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Enabling simulations of grains within a full rotation range in amplitude expansion of the phase-field crystal model
Physical Review E ( IF 2.4 ) Pub Date : 
Matjaž Berčič and Goran Kugler

This paper introduces improvements to the amplitude expansion of the phase field crystal model (APFC) that enable the simulation of grains within a full range of orientations. The unphysical grain boundary between grains, rotated by a crystal’s symmetry rotation, is removed using a combination of the auxiliary rotation field described in our previous work and an algorithm that correctly matches the complex amplitudes according to the differences in local rotation.

中文翻译:

在相场晶体模型的振幅扩展中实现全程旋转范围内晶粒的模拟

本文介绍了对相位场晶体模型(APFC)的幅度扩展的改进,该模型使得能够在整个取向范围内模拟晶粒。利用我们先前工作中描述的辅助旋转场和根据局部旋转差异正确匹配复振幅的算法的组合,可以消除因晶体对称旋转而旋转的晶粒之间非物理晶粒边界。
更新日期:2020-03-27
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