*HEADING
: REF. SOLN. FOR 2-POINT BENDING OF A PIPE DUE TO SELF WEIGHT  [C3D20]
*NODE
  1,.0762
101,.0889
  5,.0762,,.254
105,.0889,,.254
 15,.0762,,1.143
115,.0889,,1.143
12001,-.0762
12101,-.0889
12005,-.0762,,.254
12105,-.0889,,.254
12015,-.0762,,1.143
12115,-.0889,,1.143
99991, 
99992,,,.254
99993,,,1.143
*NGEN
1,101,50
5,105,50
15,115,50
12001,12101,50
12005,12105,50
12015,12115,50
*NGEN,NSET=PLANE1,L=C
1,12001,1000,99991,,,,,,-1.
51,12051,1000,99991,,,,,,-1.
101,12101,1000,99991,,,,,,-1.
*NGEN,NSET=PLANE2,L=C
5,12005,1000,99992,,,,,,-1.
55,12055,1000,99992,,,,,,-1.
105,12105,1000,99992,,,,,,-1.
*NGEN,NSET=PLANE3,L=C
15,12015,1000,99993,,,,,,-1.
65,12065,1000,99993,,,,,,-1.
115,12115,1000,99993,,,,,,-1.
*NFILL
PLANE1,PLANE2,4
PLANE2,PLANE3,10
*NSET,NSET=YSYMM,GEN
1,15
51,65
101,115
12001,12015
12051,12065
12101,12115
*NSET,NSET=NPRINT
12101,12105,12115
*ELEMENT,TYPE=C3D20
1,1,101,103,3,2001,2101,2103,2003,51,102,53,2,2051,2102,2053,
2002,1001,1101,1103,1003
*ELGEN,ELSET=PIPE
1,7,2,1,6,2000,10
*SOLID SECTION,ELSET=PIPE,MATERIAL=STEEL
*MATERIAL,NAME=STEEL
*ELASTIC
2.0684E11,0.3
*BOUNDARY
PLANE1,3
12105,1
YSYMM,2
*STEP,PERTURBATION
*STATIC
*DLOAD
PIPE,BX,-.15E6
*EL PRINT,FREQ=0
*NODE PRINT,NSET=NPRINT
U,RF
*NODE FILE,NSET=NPRINT
U,RF
*OUTPUT,FIELD
*NODE OUTPUT,NSET=NPRINT
U,RF
*END STEP