*HEADING
EC3RSRE2: EIGENVALUE ANALYSIS OF AN UNCONSTRAINED PATCH OF ELEMENTS  [C3D27R]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
10,0.,0.,1.
20,1.,0.,1.
120,1.,0.,0.
110,0.,0.,0.
100,0.32,0.186,0.643
202,0.677,0.305,0.683
302,.826,.288,.288
400,.249,.342,.192
102,.165,.745,.702
200,.788,.693,.644
300,.850,.649,.263
402,.273,.750,.230
12,0,1,1
22,1,1,1
320,1,1,0
420,0,1,0
*NODE
** MIDSIDE AND MIDFACE NODES THAT COULD NOT BE GENERATED
** WITHOUT DUPLICATION OF NODE NUMBERS
1510,.4765,.719,.673
2500,.819,.671,.4535
3510,.5615,.6995,.2465
2520,.219,.7475,.466
2010,.5075,.697,.4825
2510,.78525,.48375,.4695
1110,.894,.8465,.822
*NGEN,NSET=EXTBOT
10,20,5
20,120,50
110,120,5
10,110,50
60,70,5
*NGEN,NSET=EXTOP
12,22,5
22,320,149
320,420,50
12,420,204
12,320,154
*NODE
3020,.475,.5275,.4565
*NGEN,NSET=EXLEFT
10,12,1
110,420,155
60,216,78
*NGEN,NSET=EXRT
20,22,1
120,320,100
20,320,150
*NGEN,NSET=EXFRONT
15,17,1
*NGEN,NSET=EXBACK
120,420,150
*NGEN,NSET=INBOT
100,202,51
202,302,50
302,400,49
100,400,150
*NODE,NSET=INBOT
999,0.463,0.3235,0.4375
*NSET,NSET=INTOP
1510, 
2500, 
3510, 
2520, 
2010, 
*NGEN,NSET=INLEFT
100,102
400,402
101,401,150
*NGEN,NSET=INRT
300,302
200,202
*NSET,NSET=INRT
2510, 
*NGEN,NSET=INFRT
100,200,50
*NGEN,NSET=INBK
302,402,50
*NGEN,NSET=INOUTB
10,100,45
20,202,91
15,151,68
110,400,145
120,302,91
115,351,118
111,211,50
55,255,100
*NGEN,NSET=INOUTT
12,102,45
12,200,94
300,320,10
402,420,9
320,402,41
57,411,177
200,320,60
*NSET,NSET=INOUTT
1110, 
*NGEN,NSET=INOUTL
10,102,46
110,402,146
*NGEN,NSET=INOUTR
22,202,90
302,320,9
*NGEN,NSET=CENTROID
*** EL 1
155,161,3
*** EL 2
56,256,100
*** EL 4
170,2510,1170
*** EL 5
166,2010,922
*** EL 6
233,361,64
*** EL 7
56,112,28
*NODE,NSET=CENTROID
156, .126, .503, .471
3020, .518, .495, .456
1088, .509, .855, .480
297, .525, .504, .122
84, .494, .491, .834
*NSET,NSET=SIDES
10, 
20, 
110, 
120, 
12, 
22, 
320, 
420, 
*NSET,NSET=EXLEFT
10, 12, 60, 216, 110, 420
*NSET,NSET=EXBACK
120, 220, 320, 115, 370, 110, 265, 420
*NSET,NSET=EXTBOT
10, 20, 110, 120
*ELEMENT,TYPE=C3D27R,ELSET=SOLID
1,10,20,120,110,100,202,302,400,15,70,115,60,151,252,351,
250,55,111,211,255,158
**65,999,83,161,233,155 (Use these nodes for 27 node element)
****
2,10,100,400,110,12,102,402,420,55,250,255,60,57,2520,411,
216,11,101,401,265,156
**155,234,56,251,256,138 (Use these nodes for 27 node element)
****
3,100,202,302,400,102,200,300,402,151,252,351,250,1510,2500,3510,
2520,101,201,301,401,3020
**999,2010,150,2510,352,251 (Use these nodes for 27 node element)
****
4,202,20,120,302,200,22,320,300,111,70,211,252,1110,171,310,
2500,201,21,220,301,1340
**161,260,112,170,311,2510 (Use these nodes for 27 node element)
****
5,102,200,300,402,12,22,320,420,1510,2500,3510,2520,17,171,370,
216,57,1110,310,411,1088
**2010,166,106,260,361,234 (Use these nodes for 27 node element)
****
6,302,120,110,400,300,320,420,402,211,115,255,351,310,370,411,
3510,301,220,265,401,297
**233,361,311,270,256,352 (Use these nodes for 27 node element)
****
7,20,202,100,10,22,200,102,12,111,151,55,15,1110,1510,57,
17,21,201,101,11,84
**83,106,112,150,56,16 (Use these nodes for 27 node element)
****
*SOLID SECTION,MATERIAL=A1,ELSET=SOLID
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
1.E6,.25
*DENSITY
7.5E-4, 
*STEP
*FREQUENCY, eigensolver=lanczos
8, , ,-1.E7
*OUTPUT,FIELD
*MODAL OUTPUT
*END STEP
*STEP,NLGEOM
*STATIC
*DLOAD
1, P1, -10000.
2, P6, -10000
4, P4, -10000.
5, P2, -10000.
6, P4, -10000.
7, P6, -10000.
*CONTROLS,PARAMETERS=FIELD
1.E-14, 1., 10000. , , 1.E-12
*BOUNDARY
EXLEFT,1
EXTBOT,2
EXBACK,3
*EL PRINT,FREQ=0
*NODE PRINT
U,RF
*END STEP
*STEP,NLGEOM
*FREQUENCY, eigensolver=lanczos
8, , , -1.E+7
*OUTPUT,FIELD
*MODAL OUTPUT
*EL PRINT,FREQ=0
*NODE PRINT,FREQ=0
*BOUNDARY,OP=NEW
*END STEP