FENE

An example of multi-bead FENE model

FENE stands for the finitely extensible nonlinear elastic model of a long-chained polymer. It simplifies the chain of monomers by connecting a sequence of beads with nonlinear springs. The spring force law is governed by inverse Langevin function or approximated by the Warner's relationship

Fi=HRi1−(Ri/Lmax)2

Where Ri=|Ri| and H is the spring constant.

Total stretching force on ith bead can be written as: Fi−Fi−1.

## See also

* FENE-P

## References

* Dynamics of dissolved polymer chains in isotropic turbulence

## External links

* QPolymer: an open source (for Mac OS X) FENE model Brownian dynamics simulation software

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