关于用于聚变增殖毯多物理场应用的可扩展液态金属多物理场求解器

IF 2.1 2区物理与天体物理 Q2 PHYSICS, FLUIDS & PLASMAS

Plasma Physics and Controlled Fusion Pub Date : 2023-12-20 DOI:10.1088/1361-6587/ad100a

R W Eardley-Brunt, A J Dubas, A Davis

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引用次数: 0

摘要

虽然最近在开发计算液态金属磁流体动力学（MHD）求解器方面进行了大量研究工作，但这些工作通常仅限于封闭源代码和商业代码。这项工作旨在研究一些开源替代方案。研究发现，两个基于 OpenFOAM 的 MHD 求解器 mhdFoam 和 epotFoam 显示出典型的流体动力学代码的强缩放曲线，而随着分辨率的提高，每个时间步迭代次数的增加阻碍了弱缩放。除了 mhdFoam 在哈特曼数为 Ha=1000 的情况下失效外，其他两种软件都能准确解决哈特曼数从 20 到 1000 的 Shercliff 和 Hunt 流动问题。作为概念验证，在 Proteus MOOSE 应用程序中使用两种方法（内核方法和材料方法）实现了基本的无诱导 MHD 求解器。未来的工作将以这些研究为基础，探索更先进的 OpenFOAM MHD 求解器，并改进 Proteus MHD 求解器。

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On scalable liquid-metal MHD solvers for fusion breeder blanket multiphysics applications

While substantial research effort has been made recently in the development of computational liquid-metal magnetohydrodynamics (MHD) solvers, this has typically been confined to closed-source and commercial codes. This work aimed to investigate some open-source alternatives. Two OpenFOAM-based MHD solvers, mhdFoam and epotFoam, were found to show strong scaling profiles typical of fluid dynamics codes, while weak scaling was impeded by an increase in iterations per timestep with increasing resolution. Both were found to accurately solve the Shercliff and Hunt flow problems for Hartmann numbers from 20 to 1000, except for mhdFoam which failed in the Hunt flow

Ha=1000

case. A basic inductionless MHD solver was implemented in the Proteus MOOSE application as a proof of concept, using two methods referred to as the kernel method and material method. Future work will aim to build on these studies, exploring more advanced OpenFOAM MHD solvers as well as improving the Proteus MHD solver.

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来源期刊

Plasma Physics and Controlled Fusion 物理-物理：核物理

CiteScore

4.50

自引率

13.60%

发文量

224

审稿时长

4.5 months

期刊介绍： Plasma Physics and Controlled Fusion covers all aspects of the physics of hot, highly ionised plasmas. This includes results of current experimental and theoretical research on all aspects of the physics of high-temperature plasmas and of controlled nuclear fusion, including the basic phenomena in highly-ionised gases in the laboratory, in the ionosphere and in space, in magnetic-confinement and inertial-confinement fusion as well as related diagnostic methods. Papers with a technological emphasis, for example in such topics as plasma control, fusion technology and diagnostics, are welcomed when the plasma physics is an integral part of the paper or when the technology is unique to plasma applications or new to the field of plasma physics. Papers on dusty plasma physics are welcome when there is a clear relevance to fusion.