*HEADING
: MEMBRANE LOADING  [CPE8R]
*PREPRINT,ECHO=YES,HISTORY=YES,MODEL=YES
*NODE
*ELEMENT,TYPE=CPE8R, ELSET=EALL
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
 1.0,
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 30.0E6,0.3
*STEP
*STATIC
*BOUNDARY
 1,1,2
 2,2
**--THE FOLLOWING B.C.'S ARE NEEDED TO SUPPRESS HOURGLASS MODES
 5,1,,-1.7333E-5
 5,2
*DLOAD,OP=NEW
 1, P1, 1000.0
 1, P2, 1000.0
 1, P3, 1000.0
 1, P4, 1000.0
*CLOAD
 2,1,   333.3333
 3,1,  -333.3333
 3,2,  -166.6667
 4,2,   166.6667
 4,1,  -333.3333
 5,1,  1333.3333
 6,2,  -666.6667
 7,1, -1333.3333
*EL FILE
 S,COORD,
 E,
 LOADS,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,COORD,
E,
LOADS,
*ENERGY FILE
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*NODE FILE
 U,COORD
*OUTPUT,FIELD
*NODE OUTPUT
U,COORD
*NODE PRINT
 U,COORD
*EL PRINT
 S,COORD,
 E,
 LOADS,
*END STEP
*STEP
*STATIC
*BOUNDARY,OP=MOD
5,1,,-4.76667E-05
5,2,, 1.51667E-05
*DLOAD,OP=MOD
1,HP2,1000.,1.0,0.0
1,HP4,1000.,1.0,0.0
*EL FILE
S,COORD,
E,COORD,
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,COORD,
E,COORD,
*END STEP