*HEADING
 ANNULAR RING UNDER APPLIED TWIST ON INNER AND OUTER SURFACES
 ELEMENT : CGAX6
*RESTART, WRITE
*NODE
*NGEN, NSET=INNER
*NGEN, NSET=OUTER
*NFILL, NSET=ALL
INNER, OUTER, 20, 1
*NSET,NSET=BOTTOM,GENERATE
*ELEMENT, TYPE=CGAX6, ELSET=EALL
*ELGEN, ELSET=EALL
*ELCOPY,SHIFT NODES=400,OLD SET=EALL,ELEMENT SHIFT=40,NEW SET=E2ALL
*ELSET,ELSET=ROW1,GENERATE
*ELCOPY,SHIFT NODES=800,OLD SET=ROW1,ELEMENT SHIFT=80,NEW SET=ROW5
*ELSET,ELSET=EALL
E2ALL, ROW5
*SOLID SECTION, ELSET=EALL, MATERIAL=MALL
*MATERIAL, NAME=MALL
*ELASTIC
1.E6, 0.3
*BOUNDARY
BOTTOM,1,2
**
** STEP I -- SIMPLE LINEAR PERTURBATION
**
*STEP, PERTURBATION
*STATIC
*BOUNDARY
INNER, 5,5, 0.01
OUTER, 5,5, -0.01
*END STEP
**
** STEP II -- SIMPLE LINEAR STEP
**
*STEP
*STATIC
0.5, 1.0
*BOUNDARY
INNER, 5,5, 0.01
OUTER, 5,5, -0.01
*EL PRINT, ELSET=EALL
S, MISES
E,
COORD,
*EL PRINT, ELSET=EALL, POSITION=AVERAGED AT NODES
E13, S13
*NODE PRINT
U,
*NODE PRINT, NSET=OUTER,TOTALS=YES
RF,
*NODE PRINT, NSET=INNER,TOTALS=YES
RF,
*EL FILE
S,
E,
COORD,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,
E,
COORD,
*NODE FILE
U,RF
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*END STEP