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Elastomer Library

The Elastomer library contains the following subroutines.  Each of these models provides unique and powerful predictions for different classes of elastomers, rubbers, and biopolymers. Each material model is available for both implicit and explicit FE simulations.


 Material Model Name

Description

 linear-elastic

Linear Elastic (LE) 

Linear elastic model that also incorporates the PolyUMod failure models.

 neo-hookean

Neo-Hookean (NH) 

Neo-Hookean hyperelastic model that supports the PolyUMod failure models.

 eight-chain

Eight-Chain (EC) 

Arruda-Boyce eight-chain hyperelastic model that supports the PolyUMod failure models [J. Mech. Phys. Solids, 41, 389-412, 1993]. Uses a more accurate implementation of the inverse Langevin function than most other commercial implementations.

 anisotropic-eight-chain

Anisotropic Eight-Chain (AEC) 

Anisotropic version of the eight-chain model [Bischoff et al, Trans. ASME, 69, 570-579, 2002].
  Supports different failure models

 bergstrom-boyce

Bergstrom-Boyce (BB) 

 

Advanced material model for elastomers, rubbers, and soft biological tissues [Mech. Materials, 33, 523-530, 2001].

Adds functionality to the built-in option in ABAQUS/Implicit and ANSYS:
  Temperature effects
  Available for ABAQUS/Explicit
  Supports different failure models

 bb-mullins

BB Mullins (BBM)

 

 

 

Same as standard BB model, but also includes the Ogden-Roxburgh Mullins model [Proceedings of the Royal Society of London, Series A, 455, 2861-2877, 1999].

Adds functionality to the built-in *Hysteresis option in ABAQUS/Implicit:
  Temperature effects
  Mullins effect
  Available for ABAQUS/Explicit
  Supports different failure models

 anisotropic-bb-mullins

Anisotropic BB Mullins (ABBM) 

Same as the BBM model but is using the Bischoff anisotropic eight-chain model.
  Temperature effects
  Anisotropic
  Mullins effect
  Available for explicit simulations
  Supports different failure models

 dynamic-bergstrom-boyce

Dynamic Bergstrom-Boyce (DBB) 

Same as the BBM model but contains additional features to enable accurate predictions of both small-strain dynamic behavior and large-strain behavior using one set of material parameters.
  Temperature effects
  Small strain dynamic behavior
  Mullins effect
  Supports different failure models

 parallel-network

Parallel Network (PNM) 

Advanced model that contains an arbitrary number of elastic and flow elements connected in parallel.

Suitable for large deformation, thermomechanical predictions of many different classes of polymers.
  Supports different failure models


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