An approximate linearization method is proposed for nonlinear neutron transport equations.
针对考虑中子之间相互碰撞的非线性中子输运方程,提出一种线性化近似处理方法,导出相应的积分输运方程,利用蒙特卡罗方法求解此方程,数值实验表明算法的有效性,为研究超高能中子产生与输运问题提供了必要的模拟工具。
In this paper the methods of determining iterative initial value about iterative proce- dure for discrete ordinate time-dependent neutron transport equation are studied.
研究离散纵标动态中子输运方程迭代求解时,迭代初值的不同选取方法,设计合理的迭代初值可以适当放宽对时间步长的限制,缩短计算时间。
Motivated by issues from applications and requirements in the future, this paper is focused on the numerical simulations for the multi-dimensional neutron transport equation.
针对高维中子输运方程的数值模拟，基于在应用中提出的问题和未来发展的需求，本文研究了二维离散格式的“对称性”问题，并对三维差分方程作了离散解的先验估计以及并行和加速收敛算法的设计、应用，得到了若干具有理论和实际意义的成果。
The treatment,by which the non-homogeneous equation was transformed into homogeneous equation,not only simplifies.
将非齐次方程转化为齐次方程不仅使问题变得大为简化,同时也减少了数值计算的工作量。
Considering the symplectic relations of variations in the thermal equilibrium formulations and gradient equations,the non-homogeneous Hamilton canonical equation was transformed into homogeneous equation for solving independently the coupling problem of piezothermoelastic bodies by increasing the dimensions of the canonical equation.
考虑热平衡方程与导热方程中变量的对偶关系,通过增加正则方程的维数,成功地将非齐次的正则方程转化为能独立求解的压电热弹性体耦合问题的齐次方程。
First of all,a non-linear Schrodinger equation can be converted into homogeneous equations,and then the precise integration method can be used to solve these problems.
首先将非线性薛定谔方程变形为齐次方程的形式,然后用精细积分法模拟其随时间的演化过程。
Angular Discretization of Neutron Transport Equation Based on Daubechies Wavelets
中子输运方程的Daubechies小波角度离散
Reconstructing Source Term of the Integro-differential Transport Equation
中子输运方程的源项反演问题(英文)
A Discrete Nodal Transport Method Applied to Solve Two-Dimensional Neutron Transport Equation in Cartesian Geometry
解稳态二维笛卡尔几何下中子输运方程的离散节块输运方法
Parallel S_n Algorithm for 2-D Transport Equations Based on Unstructured Grid
二维非结构网格中子输运方程并行S_n计算
Application of Wavelets Scaling Function Expansion to Continuous-Energy Neutron Transport Calculation
小波尺度函数展开在连续能量中子输运方程计算中的应用
Study on Method of Characteristics Based on Cell Modular Ray Tracing
以栅元为模块进行特征线跟踪的中子输运方程解法
Realization of Method of Characteristics Based on Customization of AutoCAD
基于AutoCAD二次开发实现中子输运方程特征线法求解
The rate equation of probability of electron in three coupled quantum dots;
电子在三个耦合量子点中输运的主方程
neutron transport mean free path
中子输运平均自由程
Linear Discontinuous Finite Element Method for Particle Transport Equation
粒子输运方程的线性间断有限元方法
Diversion Probability Matrix on Stochastic Process of Neutron Transport
中子输运随机过程中的转移概率矩阵
THE APPROXIMATE SOLUTION OF THE EQUATION OF MOTION AND THE GENERAL DIAGRAM OF ACCEPTANCE FOR 100% ION TRANSMISSION IN QMF
四极滤质器中离子运动方程的近似解法及100%传输时的接受相图
We are afraid that the cases you mentioned must have been unpacked during the transit.
恐怕你说的那些箱子在运输过程中被人打开过。
Study on Carrier Transportation in Photoelectric Semiconductor Detectors;
半导体光电探测器中载流子输运过程研究
Experimental Study of Carrier Transport Process in Weak Photoconductive Material with the TOF Technique;
弱电导材料中载流子输运过程的TOF实验研究
3-D Monte-Carlo Neutron Transport Code MCMG-Ⅱ and Benchmark Tests
三维多群中子输运蒙特卡罗程序MCMG-Ⅱ基准检验
Development of a 1D neutron transport code employing the method of characteristics
一维特征线法中子输运程序开发及验证
With this method, a Teledata Transfer system for China Three Gorges project material supply has been built.
采用这种方法建立了三峡工程散装水泥/煤灰调运信息系统中的数据传输及预处理子系统。