1) multi-grid iteration
多重网格迭代
1.
And then it accomplishes the solution of the generalized eigenvalue problems by multi-grid iteration procedure.
这种方法充分利用了初始网格下的结果 ,通过插值或最小二乘拟合技术来得到网格变化后的新的近似特征向量 ,然后由多重网格迭代过程实现对结构广义特征值问题的求解 。
3) multi-iteration
多重迭代
1.
Using ground features as constraint boundary,the foot points of ditches and bank are picked up from a land point cloud with multi-iteration classification tools.
提出用地面特征约束斜率分割区域,对陆面点采用小角度多重迭代分割,提取沟槽特征的方法;设计了一个综合应用斜率分割、密度和反射强度分割、高度分割来提取水下地形、出露沙洲、有水沟槽地等地面特征的技术方案。
4) algebraic multigrid
代数多重网格法
1.
An algebraic multigrid method for a class of discrete models of lattice structures;
求解一类网格结构模型的代数多重网格法
2.
The advantages of the algebraic multigrid method are better convergence character, shortercomputation time of CPU, and needing smaller memory capacity of computer.
代数多重网格法具有存贮量小、收敛精度高和计算时间少等优点,本文将代数多重网格方法引入到岩体力学有限元计算领域,论述了基于单元聚集和能量极小意义下适于岩体力学有限元求解的代数多重网格粗化策略与插值算子,并详细描述了相应的代数多重网格算法。
5) algebraic multigrid method
代数多重网格法
1.
Research on Algebraic Multigrid Method and Application to Signal Integrity Analysis System;
代数多重网格法研究及在信号完整性分析系统中的应用
2.
The algebraic multigrid method is used to solve finite element linear equations which are derived from three-dimensional finite element analysis of rock mechanics and engineering.
采用代数多重网格法求解岩石力学三维有限元离散线性方程组,简要介绍代数多重网格三维粗网格形成方法与三维插值算子,利用研制的基于代数多重网格法的三维有限元程序进行—系列数值试验。
3.
The algebraic multigrid method is characterized by rapid convergence,high computational efficiency and less computer memory requirement.
代数多重网格法具有存贮量小、收敛精度高和计算时间少等优点,将代数多重网格方法引入到岩体力学有限元计算领域,论述了基于单元聚集和能量极小意义下适于岩体力学有限元求解的代数多重网格粗化策略与插值算子,并详细描述了相应的代数多重网格算法。
6) algebraic multigrid
代数多重网格
1.
In this paper we construct a simple but applicable algebraic multigrid-preconditioned CG algorithm (AMG-CG ) for the solution of the finite element equation of the stress concentration problem in anisotropic plate.
针对各向异性板应力集中问题有限元方程的数值求解,建立了一类简单且实用的代数多重网格预处理共轭梯度法(AMG -CG法) 。
2.
We constructed a simple but applicable algebraic multigrid-preconditioned CG algorithm(AMG_CG)for the solution of the finite element equations of three dimensional elasticity problems.
针对三维弹性问题中有限元方程的数值求解,建立了一类简单且实用的代数多重网格预处理共轭梯度法(AMG_CG法),详细描述了相应代数多重网格方法的粗化技术及网格转移算子的构造。
3.
This paper presents a new parallel scheme on finite element analysis, in which an algebraic multigrid algorithm in conjunction with block iteration technique and multifrontal technique is developed to solve finite matrix equations.
提出一种新的有限元并行计算格式 ,将代数多重网格、块迭代与多波前技术综合用于有限元分析 ,具有不限制节点编号顺序、编程简单、存储量小和计算时间少的优点 。
补充资料:层层迭迭
1.见"层层迭迭"。
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