Article
Recent progress in the concurrent atomistic-continuum method and its application in phonon transport
MRS Communications
(2017)
Abstract
This work presents recent the progress in the development of the Concurrent Atomistic-Continuum (CAC) method for coarse-grained space- and time-resolved atomistic simulations of phonon transport. Application examples, including heat pulses propagating across grain boundaries and phase interfaces, as well as the interactions between phonons and moving dislocations, are provided to demonstrate the capabilities of CAC. The simulation results provide visual evidence and reveal the underlying physics of a variety of phenomena including: phonon focusing, wave interference, dislocation drag, interfacial Kapitza resistance caused by quasi-ballistic phonon transport, etc. A new method to quantify fluxes in transient transport processes is also introduced.Â
Disciplines
Publication Date
December 1, 2017
DOI
10.1557/mrc.2017.116
Citation Information
Xiang Chen, Weixuan Li, Adrian Diaz, Yang Li, et al.. "Recent progress in the concurrent atomistic-continuum method and its application in phonon transport" MRS Communications Vol. 7 Iss. 4 (2017) p. 785 - 797 Available at: http://works.bepress.com/xiang-chen/5/