The fission reactor core models are usually constructed with abundant nested repeated-
structure in several levels. Accordingly, hierarchical descriptions have been adopted in …

In this paper, we describe an array-based hierarchical mesh refinement capability through
uniform refinement of unstructured meshes for efficient solution of PDE's using finite element …

In this paper, we describe an array-based hierarchical mesh generation capability through
uniform refinement of unstructured meshes for efficient solution of PDE's using finite element …

The evolution of efficient scalable solvers and multiphysics codes in the past decade has
considerably increased the requirements on computational needs for high-fidelity …

In this report, we present details on SIGMA toolkit along with its component structure,
capabilities, and feature additions in FY15, release cycles, and continuous integration …

摘要蒙特卡罗程序已经广泛应用在裂变反应堆设计和验证过程中, 快速获得高效的计算模型可以
有效缩短反应堆的设计周期. 本研究提出并实现了一种裂变堆芯快速蒙特卡罗建模的方法 …

Complex, coupled physical systems that occur in various domain sciences present several
serious challenges in implementing an efficient and seamless simulation workflow. These …

Different physics such as neutron transport, fluid-flow, thermal expansion and heat transfer
must be studied to fully understand the performance and safety aspects of nuclear reactors …

Computational solvers simulating physical phenomenon on complex domain geometries
need well resolved, high-quality meshes to tackle the discrete problem efficiently. Mesh …

This report gives documentation for using MeshKit's Reactor Geometry (and mesh)
Generator (RGG) GUI and also briefly documents other algorithms and tools available in …