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Title of Journal: Sci China Phys Mech Astron

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Abbravation: Science China Physics, Mechanics and Astronomy

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SP Science China Press

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DOI

10.1002/chin.200732219

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1869-1927

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Atomcontinuum coupled model for thermomechanical

Authors: MeiZhen Xiang JunZhi Cui BoWen Li Xia Tian
Publish Date: 2012/05/22
Volume: 55, Issue: 6, Pages: 1125-1137
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Abstract

In this paper an atomcontinuum coupled model for thermomechanical behaviors in micronano scales is presented A representative volume element consisting of atom clusters is used to represent the microstructure of materials The atom motions in the RVE are divided into two phases structural deformations and thermal vibrations For the structural deformations nonlinear and nonlocal deformation at atomic scales is considered The atomisticcontinuum equations are constructed based on momentum and energy conservation law The nonlocality and nonlinearity of atomistic interactions are built into the thermomechanical constitutive equations The coupled atomisticcontinuum thermalmechanical simulation process is also suggested in this work

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