The same material properties are used for each part. The bilinear isotropic hardening model is employed to include the plasticity effect.

/com,*********** Send Materials **************************
!************************* Model Summary *****************
!SYS\Plate1,	Structural Steel,	matid,	1
!SYS\Plate2,	Structural Steel,	matid,	2
!SYS\Washer1,	Structural Steel,	matid,	3
!SYS\Washer2,	Structural Steel,	matid,	4
!SYS\Nut,	       Structural Steel,	matid,	5
!SYS\Boltth,	Structural Steel,	matid,	6
!SYS\Bolts,	Structural Steel,	matid,	7
!************************* End Model Summary**************
Temperature = 'TEMP' ! Temperature
MP,DENS,1,7.85e-09,	! tonne mm^-3
MP,ALPX,1,1.2e-05,	! C^-1
MP,C,1,434000000,	! mm^2 s^-2 C^-1
MP,KXX,1,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,1,0.00017,	! ohm mm
MP,EX,1,200000,	! tonne s^-2 mm^-1
MP,NUXY,1,0.3,
MP,MURX,1,10000,

TB,PLAS,1,1,,BISO
TBDATA,1,250,105000
MP,UVID,1,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,1,42499c7b-9d65-4061-8b87-653fc200a4ba

!Temperature = 'TEMP' ! Temperature
MP,DENS,2,7.85e-09,	! tonne mm^-3
MP,ALPX,2,1.2e-05,	! C^-1
MP,C,2,434000000,	! mm^2 s^-2 C^-1
MP,KXX,2,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,2,0.00017,	! ohm mm
MP,EX,2,200000,	! tonne s^-2 mm^-1
MP,NUXY,2,0.3,
MP,MURX,2,10000,

TB,PLAS,2,1,,BISO
TBDATA,1,250,105000
MP,UVID,2,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,2,42499c7b-9d65-4061-8b87-653fc200a4ba

Temperature = 'TEMP' ! Temperature
MP,DENS,3,7.85e-09,	! tonne mm^-3
MP,ALPX,3,1.2e-05,	! C^-1
MP,C,3,434000000,	! mm^2 s^-2 C^-1
MP,KXX,3,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,3,0.00017,	! ohm mm
MP,EX,3,200000,	! tonne s^-2 mm^-1
MP,NUXY,3,0.3,
MP,MURX,3,10000,

TB,PLAS,3,1,,BISO
TBDATA,1,250,105000
MP,UVID,3,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,3,42499c7b-9d65-4061-8b87-653fc200a4ba

Temperature = 'TEMP' ! Temperature
MP,DENS,4,7.85e-09,	! tonne mm^-3
MP,ALPX,4,1.2e-05,	! C^-1
MP,C,4,434000000,	! mm^2 s^-2 C^-1
MP,KXX,4,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,4,0.00017,	! ohm mm
MP,EX,4,200000,	! tonne s^-2 mm^-1
MP,NUXY,4,0.3,
MP,MURX,4,10000,

TB,PLAS,4,1,,BISO
TBDATA,1,250,105000
MP,UVID,4,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,4,42499c7b-9d65-4061-8b87-653fc200a4ba

Temperature = 'TEMP' ! Temperature
MP,DENS,5,7.85e-09,	! tonne mm^-3
MP,ALPX,5,1.2e-05,	! C^-1
MP,C,5,434000000,	! mm^2 s^-2 C^-1
MP,KXX,5,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,5,0.00017,	! ohm mm
MP,EX,5,200000,	! tonne s^-2 mm^-1
MP,NUXY,5,0.3,
MP,MURX,5,10000,

TB,PLAS,5,1,,BISO
TBDATA,1,250,105000
MP,UVID,5,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,5,42499c7b-9d65-4061-8b87-653fc200a4ba

Temperature = 'TEMP' ! Temperature
MP,DENS,6,7.85e-09,	! tonne mm^-3
MP,ALPX,6,1.2e-05,	! C^-1
MP,C,6,434000000,	! mm^2 s^-2 C^-1
MP,KXX,6,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,6,0.00017,	! ohm mm
MP,EX,6,200000,	! tonne s^-2 mm^-1
MP,NUXY,6,0.3,
MP,MURX,6,10000,

TB,PLAS,6,1,,BISO
TBDATA,1,250,105000
MP,UVID,6,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,6,42499c7b-9d65-4061-8b87-653fc200a4ba

Temperature = 'TEMP' ! Temperature
MP,DENS,7,7.85e-09,	! tonne mm^-3
MP,ALPX,7,1.2e-05,	! C^-1
MP,C,7,434000000,	! mm^2 s^-2 C^-1
MP,KXX,7,60.5,	! tonne mm s^-3 C^-1
MP,RSVX,7,0.00017,	! ohm mm
MP,EX,7,200000,	! tonne s^-2 mm^-1
MP,NUXY,7,0.3,
MP,MURX,7,10000,

TB,PLAS,7,1,,BISO
TBDATA,1,250,105000
MP,UVID,7,1032c5b3-d30d-4a29-8395-fccd9ab8116c
MP,UMID,7,42499c7b-9d65-4061-8b87-653fc200a4ba

A Wear coefficient of 1e-7 and friction coefficient 0.2 is used for the contact interface specification.