Relaxation of multiwell energies in linearized elasticity and applications to nematic elastomers

研究成果: ジャーナルへの寄稿学術誌査読

12 被引用数 (Scopus)

抄録

The relaxation of a free-energy functional which describes the order-strain interaction in nematic elastomers is obtained explicitly. We work in the regime of small strains (linearized kinematics). Adopting the uniaxial order tensor theory (Frank model) to describe the liquid crystal order, we prove that the minima of the relaxed functional exhibit an effective biaxial nematic texture, as in the de Gennes order tensor model. In particular, this implies that, at a sufficiently macroscopic scale, the response of the material is soft even if the order of the system is assumed to be fixed at the microscopic scale. The relaxed energy density satisfies a solenoidal quasiconvexification formula.

本文言語英語
ページ(範囲)903-923
ページ数21
ジャーナルArchive for Rational Mechanics and Analysis
197
3
DOI
出版ステータス出版済み - 1月 1 2010
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 分析
  • 数学(その他)
  • 機械工学

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