1) local transmitting artificial boundary
局部透射人工边界
1.
Based on the method of lum-pedmass explicit finite element and local transmitting artificial boundary,pulse displacement is input to the foundation.
本文应用集中质量显式有限元方法结合局部透射人工边界,通过给基础输入脉冲位移,得到基础的反力时程,然后应用FFT求得基础阻抗函数。
2) Local Transmitting Boundary
局部透射边界
3) local artificial boundary
局部人工边界
1.
Starting from the step by step integral algorithm and considering the coupling between the motion of the boundarynodes and the internal nodes, the authors bring about a method which can give an approximate stability criterion of a local artificial boundary in numerical simulation of multi dimensional wave motion.
采用时域局部人工边界同有限元或有限差分相结合的方法分析无界域中的波动问题时可能出现由边界引起的数值失稳现象。
4) artificial transmitting boundary
人工透射边界
1.
Application of local artificial transmitting boundary in calculating transmission loss of water muffler;
应用人工透射边界法计算水消声器传递损失
2.
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。
3.
The finite element artificial transmitting boundary method is employed here to treat the near field scattering of a cylindrical wave from an irregular cylinder.
用有限元－人工透射边界法求出柱面波在无限长圆柱上的散射近场并与解析解比较，进而对几种不规则目标的散射问题求解。
6) order-expanded multi-transmitting artificial boundary
扩阶透射人工边界
1.
An order-expanded multi-transmitting artificial boundary formula is also derived based on the finite element simulation of wave motion.
针对场地介质具有随机特性的无限域地震波动分析问题,在概率空间中将随机反应向量按随机介质场离散所得主导随机变量的正交多项式级数形式展开,使随机微分方程变换为确定性的扩阶线性方程组;并在波动有限元模拟技术的基础上,构造了扩阶透射人工边界公式,两者结合形成了求解无限域随机介质中波动传播问题的有限元分析方法。
补充资料：人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来：前者指人工体外受精而言，后者指把精液注入到妇女的阴道或宫颈管、宫腔内，使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条