*HEADING
PGSF4SRMF- SHELL-TO-SOLID GLOBAL MODEL [S4]
*RESTART,WRITE
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
1,
801,0.,3.
15,10.,
815,10.,3.
*NGEN,NSET=BOT
1,15,1
*NGEN,NSET=TOP
801,815,1
*NFILL,NSET=NALL
BOT,TOP,8,100
*NSET,NSET=NL,GENERATE
1,801,100
*NSET,NSET=NR,GENERATE
15,815,100
*ELEMENT,TYPE=S4,ELSET=EALL
1,1,2,102,101
*ELGEN,ELSET=EALL
1,14,1,1,8,100,14
*ELSET,ELSET=E1,GENERATE
1,14
*SHELL SECTION,ELSET=EALL,MATERIAL=MAT1
0.1, 
*MATERIAL,NAME=MAT1
*ELASTIC
1.E6,0.3
*DENSITY
1.0, 
*BOUNDARY
NL,1,6
**
** STEP 1 - GENERAL STATIC STEP
**
*STEP
*STATIC
0.25,1.
*DLOAD
EALL,P,1.E-2
*NODE FILE,FREQ=999
U,
*NODE PRINT,FREQ=999
U,
*EL PRINT,FREQ=0
*EL FILE,FREQ=0
*Output, Field, Freq=999
*Node Output
U,
*END STEP
**
** STEP 2 - GENERAL STATIC STEP
**          DISPLACEMENT BC'S OF STEP 1 DOUBLED
**
*STEP
*STATIC
0.1,1.,0.05,1.
*DLOAD
EALL,P,2.E-2
*NODE FILE,FREQ=2
U,
*Output, Field, Freq=2
*Node Output
U,
*END STEP
**
** STEP 3 - PERTURBATION STEP
**          APPLYING SAME BC'S AS STEP 1 
**
*STEP,PERTURBATION
*STATIC
*DLOAD
EALL,P,1.E-2
*NODE FILE,FREQ=999
U,
*Output, Field, Freq=999
*Node Output
U,
*END STEP
**
** STEP 4 - STEADY STATE DYNAMIC STEP
**          APPLYING SAME BC'S AS STEP 1 
**
*STEP
*STEADY STATE DYNAMICS, DIRECT
0.04, 
*DLOAD
EALL,P,1.E-2
*NODE FILE,FREQ=1
U,
PU, 
*EL FILE,FREQ=0
*EL PRINT,FREQ=0 
*Output, Field, Freq=1
*Node Output
U,
*END STEP