# 15.21. Other Undocumented Material Models

For a listing of other material models that exist in Sierra/SM see Table 15.21.1. Support for use of these models is limited.

Table 15.21.1 Other Material Models Available (Undocumented)
Name | Author
--- | ---
`CDM_EP` | Shawn English
`UNIVERSAL_CURING` | Kevin Long
`JOHNSON COOK DAMAGE` | Bill Scherzinger
`FROST_ASHBY_CREEP` | Bill Scherzinger
`ELASTIC_PLASTIC_FAIL` | Bill Scherzinger
`ELASTIC_ORTHOTROPIC_FAIL` | Shawn English
`HAIL_ICE` | Bill Scherzinger
`ELASTO_VISCOPLASTIC` | Arthur Brown
`ELASTIC_UQ_SHELL` | Mark Merewether
`MLEP_WILKINS_FAIL` | Mike Neilsen
`UCP_FAIL` | Mike Neilsen
`SOLDER` |
`SOLDER_DAMAGE` |
`COULOMBMIXMODE` | Shawn English
`EVG` | Jake Ostien
`SPECTACULAR` | Kevin Long
`HILL_PLASTICITY_DAMAGE` | Jake Ostien
`CRYSTAL_PLASTIC` | David Littlewood
`CRYSTAL_PLASTICITY` |
`LOCAL_CRYSTAL_PLASTICITY` |