Finite control volume integral approach was developed to discrete elliptic partial differential equation of electromagnetic field, and successive over relaxation method was introduced to expedite numerical converging. 采用有限控制容积积分方法离散求解椭圆型偏微分电磁场方程,并采用逐点超松弛迭代方法加快收敛速度。
Discrete Waveform Relaxation Method of Nonlinear Differential-Algebraic Equations 非线性微分代数方程的一种离散波形松弛算法
The discrete variational method, cluster model and a fully-three dimensional numerical relaxation technique are used to study the atomic configuration, positron annihilation characteristics and electronic structure of the V-N-vacancy complex in the dilute Fe-V-N alloy. 本文利用离散变分法,集团模型和三维数值弛豫技术,研究了Fe-V-N稀合金中V-N-空位复合体的几何构型,正电子湮没特性和电子结构。
Based on three dimensional discrete element method which uses dynamic relaxation, a three dimentional method is proposed to analyse underground water and bolts, the corresponding algorithm and formulas are given, and two examples are computed. 基于采用动态松弛法求解的三维离散单元法,提出了地下水、锚杆的三维分析方法,给出了相应的算法和公式,并通过算例进行了验证。
Study of discrete relaxation time spectrum of PS melts 聚苯乙烯松弛时间谱的计算研究
A3/ 2-approximation algorithm is presented for a controllable scheduling problem with discrete processing times using convex quadratic programming relaxation. 二次规划的稳定性及应用离散加工时间可控的排序问题,得到界为3/2的多项式时间近似算法。
Three-dimensional discrete element method based on static relaxation 基于静态松弛法求解的三维离散单元法
The discrete relaxation time spectrum is calculated from the store modulus and the loss modulus which are got from the dynamic frequency test. 将动态频率扫描实验的储能模量和耗能模量数据,用线性、正则、非线性最小二乘法拟合材料的离散松弛时间谱。
However, the relation between unit commitment risk and unit forced outage capacity is discrete, which leads to a difficult combination with the Lagrangian relaxation method of unit commitment. 但机组投运风险水平与机组强迫停运容量呈离散型的分布关系,因而难以与拉格朗日松弛法的机组组合算法有机结合。
The discrete element method based on static relaxation is extended to three dimensional case. 将基于静态松弛解法的离散单元法推广至三维。
Discrete Multisplitting AOR Waveform Relaxation Algorithm and Its Convergent Analysis for Initial Value Problem of Ordinary Differential Equations 常微分方程组初值问题的离散多分裂AOR波形松弛算法及其收敛性分析
A Controllable Scheduling Problem with Discrete Processing Times Using Convex Quadratic Programming Relaxation 凸二次规划松弛方法研究离散加工时间可控排序问题