XANSYS Message: 4432 [Go back to message list]
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Subject: Re: Surface crack in 3D
Author: Stefano Lucarelli
Date: 1999-09-03 18:08:00Hi Ozer.
I agree with Stan about using symmetry.
However, if you have not symmetrical conditions for load and geometry you
can try the following.
Regards,
Stefano
Stefano Lucarelli
Mannesmann VDO AG
Entwicklung Informationssysteme NFZ
IC43LE/S
Heinrich-Hertz-Stra?e 45
D-78052 Villingen-Schwenningen
Tel.: 0049-(0)7721-67-2214
Fax: 0049-(0)7721-67-3271
email: stefano.lucarelli@d...
/PREP7
! block creation (half of the specimen)
BLOCK,-10,10,-5,5,-2,2,
! define WP by KP
KWPLAN,-1,6,4,7
! move KP at center of crack
KWPAVE,4,6
! create the circle for the crack
PCIRC,0,1,0,360,
! create half side of the crack subtracting lines to area
FLST,3,2,4,ORDE,2
FITEM,3,13
FITEM,3,-14
ASBL, 6,P51X
! delete the circle
ADELE, 7, , ,1
! local CS at WP origin
CSWPLA,11,0,1,1,
! Reflect the volume
VSYMM,Z,1
! Rotates the WP in order to lie perpendicular to the crack surfaces
wprot,90,90
! Cut one of the diametral edge of the crack:
! this is the trick for having the crack at the end
LSBW, 17
! merge the two volumes
! since only one of the edges of the crack was cutted
! the kp created at center of the crack can't be merged
! and therefore crack areas are preserved
nummrg,kp