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We simulate structure in the vicinity of different size nanovoids using a newvariant of the Molecular Statics, wherein atomic structure in the vicinity ofnanovoids and the parameters that define the displacements of atoms placed inelastic continuum around main computation cell are determined in aself-consistent manner. Then we model structure of the surface of differentcrystallographic planes. Next, the kinetic equations for shifting rate of voidsurface elements located normal to the void surface are obtained. Theseequations take into account the dependence of the vacancy flux on strain andthe surface energies of the crystallographic planes. In the next section, weapply the obtained expressions and simulation results to calculate the shiftingrates of void surface elements for different crystallographic directions. Ratesof displacements in different crystallographic directions for bcc and fccmetals differ significantly, and for the <100> direction they are greatly lowerthan for other directions.

Multiscale simulation of atomic structure in the vicinity of nanovoids  and evaluation of the shifting rates of the void surface elements in bcc iron  and aluminum