*HEADING
: MEMBRANE LOADING  [M3D8]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
 1, 0.0, 0.0
 2, 2.0, 0.0
 3, 2.0, 1.0
 4, 0.0, 1.0
 5, 1.0, 0.0
 6, 2.0, 0.5
 7, 1.0, 1.0
 8, 0.0, 0.5
*ELEMENT,TYPE=M3D8, ELSET=EALL
 1, 1,2,3,4,5,6,7,8
*MEMBRANE SECTION,MATERIAL=A1, ELSET=EALL
 1.00, 
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 30.0E6,0.3
**D.O.F. 2 ON NODE 5 CONSTRAINED TO AVOID HOURGLASSING
*BOUNDARY
 1,1,5
 2,2,3
 3,3
 4,3
 5,2,3
 6,3
 7,3
 8,3
*STEP
*STATIC
*CLOAD
 2,1,  166.6667
 3,1, -500.00
 3,2, -500.0000
 4,1, -166.6667
 4,2, -166.6667
 5,1, 1333.3333
 5,2, 1333.3333
 6,1, -666.6667
 6,2, -666.6667
 7,1,-1333.3333
 7,2,-1333.3333
 8,1,  666.6667
 8,2,  666.6667
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,COORD,
E,
*OUTPUT,FIELD
*NODE OUTPUT
U,COORD
*NODE PRINT
 U,COORD
*EL PRINT
 S,COORD,
 E,
*END STEP
*STEP
*STATIC
*BOUNDARY,OP=MOD
 5,1,,-5.66667E-05
 5,2,, 1.66666E-05
*CLOAD,OP=MOD
2,1,  0.0
6,1, -1000.0
8,1,  1000.00
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*OUTPUT,FIELD
*ELEMENT OUTPUT
S,COORD,
E,SINV,
SF,
ENER,
*OUTPUT,FIELD
*NODE OUTPUT
U,RF,CF,COORD
*EL PRINT
 S,COORD,
 E,COORD,
 SINV,
 SF,
 ENER,
*END STEP