We use the artificial boundary condition method to overcome this difficulty.
我们使用人工边界条件方法来克服这一困难。
A finite element artificial transmitting boundary method is presented for electromagnetic wave scattering from a perfectly conducting circular cylinder and a number of concave objects.
采用有限元-人工透射边界法求出平面波在无限长圆柱上的散射近场，并与解析解进行比较，进而对几种凹面体电磁波散射近场求解。
The wave input method for viscous-spring artificial boundary, calculating method of static boundary conditions on the proposed unifiedboundary and their numerical simulation techniques are studied.
研究了粘弹性人工边界上的波动输入方法，给出了粘弹性静-动力统一人工边界上静力边界条件的确定方法；
The article summarizes the dynamic analysis method and the artificial boundary and damping of numerical dynamic analysis in previous.
本文对以往数值动力时程分析过程中的动力分析方法、人工边界、阻尼等问题进行了总结。
Under the viscous-spring artificial boundary condition, the input method of seismis wave from the artificial boundary is compared with that from the surface of the dam foundation, and ther.
采用粘-弹性人工边界条件应用于重力坝的动力响应分析中，解决了波在边界上的反射问题。
Numerical examples prove good accuracy of the artificial boundary conditions and wave motion input method, which can be easily used in study of problems of nonlinear wave motion in layered soils.
数值算例表明，所给出的人工边界与波动输入方法具有良好的精度，可以方便地应用于成层地基非线性波动问题的研究。
Local artificial boundary of seismic analysis is widely used in time-domain finite element method for its good feasibility and high numerical stability.
地震分析中的局部人工边界由于具有易于实现、稳定性较好的特点，目前在时域有限元法中得到广泛应用。
We propose a numerical method using boundary element to model the electromagnetic filed induced by artificial source in the frequency domain with 3-D topography.
提出了一种用边界元法计算频率域人工源三维地形电磁场的数值模拟方法。
We propose a numerical method using boundary element to model the electromagnetic filed induced by artificial source in the frequency domain with 3-D topography.
提出了一种用边界元法计算频率域人工源三维地形电磁场的数值模拟方法。
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