Composite Material

In Radioss the following material laws are used to describe composite material:
  • LAW12 and LAW14
  • LAW15 (recommended to use LAW25+/FAIL/CHANG)
  • LAW25
  • LAW19 (For Fabric and with only /PROP/TYPE9)
  • LAW58 (For Fabric only with /PROP/TYPE16)
Table 1. Composite Material, Property, Failure Model, and Element Type Compatibility
Shell Element Brick Element Failure Model
LAW12 /PROP/TYPE6 (SOL_ORTH)

/PROP/TYPE21 (TSH_ORTH)

/PROP/TYPE22 (TSH_COMP)

/FAIL/HASHIN

/FAIL/PUCK

/FAIL/LAD_DAMA

LAW14 /PROP/TYPE6 (SOL_ORTH)

/PROP/TYPE21 (TSH_ORTH)

/PROP/TYPE22 TSH_COMP)

/FAIL/HASHIN

/FAIL/PUCK

/FAIL/LAD_DAMA

LAW15 /PROP/TYPE9 (SH_ORTH)

/PROP/TYPE10 (SH_ORTH)

/PROP/TYPE11 (SH_SANDW)

/PROP/TYPE17 (STACK)

/PROP/TYPE19 (PLY)

/FAIL/CHANG
LAW25 /PROP/TYPE10 (SH_ORTH)

/PROP/TYPE11 (SH_SANDW)

/PROP/TYPE17 (STACK)

/PROP/TYPE19 (PLY)

/PROP/TYPE51

/PROP/PCOMPP

/PROP/TYPE6 (SOL_ORTH)

/PROP/TYPE14 (SOLID)

/PROP/TYPE20 (TSHELL)

/PROP/TYPE21 (TSH_ORTH)

/PROP/TYPE22 TSH_COMP)

/FAIL/CHANG

/FAIL/HASHIN

/FAIL/PUCK

/FAIL/LAD_DAMA (for solid only)

LAW19 /PROP/TYPE9 (SH_ORTH)
LAW58 /PROP/TYPE16 (SH_FABR)