Foam: Multi-dimensional general purpose Monte Carlo generator with self-adapting simplical grid

Abstract
A new general purpose Monte Carlo event generator with self-adapting grid consisting of simplices is described. In the process of initialization, the simplex-shaped cells divide into daughter subcells in such a way that: (a) cell density is biggest in areas where integrand is peaked, (b) cells elongate themselves along hyperspaces where integrand is enhanced/singular. The grid is anisotropic, i.e. memory of the axes directions of the primary reference frame is lost. In particular, the algorit...

Title of program: Foam, version 1.01
Catalogue Id: ADMC_v1_0.tar

Nature of problem
Monte Carlo (MC) simulation or generation of unweighted (weight equal one) events, is a standard exercise in the particle physics, and in many other areas of the research. It is often necessary to generate MC events according to a probability density with strong peaks (singularities) spanned along complicated hyperspaces of not a very well known shape. It is highly desirable to have in the program library a general-purpose numerical tool (program) with a MC generation algorithm featuring built-i ...

Versions of this program held in the CPC repository in Mendeley Data
admc_v1_0.tar; Foam, version 1.01; 10.1016/S0010-4655(00)00047-3
admc_v2_0.tar; FoamF77, version 2.05; 10.1016/S0010-4655(02)00755-5
admc_v3_0.tar; Foam++, version 2.05; 10.1016/S0010-4655(02)00755-5

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2019)

摘要
本报告详细阐述了新型通用蒙特卡洛事件生成器，该生成器具备自适应网格，网格由单纯形构成。在初始化过程中，单纯形细胞以如下方式分割成子细胞：
(a) 在积分函数峰值区域，细胞密度最大；
(b) 细胞沿积分函数增强或奇异的超空间方向延长。该网格为各向异性，即失去了主参考系轴方向的记忆。特别是，该算法...

程序名称：Foam，版本1.01
目录编号：ADMC_v1_0.tar

问题性质
蒙特卡洛（MC）模拟或生成无权重（权重等于一）的事件，是粒子物理学以及其他众多研究领域中的标准实践。通常需要根据具有强烈峰值（奇点）的概率密度生成MC事件，这些峰值分布在复杂超空间中，其形状并非众所周知。在程序库中拥有一种具备内置蒙特卡洛生成算法的通用数值工具（程序）是非常必要的...

本程序版本存放在Mendeley数据中的CPC程序库中
admc_v1_0.tar; Foam，版本1.01; 10.1016/S0010-4655(00)00047-3
admc_v2_0.tar; FoamF77，版本2.05; 10.1016/S0010-4655(02)00755-5
admc_v3_0.tar; Foam++，版本2.05; 10.1016/S0010-4655(02)00755-5

该程序已从贝尔法斯特女王大学（1969-2019）所持有的CPC程序库中导入。