薄膜の応力・ひずみに関する分子動力学的研究 : 応力・ひずみの定義領域の大きさと場所

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rights: 本文データは社団法人日本機械学会の許諾に基づきCiNiiから複製したものであるThe stress and strain in very thin film under uniaxial tension are analyzed through the motion of particles constructing the film by means of two-dimensional molecular dynamics simulation. The Lennard-Jones-type potential is assumed as a two-body potential. The tensile load is applied by elongating the longitudinal length of the fundamental cell. The numerical results show that the stress decreases considerably with the decrease of the size of the region, defining it when the size is small. It is found that more than 130 particles are necessary for the stress concept used in continuum mechanics.
一般社団法人日本機械学会の論文
1995-02-25