*HEADING
EC3ISFE2: EIGENVALUE ANALYSIS OF AN UNCONSTRAINED PATCH OF ELEMENTS  [C3D15V]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE,NSET=OUT
 10,  0.,0.,1.
 30,  1.,0.,1.
 70,  0.,0.,0.
 90,  1.,0.,0.
 210, 0.,1.,1.
 230, 1.,1.,1.
 270, 0.,1.,0.
 290, 1.,1.,0.
*NODE
 1010, .32,.286,.643
 1030, .677,.305,.683
 1070, .249,.342,.192
 1090, .826,.288,.288
 1210, .165,.745,.702
 1230, .788,.693,.644
 1270, .273,.750,.230
 1290, .806,.769,.223
*NGEN,NSET=OUT
   10,    30,    10
   10,    70,    30
   10,    90,    40
   10,   210,   100
   10,   230,   110
   10,   270,   130
   30,    90,    30
   30,   230,   100
   70,    90,    10
   70,   270,   100
   90,   230,    70
   90,   270,    90
   90,   290,   100
  210,   230,    10
  210,   270,    30
  230,   270,    20
  230,   290,    30
  270,   290,    10
*NGEN
   10,  1010,   500
   10,  1030,   510
   10,  1070,   530
   10,  1210,   600
   30,  1030,   500
   70,  1070,   500
**   90 1030  470
**   90 1070  490
   90,  1090,   500
  570,   590,    10
   90,  1290,   600
  210,  1210,   500
**  230 1030  400
  230,  1210,   490
  230,  1230,   500
  230,  1290,   530
  270,  1070,   400
  270,  1210,   470
  270,  1270,   500
**  270 1290  510
  290,  1290,   500
 1010,  1030,    10
 1010,  1070,    30
 1010,  1210,   100
 1030,  1070,    20
 1030,  1090,    30
 1030,  1210,    90
 1030,  1230,   100
** 1030 1290  130
 1070,  1090,    10
 1070,  1210,    70
 1070,  1270,   100
** 1070 1290  110
 1090,  1270,    90
 1090,  1290,   100
 1210,  1230,    10
 1210,  1270,    30
 1210,  1290,    40
 1230,  1290,    30
 1270,  1290,    10
 1060,  1260,   100
   50,  1050,   500
  120,  1120,   500
  140,  1140,   500
**  160 1160  500
  190,  1190,   500
  250,  1250,   500
  280,  1280,   500
 1140,  1160,    10
   30,  1090,   530
  180,  1180,   500
  130,  1130,   500
  130,  1190,   530
*****
*ELEMENT,TYPE=C3D15V,ELSET=SOLIDS
  11,1010,  10,1070,1030,  30,1090, 510, 540,1040, 530, 560,1060,1020, 20,1080,
 520, 550,1050
  12,  10,  70,1070,  30,  90,1090,  40, 570, 540,  60, 590, 560,  20,  80,1080,
  50, 580, 550
  21,1210, 210,1270,1010,  10,1070, 710, 740,1240, 510, 540,1040,1110, 110,1170,
 610, 640,1140
  22, 210, 270,1270,  10,  70,1070, 240, 770, 740,  40, 570, 540, 110, 170,1170,
 140, 670, 640
  31,1070,1090,1270,1010,1030,1210,1080,1180,1170,1020,1120,1110,1040,1060,1240,
1050,1150,1140
  32,1090,1290,1270,1030,1230,1210,1190,1280,1180,1130,1220,1120,1060,1260,1240,
1160,1250,1150
  41,1030,  30,1090,1230, 230,1290, 530, 560,1060, 730, 760,1260,1130, 130,1190,
 630, 660,1160
  42,  30,  90,1090, 230, 290,1290,  60, 590, 560, 260, 790, 760, 130, 190,1190,
 160, 690, 660
  51,1230, 230,1290,1210, 210,1270, 730, 760,1260, 710, 740,1240,1220, 220,1280,
 720, 750,1250
  52, 230, 290,1290, 210, 270,1270, 260, 790, 760, 240, 770, 740, 220, 280,1280,
 250, 780, 750
  61,  70,  90, 270,1070,1090,1270,  80, 180, 170,1080,1180,1170, 570, 590, 770,
 580, 680, 670
  62,  90, 290, 270,1090,1290,1270, 190, 280, 180,1190,1280,1180, 590, 790, 770,
 690, 780, 680
  71,1010,1030,1210,  10,  30, 210,1020,1120,1110,  20, 120, 110, 510, 530, 710,
 520, 620, 610
  72,1030,1230,1210,  30, 230, 210,1130,1220,1120, 130, 220, 120, 530, 730, 710,
 630, 720, 620
*ELSET,ELSET=EDRAW
 41, 
*****
*MATERIAL,NAME=MSOLIDS
*ELASTIC
 1.E6,.25
*DENSITY
7.5E-4, 
*SOLID SECTION,ELSET=SOLIDS,MATERIAL=MSOLIDS
*STEP
*FREQUENCY, eigensolver=lanczos, SIM=NO
9, , ,-1.E7
*OUTPUT,FIELD
*MODAL OUTPUT
*CONTROLS,PARAMETERS=FIELD
1.E-14, 1., 10000. , , 1.E-12
*END STEP
*STEP,NLGEOM
*STATIC
*DLOAD
12, P3, -10000.
22, P3, -10000.
42, P3, -10000.
52, P3, -10000.
61, P1, -10000.
62, P1, -10000.
71, P2, -10000.
72, P2, -10000.
*BOUNDARY
10,1,2
70,1,3
90,2,3
270,1
270,3
*EL PRINT,FREQ=0
*NODE PRINT
U,RF
*END STEP
*STEP,NLGEOM
*FREQUENCY, eigensolver=lanczos, SIM=NO
9, , , -1.E+7 
*OUTPUT,FIELD
*MODAL OUTPUT
*EL PRINT,FREQ=0
*NODE PRINT,FREQ=0
*BOUNDARY,OP=NEW
*END STEP