*HEADING
:  Test for tapered membranes  [M3D4]
*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=M3D4
 1, 1,2,12,11
*ELGEN,ELSET=EALL
 1,2,1,1,10,10,10
*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
S,
STH,
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*OUTPUT,FIELD
*NODE OUTPUT
U,COORD
*NODE PRINT
 U,COORD
*EL PRINT 
 STH,
*END STEP