*HEADING
POROUS ELASTIC, TYPE=POWER LAW, HYDROSTATIC COMPRESSION
*PREPRINT, MODEL=YES
*NODE,NSET=ALLN1
1,0.,0.,0.
2,2.,0.,0.
3,2.,2.,0.
4,0.,2.,0.
5,0.,0.,2.
6,2.,0.,2.
7,2.,2.,2.
8,0.,2.,2.
*NODE,NSET=ALLN2
11,4.,0.,0.
12,6.,0.,0.
13,6.,2.,0.
14,4.,2.,0.
15,4.,0.,2.
16,6.,0.,2.
17,6.,2.,2.
18,4.,2.,2.
*ELEMENT,TYPE=C3D8R,ELSET=qa_test_1
1,1,2,3,4,5,6,7,8
*ELEMENT,TYPE=C3D8,ELSET=qa_test_2
11,11,12,13,14,15,16,17,18
*SOLID SECTION,ELSET=qa_test_1,MATERIAL=MAT1
*SOLID SECTION,ELSET=qa_test_2,MATERIAL=MAT2
*MATERIAL,NAME=MAT1
*POROUS ELASTIC,TYPE=POWER LAW,STIFFNESS=SECANT
5000.,3.,1.,0.5,0.3,0.3,1.0
*MATERIAL,NAME=MAT2
*POROUS ELASTIC,TYPE=POWER LAW
5000.,3.,1.,0.5,0.3,0.3,1.0
*BOUNDARY
1,PINNED
2,2
5,2
6,2
4,1
5,1
8,1
2,3
3,3
4,3
11,PINNED
12,2
15,2
16,2
14,1
15,1
18,1
12,3
13,3
14,3
*AMPLITUDE,NAME=AMP1
0.0,0.0,20.,1.
*STEP,INC=20000
*STATIC
.05,20.,,.05
*BOUNDARY,AMPLITUDE=AMP1
7,1,3,-.2
2,1,,-.2
3,1,,-.2
6,1,,-.2
3,2,,-.2
4,2,,-.2 
8,2,,-.2
5,3,,-.2
6,3,,-.2
8,3,,-.2
17,1,3,-.2
12,1,,-.2
13,1,,-.2
16,1,,-.2
13,2,,-.2
14,2,,-.2 
18,2,,-.2
15,3,,-.2
16,3,,-.2
18,3,,-.2
*OUTPUT,FIELD,FREQ=10
*ELEMENT OUTPUT
S,E
*OUTPUT,HISTORY,FREQ=1
*ELEMENT OUTPUT,ELSET=qa_test_1
PRESS,EE11,EE22,EE33
*OUTPUT,HISTORY,FREQ=1
*ELEMENT OUTPUT,ELSET=qa_test_2
PRESS,EE11,EE22,EE33
*END STEP