DANTSYS: A diffusion accelerated neutral particle transport code system
DANTSYS: A diffusion accelerated neutral particle transport code system
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DOI：
10.2172/212580
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发表时间：
1995-06
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影响因子：
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通讯作者：
R. Alcouffe;Randal S. Baker;Forrest W. Brinkley;R. Douglas;O’Dell;Wallace F. Walters
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文献类型：
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作者：
R. Alcouffe;Randal S. Baker;Forrest W. Brinkley;R. Douglas;O’Dell;Wallace F. Walters
DANTANT代码包包括以下传输代码：ONEDANT、TWODANT、TWODANT/GQ、TWOHEX和THREEDANT。DANTALND代码包是一个模块化的计算机程序包，旨在解决时间无关的，多组离散纵坐标形式的玻尔兹曼输运方程在几个不同的几何形状。软件包的模块化结构将输入处理、输运方程求解和后处理（或编辑）功能分成不同的代码模块：分别为输入模块、一个或多个求解器模块和编辑模块。输入和编辑模块本质上是非常通用的，对所有求解器模块都是通用的。ONEDANT求解器模块包含一个一维（平板、圆柱体和球体）、时间无关的输运方程求解器，使用标准菱形差分法进行空间/角度离散化。该软件包还包括名为TWODANT、TWODANT/GQ、THREEDANT和TWOHEX的求解器模块。TWODANT求解器模块使用菱形差分法对空间/角度离散化求解与时间无关的二维输运方程。作者还引入了一种自适应加权菱形差分（AWDD）方法，用于将空间和角度离散化为TWODANT作为一种选项。TWOHEX求解器模块在等边三角形空间网格上求解与时间无关的二维输运方程。THREEDANT求解器模块使用设置为零的菱形差分和AWDD方法求解XYZ和RZ{Theta}对称性的时间无关三维输运方程。TWODANT/GQ求解器模块使用任意四边形的空间网格求解XY和RZ对称的2-D输运方程。空间差分法是基于钻石差分法与设置为零的固定与变化，以适应广义空间网格。
The DANTSYS code package includes the following transport codes: ONEDANT, TWODANT, TWODANT/GQ, TWOHEX, and THREEDANT. The DANTSYS code package is a modular computer program package designed to solve the time-independent, multigroup discrete ordinates form of the boltzmann transport equation in several different geometries. The modular construction of the package separates the input processing, the transport equation solving, and the post processing (or edit) functions into distinct code modules: the Input Module, one or more Solver Modules, and the Edit Module, respectively. The Input and Edit Modules are very general in nature and are common to all the Solver Modules. The ONEDANT Solver Module contains a one-dimensional (slab, cylinder, and sphere), time-independent transport equation solver using the standard diamond-differencing method for space/angle discretization. Also included in the package are solver Modules named TWODANT, TWODANT/GQ, THREEDANT, and TWOHEX. The TWODANT Solver Module solves the time-independent two-dimensional transport equation using the diamond-differencing method for space/angle discretization. The authors have also introduced an adaptive weighted diamond differencing (AWDD) method for the spatial and angular discretization into TWODANT as an option. The TWOHEX Solver Module solves the time-independent two-dimensional transport equation on an equilateral triangle spatial mesh. The THREEDANT Solver Module solves the time independent, three-dimensional transport equation for XYZ and RZ{Theta} symmetries using both diamond differencing with set-to-zero fixup and the AWDD method. The TWODANT/GQ Solver Module solves the 2-D transport equation in XY and RZ symmetries using a spatial mesh of arbitrary quadrilaterals. The spatial differencing method is based upon the diamond differencing method with set-to-zero fixup with changes to accommodate the generalized spatial meshing.