*HEADING
:  Test for tapered membranes  [M3D3]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=YES
*NODE,NSET=BOTTOM
  1,  0.0,  0.0
  2, 10.0,  0.0
  3, 20.0,  0.0
*NODE,NSET=TOP
101,  0.0,100.0
102, 10.0,100.0
103, 20.0,100.0
*NFILL,NSET=NALL
BOTTOM,TOP,10,10
*NODAL THICKNESS
BOTTOM,3.
TOP,1.
*NODAL THICKNESS, GENERATE
BOTTOM,TOP,10,10
*ELEMENT,TYPE=M3D3
 1, 1,2,12
 2, 2,3,12
 3, 1,12,11
 4, 3,13,12
*ELGEN,ELSET=EALL
1,10,10,10
2,10,10,10
3,10,10,10
4,10,10,10
*MEMBRANE SECTION,MATERIAL=A1,ELSET=EALL,NODAL
 1.0, 
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 1000.0, 
*BOUNDARY
BOTTOM,1,2
NALL,3,3
*STEP
*STATIC
*CLOAD
 101,2,250.
 102,2,500.
 103,2,250.
*OUTPUT,FIELD
*ELEMENT OUTPUT
STH,
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*OUTPUT,FIELD
*NODE OUTPUT
U,COORD
*NODE PRINT
 U,COORD
*EL PRINT
 STH,
*END STEP