数值实验证实了该吸收边界条件的正确性。
The validity of the absorbing boundary condition is verified by numerical experiments.
针对这一问题，提出了优化加权吸收边界条件。
In order to solve the problem, we proposed optimized weighted absorption boundary condition.
本文针对声波方程，给出了完全匹配层吸收边界方法。
Aimed at acoustic wave equation, the paper gave absorbing boundary condition by using perfectly matched layer.
设计一种简单、精确、高效的吸收边界条件是很有难度的。
Numerical computation results show that it is a simple and effective absorbing boundary condition.
目前，效果最好的吸收边界条件是完全匹配层（PML）。
The use of perfectly matched layer (PML) in cylindrical coordinates avoids the wasted computation.
提出了一种基于FDTD方法的PML和MUR混合吸收边界条件。
A mixed absorbing boundary condition for FDTD was advanced based on PML and MUR.
分析和研究pML和MUR两种吸收边界在时域拟谱算法中的应用。
The application of PML and MUR absorbing boundary connection in PSTD algorithm was investigated.
联立这些不同的吸收边界条件于实际的有限差分计算可以给出好的结果。
We point out their advantages and disadvantages. A combination of these absorbing boundary conditions adapted to real structural model can give good results.
并简要讨论了FDTD方法的数值色散和计算空间吸收边界的设置等问题。
Minimizing the numerical dispersion in the FDTD calculation region and setting the absorbing boundary have been discussed also.
本文提出一种用于声场时域有限差分法(FDTD)的高效吸收边界条件。
This paper presents a highly efficient absorbing boundary condition suitable for use in the finite-difference time-domain (FDTD) modeling of acoustic fields.
在地震波传播的数值模拟中，在有限区域建立吸收边界条件是一个很重要的问题。
In the numerical simulation of the wave equation, to develop an absorbing boundary condition in the finite domain is a very important problem.
波场快照试算结果表明，这种吸收边界条件吸收效果很好，而且形式简单，易于实现。
Snapshot of wave field trial result says that this kind of absorptive boundary condition brings good absorption effect except.
波场快照试算结果表明，这种吸收边界条件吸收效果很好，而且形式简单，易于实现。
Snapshot of wave field trial result says that this kind of absorptive boundary condition brings good absorption effect except its simplicity and easy achievement.
波场快照试算结果表明，这种吸收边界条件吸收效果很好，而且形式简单，易于实现。
Snapshot of wave field trial result says that this kind of absorptive boundary condition brings good absorption e...
驻波行波边界条件(STWBC)是一种新近提出的概念清晰、实现简便的吸收边界条件。
Standing traveling wave boundary condition (STWBC), clear in concept and easy to implement, is a newly proposed absorbing boundary condition.
第二是辐射的条件通过格林函数在积分方程中自动可以得到满足，而不再需要吸收边界条件。
Secondly, without absorbing boundary conditions, radiation conditions are satisfied automatically in the integral equation by the Green's function.
实现了波动方程FDTD算法的PML吸收边界条件（WE PML） ，并进行了数值验证。
The perfectly matched layer absorbing boundary condition for the wave equation FDTD method (WE PML) is implemented and validated.
采用理想匹配层边界条件以有效吸收边界面上的出射波，并与色散边界条件的吸收效果作比较。
The perfectly matched layer (PML) boundary condition is used to effectively absorb out going wave on the boundary plane by comparison with the absorbing performance of dispersive boundary condition.
但是伪谱法也存在一定的问题，由于折叠效应的影响，普通的吸收边界条件不能达到良好的效果。
Because of the influence for wraparound, ordinary absorb boundary condition can, however, not achieve ideal effect.
研究了有限元正演算法的效率和精度、吸收边界条件等方面的问题，以提高反演系统的效率和精度。
To improve the efficiency and accuracy of the inversion system, problems such as the efficiency and accuracy of the forward modeling system, absorbing boundary conditions and so on, are also studied.
和已有的离散方案比较，采用文中提出的离散方案可使理想匹配层吸收边界的反射误差成数量级地减小。
Compared with the discretization scheme proposed earlier, the new one makes the reflection errors of PML absorbing boundary condition decrease by orders of magnitude when a larger time step is used.
建立离散方程和计算区域，在计算区域的边界上设置了Mur吸收边界这样做将大大的节约计算机的资源。
The area of calculation is built and the Mur absorbing boundary condition is applied at the boundary of calculational area in order to economize the resource of computer greatly.
使用一阶TDMEI吸收边界条件可以充分发挥它与激励源无关的优点，减小计算量，同时保证一定的精度。
The proposed first TDMEI absorbing boundary condition could sufficiently exert the virtue of independence of source, reduce calculation and guarantee precision at the same time.
将此吸收边界模块加入到国产粒子模拟软件CHIPIC中，同美国商业粒子模拟软件MAGIC相比有更好的吸收效果。
The module of this PML is added into the homemade software CHIPIC and enables the latter better wave absorbing than MAGIC.
在外边界上统一应用适合于人工源的一阶吸收边界条件来形成边值问题，可减小基于平面波假设造成的人为截断边界的影响。
The first order absorption boundary condition is applied to the outside boundary, which can avoid the error caused by the plane wave assumption.
本文讨论了在波动方程偏移问题中构造吸收边界条件方程的原则，并提出了求解具有吸收边界条件的偏移问题的一种新方法——矩阵拟合分解方法。
In this paper a fitting decomposition method is proposed and the principles for construe - ting equations which characterize the absorbing boundary conditions is discussed for wave equation migration.
采用时间上二阶、空间上高阶近似的交错网格高阶差分公式求解三维弹性波位移-应力方程，并在计算边界处应用基于傍轴近似法得到的三维弹性波方程吸收边界条件。
Here, we use second-order, temporal - and high-order spatial finite-difference formulations with a staggered grid for discretization of the 3-d elastic wave equations of motion.
像二氧化碳一样，黑碳吸收阳光和红外线辐射，将热量滞留在大气中-包括最接近地球表面的边界层。
Like carbon dioxide, black carbon absorbs sunlight and infrared radiation, trapping heat in the atmosphere — including the boundary layer closest to Earth's surface.
本文研究一类具有非线性吸收和非线性边界流的非线性扩散方程，建立了解的爆破速率估计。
In this paper, the blow-up rate is determined for a nonlinear diffusion equation with nonlinear absorption and nonlinear boundary flux.
本文研究一类具有非线性吸收和非线性边界流的非线性扩散方程，建立了解的爆破速率估计。
In this paper, the blow-up rate is determined for a nonlinear diffusion equation with nonlinear absorption and nonlinear boundary flux.
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