Description of internal variables
==================================

The following table shows the correspondence between the number of internal variables accessible by code_aster and their description:

**Damage threshold constraints** **(1 to 7)**


*
    *
        * Tensile damage threshold tensor (6 components):

BR_SUT11 BR_SUT22 BR_SUT33 BR_SUT12 BR_SUT13 BR_SUT23


*
    *
        * Compression damage threshold (1 scalar)

BR_SIGDP

**Creep deformations** (8 to 14)


*
    *
        * Deviatory tensor (6 components)

BR_EFU11 BR_EFU22 BR_EFU33 BR_EFU12 BR_EFU13 BR_EFU23


*
    *
        * Spherical part (1 scalar)

BR_EFUSP

**Internal creep deformations** (15 to 21)


*
    *
        * Deviatory tensor (6 components)

BR_EP111 BR_EP122 BR_EP133 BR_EP112 BR_EP113 BR_EP123


*
    *
        * Spherical part (1 scalar)

BR_EP1SP

**Chemical advance** **(22)**

BR_AVCHI

**Viscoplastic damage to RAG** (23 to 25)

BR_DVRAG1 BR_DVRAG2 BR_DVRAG3

**Viscoplastic deformations** s **due** s **to RAG** (26 to 31)

BR_EPV11 BR_EPV22 BR_EPV33 BR_EPV12 BR_EPV13 BR_EPV23

**Gel pressure** (32)

BR_PRGEL

**Study done** (33: phenomenon taken into account)

BR_ETUDE