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三温能量方程
相关语句
  three temperatures energy equation
     APPLICATION OF KRYLOV ITERATIVE METHODS IN TWO DIMENSIONAL THREE TEMPERATURES ENERGY EQUATION
     二维三温能量方程的Krylov子空间迭代求解
短句来源
  three-temperature energy equations
     A Difference Scheme for Two-dimensional Three-temperature Energy Equations and Numerical Simulations for Planar Targets
     二维三温能量方程的差分格式及平面靶数值模拟
短句来源
     Numerical simulation is a very important aspect for this research, in which the main task is to solve the system of radiation hydrodynamic equations, especially, we usually do this task using Lagrangian coordinates, and in this case the numerical treatment of three-temperature energy equations is a main difficulty.
     数值模拟是这项研究的非常重要的手段,其核心内容是求解辐射流体力学方程组,而其中三温能量方程的数值处理又是在Lagrange坐标下求解辐射流体力学方程组的主要难点之一。
短句来源
     In a sparse linear system derived from two-dimensional three-temperature energy equations, the diagonal dominan varies greatly from row to row and so is the magnitude of the elements.
     二维三温能量方程离散后得到的稀疏线性代数方程组中,系数矩阵各行的对角占优性相差十分悬殊,矩阵元素相差也十分大.
短句来源
     A difference scheme for two-dimensional three-temperature energy equations in Cartesian coordinates is united with that in cylindrical coordinates. The LARED-H(laser radiation electron dynamic holehurm) code is extended to describe physical processes in both coordinates.
     通过统一二维直角坐标与柱坐标下三温能量方程的差分格式,实现了LARED-H(laser radiationelectron dynamic holehurm)程序既可以模拟正入射激光平面靶过程,也可模拟斜入射平面靶问题,从而扩展了LARED-H程序的功能.
短句来源
  3 t energy equations
     A KRYLOV SUBSPACE ITERATIVE METHOD FOR 2D3T ENERGY EQUATIONS BASED ON AMG PRECONDITIONER
     求解二维三温能量方程的基于AMG预条件子的Krylov子空间迭代法
短句来源
     In this paper,we set up a kind of Krylov subspace iterative method based on semi coarsening AMG preconditioner for the actual 2D3T energy equations.
     本文对一类二维三温能量方程的实际应用问题 ,建立了一种半粗化的代数多重网格法 (SAMG) ,进而得到了以该 SAMG方法为预条件子的 Krylov子空间迭代法 .
短句来源
  “三温能量方程”译为未确定词的双语例句
     A nine point difference scheme and iteration solving method is presented for two dimensional energy equations with three temperatures, in numerical simulation of driven implosion by laser. Some results are given as well. 
     给出了激光驱动内爆数值模拟中二维三温能量方程的九点差分格式及其迭代解法,并给出了九点差分格式与五点差分格式对比计算结果,对一维和二维物理模型进行了数值模拟,得到了令人满意的数值结果。
短句来源
     A NINE POINT DIFFERENCE SCHEME AND ITERATION SOLVING METHOD FOR TWO DIMENSIONAL ENERGY EQUATIONS WITH THREE TEMPERATURES
     二维三温能量方程的九点差分格式及其迭代解法
短句来源
     A KIND OF SEMI-COARSING AMG METHOD FOR TWO DIMENSIONAL ENERGY EQUATIONS WITH THREE TEMPERATURES
     求解二维三温能量方程的半粗化代数多重网格法
短句来源
     In the second part, algebraic multigrid methods are applied to solve two kinds of discrete systems arising from practical applications.
     第二种应用问题来源于辐射流体力学方程组,我们讨论其中的二维三温能量方程离散系统的代数多重网格法。
短句来源
     So we use an analytic solution algorithm to solve the three-temperature energy equation, which makes the calculation much simpler.
     所以我们采用了一种求解析解的算法对三维三温能量方程求解,使得计算量大大减少。
短句来源
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A nine point difference scheme and iteration solving method is presented for two dimensional energy equations with three temperatures, in numerical simulation of driven implosion by laser. Some results are given as well.

给出了激光驱动内爆数值模拟中二维三温能量方程的九点差分格式及其迭代解法,并给出了九点差分格式与五点差分格式对比计算结果,对一维和二维物理模型进行了数值模拟,得到了令人满意的数值结果。

In this paper,we set up a kind of Krylov subspace iterative method based on semi coarsening AMG preconditioner for the actual 2D3T energy equations.The numerical results show that the nwe AMG method is very efficient and robust.

本文对一类二维三温能量方程的实际应用问题 ,建立了一种半粗化的代数多重网格法 (SAMG) ,进而得到了以该 SAMG方法为预条件子的 Krylov子空间迭代法 .数值实验结果表明 ,该方法对求解二维三温能量方程的实际问题是十分有效和健壮的

In a sparse linear system derived from two-dimensional three-temperature energy equations, the diagonal dominan varies greatly from row to row and so is the magnitude of the elements. We provide a new scaling method to improve the diagonal dominance. As ILUT is used to the derived linear system, it reserves the number of elements in each row and several relatively large elements related to the photon are dropped due to the large difference among elements. To improve the equality of the ILUT, we provide a new...

In a sparse linear system derived from two-dimensional three-temperature energy equations, the diagonal dominan varies greatly from row to row and so is the magnitude of the elements. We provide a new scaling method to improve the diagonal dominance. As ILUT is used to the derived linear system, it reserves the number of elements in each row and several relatively large elements related to the photon are dropped due to the large difference among elements. To improve the equality of the ILUT, we provide a new method named multiple row ILUT(MRILUT), in which multiple rows are computed before dropping. The provided methods are embedded into a preconditioned Krylov subspace method to solve the actual two-dimensional energy equations with three temperatures. The number of iteration at each time step and the total computation time are both greatly reduced.

二维三温能量方程离散后得到的稀疏线性代数方程组中,系数矩阵各行的对角占优性相差十分悬殊,矩阵元素相差也十分大.针对前一问题,提出了改善对角占优性的一个新比例化方法.针对后一问题,利用每次舍弃前计算多个行的技术提出了多行ILUT预条件方法.最后,将对角占优性改善技术、多行ILUT与对角元比例化技术、RCM排序联合使用于实际的能量方程离散求解中,取得了较好的加速效果.

 
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