*HEADING
 : F3D3 FLUID ELEMENT TEST
(1x1x1 BLOCK, HYDRAULIC, NO BULK MODULUS, NO THERMAL EXPANSION)
*RESTART, WRITE, FREQ=1
*NODE, NSET=CAV1NOD
*ELEMENT, TYPE=F3D3, ELSET=CAV1
*FLUID PROPERTY, ELSET=CAV1, REFNODE=1, TYPE=HYDRAULIC
*FLUID DENSITY
10.,
*ELEMENT, TYPE=SPRING1, ELSET=SPRINGX1
*SPRING, ELSET=SPRINGX1
1,
400.,
*ELEMENT, TYPE=SPRING1, ELSET=SPRINGY1
*SPRING, ELSET=SPRINGY1
2,
1.E-6,
*BOUNDARY
2, 2, 3, 0.0
3, 2, 3, 0.0
4, 1, 1, 0.0
4, 3, 3, 0.0
5, 1, 3, 0.0
6, 2, 3, 0.0
7, 3, 3, 0.0
8, 1, 1, 0.0
*EQUATION
*STEP, NLGEOM
*STATIC
.2, 1.
*CLOAD
4, 2, -600.
*NODE PRINT,FREQ=100
U,PCAV,CVOL
*NODE FILE,FREQ=100
U,PCAV,CVOL
*OUTPUT,FIELD,FREQ=100
*NODE OUTPUT
U,PCAV,CVOL
*ENERGY FILE
*OUTPUT,HISTORY,FREQUENCY=1
*ENERGY OUTPUT,VARIABLE=PRESELECT
*ENERGY PRINT
*END STEP