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neutron dynamics
相关语句
  中子动力学
     A new way to determine a numerical solution of stiff neutron dynamics equation
     求刚性中子动力学方程数值解的新方法
短句来源
     The thesis is divided into six chapters: Chapter 1 introduces the research work of neutron flux temporal and spatial distribution and neutron dynamics;
     论文分为六章,第一章为中子通量密度时空分布与中子动力学研究及相关研究工作; 第二章介绍了微机化多时空通道中子通量密度数据采集系统的总体设计方案;
短句来源
     The modeling problem of PWR nuclear power station core is expound,critical reactor neutron dynamics model, temperature effect neutron dynamics model and core transfer of heat model is built up apply to microcomputer artificial nuclear power station.
     阐述了PWR核电站堆芯的模型化问题,建立了适用于微机仿真的核电站的临界堆中子动力学模型、温度效应中子动力学模型和堆芯热传递模型。
短句来源
  相似匹配句对
     Process Dynamics
     化工过程动态学
短句来源
     structural dynamics;
     ④结构动力学;
短句来源
     A new way to determine a numerical solution of stiff neutron dynamics equation
     求刚性中子动力学方程数值解的新方法
短句来源
     NEUTRON-SHIELDING GLASS
     防中子辐射玻璃
短句来源
     Supernovae and Neutron Star
     超新星和中子星
短句来源
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The modeling problem of PWR nuclear power station core is expound,critical reactor neutron dynamics model, temperature effect neutron dynamics model and core transfer of heat model is built up apply to microcomputer artificial nuclear power station. The transfer function is built up on the basis of methematics model, emulation is progressed on microcomputer, and emulation result is analyzed.

阐述了PWR核电站堆芯的模型化问题,建立了适用于微机仿真的核电站的临界堆中子动力学模型、温度效应中子动力学模型和堆芯热传递模型。应用所建模型,建立传递函数,用微机仿真并对仿真结果进行分析。

The neutron dynamics equation is stiff, so it takes a long machine time in numerical computation. Many ways have been offered to save time, such as the explicit difference, implicit difference and auto-changed step ways, and etc. , among which the famous ways are Gearian and Hermitian. But the programs of these ways are very complex, and the reduction of machine time is not so obvious. The extinction of the equation stiffness is a new way. The steady time-step can reach 20 s, and the machine time is reduced...

The neutron dynamics equation is stiff, so it takes a long machine time in numerical computation. Many ways have been offered to save time, such as the explicit difference, implicit difference and auto-changed step ways, and etc. , among which the famous ways are Gearian and Hermitian. But the programs of these ways are very complex, and the reduction of machine time is not so obvious. The extinction of the equation stiffness is a new way. The steady time-step can reach 20 s, and the machine time is reduced greatly.

中子动力学方程是刚性方程,数值计算很费机时,为减少计算机时提出了许多算法,常用的有隐式盖分法、多步法和自动变步长法等,著名的方法有吉尔方法和埃米特方法.但这些方法的计算程序复杂且总计算时间减少不明显.消去刚性法是一个全新的算法,稳定步长可达到20 s,计算时间大大下降.

 
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