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physics.comp-ph2021
Strong phase correlation between diffusons governs heat conduction in amorphous silicon
Zhongwei Zhang, Yangyu Guo, Marc Bescond +3
Understanding the thermal vibrations and thermal transport in amorphous materials is an important but long-standing issue in several theoretical and practical fields. Using direct…
physics.comp-ph2020★ 4 cited
Lattice Boltzmann scheme for hydrodynamic equation of phonon transport
Yangyu Guo, Moran Wang
In this work, a lattice Boltzmann scheme is developed for numerical solution of the phonon Boltzmann equation under Callaway's dual relaxation model in the hydrodynamic limit. Thro…
physics.comp-ph2019
Direct simulation of second sound in graphene by solving the phonon Boltzmann equation via a multiscale scheme
Xiao-Ping Luo, Yang-Yu Guo, Mo-Ran Wang +1
The direct simulation of the dynamics of second sound in graphitic materials remains a challenging task due to lack of methodology for solving the phonon Boltzmann equation in such…