/post1
file,,rstp
set,list
/cycexpand,,on
set,1,5! Use the 5th mode, Harmonic Index = 0 to see solution
esel,s,type,,2/com, ************************************************************
/com, * CASE 1 *
/com, * Using CURRENT as contact status key on PERTURB command *
/com, ************************************************************
presol,cont,stat! Expected contact status: sliding (same as Base static analysis)
esel,all
/cycexpand,,off
/delete,test1,rstp
finish
/clear,nostart
/filname,test1
!********** CASE 2 **********
/solu
antype,static,restart,1,10,perturb! Restart from loadstep 1, substep 10 (uy=2)
perturb,modal,,sticking,allkeep! Modify the contact from sliding to sticking
solve,elform
modopt,lanb,6
mxpand,6,,,yes
solve
finish
/post1
file,,rstp
set,list
/cycexpand,,on
set,1,5
esel,s,type,,2
/com, ************************************************************
/com, * CASE 2 *
/com, * Use sticking as contact status key on PERTURB command *
/com, ************************************************************
presol,cont,stat! Expected contact status: sticking
esel,all
/cycexpand,,off
/delete,test1,rstp
finish
/clear,nostart
/filname,test1
!********** CASE 3 **********
/solu
antype,static,restart,1,10,perturb! Restart from load step 1, substep 10 (uy=2)
cnkmod,2,12,3! Change from Keyopt(12)=2 to Keyopt(12)=3 (bonded)
perturb,modal,,current,allkeep! Retain the contact status same as in Base static analysis
solve,elform
modopt,lanb,6
mxpand,6,,,yes
solve
finish/post1
file,,rstp
set,list
/cycexpand,,on
set,1,5
esel,s,type,,2
/com, ************************************************************
/com, * CASE 3 *
/com, * Use CNKMOD command to modify individual contact pairs *Release 15.0 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential informationLinear Perturbation Analysis