Permas Conversion

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

Set

Table 4. Supported Set Mappings

Permas	Nastran
$ESET	SET
$NSET	SET