Permas Conversion

Permas to OptiStruct Conversion Mapping

Elements

Table 1. Supported Element Mappings
Permas OptiStruct
BECOC CBEAM
MASS3 CONM2
MASS6 CONM2
TRIA3 CTRIA3
QUAD4 CQUAD4
SPRING1 CBUSH
SPRING3 CBUSH
SPRING6 CBUSH
DAMP1 CBUSH
DAMP3 CBUSH
DAMP6 CBUSH
TET4 CTETRA
TET10 CTETRA
PENTA6 CPENTA
HEXE8 CHEXA
HEXE20 CHEXA
$MPC RIGID RBE2
$MPC WLSCON, DOFTYPE=DISP RBE3
$MPC ISURFACE (NODE) TIE
$CONTACT NODE NODE CONTACT
$NLLOAD Non-linear Quasi static analysis
$CONTVAL(Pretension) CGAP/PGAP property

Properties

Table 2. Supported Property Mappings
Permas OptiStruct
BEAM PBEAM
DAMPER PBUSH
SHELL PSHELL
SOLID PSOLID
SPRING PBUSH

Materials

Table 3. Supported Material Mappings
Permas OptiStruct
MATERIAL MAT1
+ $CONDUCTIVITY + MAT4
+ $HEATCAP + MAT4
+ $ELASTIC, INPUT=TABLE + MATT1
+ $THERMEXP, INPUT=TABLE + MATT1
+ $HARDENING + MATS1
+ $PLASTIC + MATS1

Permas to Nastran Conversion Mapping

Set

Table 4. Supported Set Mappings
Permas Nastran
$ESET SET
$NSET SET