UPML)中电磁场随时间演化的微分方程,并进行了离散化处理,得到了电磁场随时间递进的差分方程。