nodal computer

英

美

【计】节点计算机

Many optimal bus-labeling methods have been proposed in order to improve the efficiency of computation of nodal admittance matrix in power systems and to save the computer memories.
电力系统的节点导纳方程组一般是维数很大的线性方程组。为了减少导纳矩阵的运算量，节省计算机内存，人们提出了很多优化编号方法。
We can obtain the sensitivities of all nodal voltages for the parameters of the circuit components only through operating matrix. It is convenient to operate circuit sensitivities by using matrix and computer method.
该方法用于电路灵敏度计算，只需要进行一系列矩阵变换与运算，即可得到电路中节点电压和支路电压对电路参数的灵敏度矩阵，其运算过程规则便于用计算机编程实现，有较大的实用价值。
The nodal temperature changing with time in H-shaped steel column is solved by using computer and draws the isothermal line in order to study the more ideal cooling means of H-shaped steel column.
利用计算机求出H型钢内各点随时间变化的温度，绘出等温线，以研究H型钢理想的冷却方法。
In this paper, a nodal system analysis method is introduced into dynamic evaluation of gas condensate well performance, and a relevant complete computer program is composed.
将节点系统分析方法引入凝析气井的动态分析，并编制了完整的计算软件。