Enabling simulations of grains within a full rotation range in amplitude expansion of the phase-field crystal model.
basic_science · Level V
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- Record sourced from PubMed, PMID 32422745.
- Also identified by DOI 10.1103/PhysRevE.101.043309.
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Abstract
This paper introduces improvements to the amplitude expansion of the phase-field crystal model 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.