Floppy modes and non-affine deformations in random fiber networks

Details Floppy modes and non-affine deformations in random fiber networks Floppy modes and non-affine deformations in random fiber networks

2006-03-26

arxiv.org/abs/cond-mat/0603697v3

Phys. Rev. Lett. 97, 105501 (2006)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures, new figures

Scientific paper

10.1103/PhysRevLett.97.105501

We study the elasticity of random fiber networks. Starting from a microscopic picture of the non-affine deformation fields we calculate the macroscopic elastic moduli both in a scaling theory and a self-consistent effective medium theory. By relating non-affinity to the low-energy excitations of the network (``floppy-modes'') we achieve a detailed characterization of the non-affine deformations present in fibrous networks.

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