Phase field modeling with large driving forces
作者机构：Department of Materials Science and EngineeringNorthwestern UniversityEvanstonIL 60208USA Department of Engineering Sciences and Applied MathematicsNorthwestern UniversityEvanstonIL 60208USA
出 版 物：《npj Computational Materials》 (计算材料学（英文）)
年 卷 期：2023年第9卷第1期
页 面：623-631页
核心收录：
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
基 金：This work is sponsored by the Office of Naval Research(ONR)under grant N00014-20-1-2327.Additional support is provided in part through the computational resources and staff contributions provided for the Quest high performance computing facility at Northwestern University which is jointly supported by the Office of the Provost the Office for Research and Northwestern University Information Technology
主 题：forces interpolation apply
摘 要：There is growing interest in applying phase field methods as quantitative tools in materials discovery and ***,large driving forces,common in many materials systems,lead to unstable phase field profiles,thus requiring fine spatial and temporal *** demands more computational resources,limits the ability to simulate systems with a suitable size,and deteriorates the capability of quantitative ***,we develop a strategy to map the driving force to a constant perpendicular to the *** with the third-order interpolation function,we find a stable phase field profile that is independent of the magnitude of the driving *** power of this approach is illustrated using three *** demonstrate that by using the driving force extension method,it is possible to employ a grid size orders of magnitude larger than traditional *** approach is general and should apply to many other phase field models.
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