*HEADING
 Test HYPERELASTIC, MARLOW WITH *UNIAXIAL TEST DATA FOR TENSION AND COMPRESSION
 INCOMPRESSIBLE
*PREPRINT, MODEL=YES
*RESTART, WRITE,freq=1
 TRUSS LOADED AXIALLY
*PREPRINT, MODEL=YES
*NODE,NSET=ALL
 1,
 2,1.0
*ELEMENT,TYPE=T2D2,ELSET=ONE
 1,1,2
*SOLID SECTION,ELSET=ONE,MATERIAL=POLY
 1
*MATERIAL,NAME=POLY
*HYPERELASTIC,MARLOW
*UNIAXIAL TEST DATA,SMOOTH
-9.532E+06, -891.7E-03    
-4.421E+06, -624.2E-03    
-1.41E+06,  -356.7E-03    
-644.E+03,  -267.5E-03    
-255.E+03,  -133.8E-03    
  0.0,       0.0
  1.5506E5,  0.1338
  2.4367E5,  0.2675
  3.1013E5,  0.3567
  4.2089E5,  0.6242
  5.3165E5,  0.8917
  5.9810E5,  1.1592
  6.8671E5,  1.4268
  8.8608E5,  2.0510
 10.6329E5,  2.5860
 12.4051E5,  3.0318
 16.1709E5,  3.7898
 19.9367E5,  4.3694
 23.4810E5,  4.8153
 27.4684E5,  5.1720
 31.0127E5,  5.4395
 34.5570E5,  5.7070
 38.3228E5,  5.9299
 42.0886E5,  6.0637
 45.6329E5,  6.1975
 49.3987E5,  6.3312
 53.1646E5,  6.4650
 56.9304E5,  6.5541
 64.2405E5,  6.6433
*NSET, NSET=NDISP
 2
*NSET, NSET=NFIX
 1
*STEP, NLGEOM=YES,INC=1000
 UNIAXIAL COMPRESSION LOADING
*STATIC
 0.01, 1.0, , 0.1
*BOUNDARY
 NFIX,1,2
 2,2,2,0.0
*CLOAD
 NDISP,1,-5.0E6
*OUTPUT,FIELD, VARIABLE=PRESELECT
*OUTPUT, HISTORY
*NODE OUTPUT,Nset=ndisp
CF1,U1
*END STEP
*STEP, NLGEOM=YES
 UNIAXIAL UNLOADING
*STATIC
 0.01, 1.0, , 0.05
*CLOAD
 NDISP,1,0.
*END STEP
*STEP, NLGEOM=YES,INC=1000
 UNIAXIAL TENSION LOADING
*STATIC
 0.01, 1.0, , 0.05
*CLOAD
 NDISP,1,65.0E5
*END STEP