1008 均質化法による圧電体分極処理の数値シミュレーション(OS-10B マクロ・メゾ・マイクロ・ナノスケールを繋げるマルチスケール計算力学,OS-10 マクロ・メゾ・マイクロ・ナノスケールを繋げるマルチスケール計算力学)

概要

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Macroscopic behavior and microscopic behavior of a piezoelectric substance strongly depend on the crystal form that composes the piezoelectric materials. Especially, it is difficult in the polycrystalline piezoelectric substance to derive the characteristic of the object structure from the material non-homogeneous. In this research, by means of mathematical homogenization theory macroscopic models in consideration of spontaneous polarization on microscopic crystal structure are refined, and by being derived from macroscopic behavior that spontaneous polarization depend on microscopic structural transformation, macroscopic and microscopic behaviors of polycrystalline piezoelectric substance are coupled.
2005-11-17