Elastic effects in disordered nematic networks

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Elastic effects in a model of disordered nematic elastomers are numerically investigated in two dimensions. Networks crosslinked in the isotropic phase exhibit an unusual soft mechanical response against stretching. It arises from a gradual alignment of orientationally correlated regions that are elongated along the director. A sharp crossover to a macroscopically aligned state is obtained on further stretching. The effect of random internal stress is also discussed.

Original languageEnglish
Pages (from-to)R13-R16
JournalPhysical Review E
Issue number1
Publication statusPublished - 1999


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