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Alternative Explanation of Stiffening in Cross-Linked Semiflexible Networks
2005
Physical Review Letters
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Strain stiffening of protein networks is explored by means of a finite strain analysis of a two-dimensional network model of cross-linked semiflexible filaments. The results show that stiffening is caused by non-affine network rearrangements that govern a transition from a bending dominated response at small strains to a stretching dominated response at large strains. Thermally-induced filament undulations only have a minor effect; they merely postpone the transition.
doi:10.1103/physrevlett.95.178102
pmid:16383874
fatcat:q64ncse2graqbbwwcggzaqcheq