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Benchmarking multiphysics software for mantle convection
Computers & Geosciences ( IF 4.4 ) Pub Date : 2021-04-24 , DOI: 10.1016/j.cageo.2021.104797
Sean J. Trim , Samuel L. Butler , Raymond J. Spiteri

Numerical simulations are a highly valuable tool for improving our understanding of mantle dynamics. COMSOL Multiphysics® is a commercial software suite designed to numerically model experiments featuring multiple branches of physics. This modeling approach applies to mantle convection, which can be viewed as a combination of fluid dynamics and thermodynamics. COMSOL® is of interest to the geoscience community due to its ease of use compared to other available codes, and it has been used in previous mantle convection studies. However, COMSOL® has not been extensively benchmarked for mantle convection. In this study, we confirm the accuracy of COMSOL® against several established benchmarks pertaining to a variety mantle convection features and geometries. Overall, we find reasonable agreement between the results from COMSOL® and reported benchmark data. This study may also serve the geoscience community as a guide for using COMSOL® to model mantle convection.



中文翻译:

对地幔对流的多物理场软件基准测试

数值模拟是提高我们对地幔动力学的理解的极有价值的工具。COMSOLMultiphysics®是一个商业软件套件,旨在对具有多个物理分支的实验进行数值建模。这种建模方法适用于地幔对流,可以将其视为流体动力学和热力学的组合。与其他可用代码相比,COMSOL®的易用性引起了地球科学界的兴趣,并且已在以前的地幔对流研究中使用过。但是,COMSOL®尚未在地幔对流方面进行广泛的基准测试。在这项研究中,我们根据与各种套流对流特征和几何形状相关的多个既定基准,确认了COMSOL®的准确性。全面的,我们发现COMSOL®的结果与报告的基准数据之间存在合理的一致性。该研究还可以为地球科学界提供使用COMSOL®建模地幔对流的指南。

更新日期:2021-05-12
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