*HEADING
 : Test Rigid Body Ouput Variables for all elbow elements.
 test of all elbow elements (tested as straight pipes)
 rigid rotation of 1.57080 rad (90 deg) about Z axis.
*RESTART, WRITE, F=999
**
*NODE, NSET=NALL
  1, 1.0, 0.0, 0.0
  2, 2.0, 0.0, 0.0
  3, 3.0, 0.0, 0.0
*ELEMENT, TYPE=ELBOW31, ELSET=E31
 1,  1, 2
 2,  2, 3
**
*NODE, NSET=NALL
 101, 1.0, 0.0, 0.0
 102, 2.0, 0.0, 0.0
 103, 3.0, 0.0, 0.0
*ELEMENT, TYPE=ELBOW32, ELSET=E32
 101,  101, 102, 103
**
*NODE, NSET=NALL
 201, 1.0, 0.0, 0.0
 202, 2.0, 0.0, 0.0
 203, 3.0, 0.0, 0.0
*ELEMENT, TYPE=ELBOW31B, ELSET=E31B
 201,  201, 202
 202,  202, 203
**
*NODE, NSET=NALL
 301, 1.0, 0.0, 0.0
 302, 2.0, 0.0, 0.0
 303, 3.0, 0.0, 0.0
*ELEMENT, TYPE=ELBOW31C, ELSET=E31C
 301,  301, 302
 302,  302, 303
**
*ELSET, ELSET=EALL
 E31, E32, E31B, E31C
*BEAM SECTION, SECTION=ELBOW, ELSET=EALL, MATERIAL=A1
 1.0, 0.0812900, 0.0
 0.0, 100.0, 0.0
 3, 12, 0
**
*MATERIAL, NAME=A1
*ELASTIC
 30.E6, 0.3
*DENSITY
 7.5E-4, 
*NSET, NSET=PIVOT, GEN
 1, 301, 100
*BOUNDARY
PIVOT, 1, 5, 0.0
NALL,  3, 5, 0.0
**
*STEP, NLGEOM, AMP=RAMP, INC=1000
*DYNAMIC
 0.02, 1.00
*BOUNDARY
 NALL, 6, 6, 1.57080
*NODE FILE, F=999
COORD, 
V, 
*EL FILE, ELSET=E31, F=999
 XC, 
 UC, 
 VC, 
 RI , 
 HC, 
 HO, 
 MASS, 
 VOL, 
*EL FILE, ELSET=E32, F=999
 XC, 
 UC, 
 VC, 
 RI , 
 HC, 
 HO, 
 MASS, 
 VOL, 
*EL FILE, ELSET=E31B, F=999
 XC, 
 UC, 
 VC, 
 RI , 
 HC, 
 HO, 
 MASS, 
 VOL, 
*EL FILE, ELSET=E31C, F=999
 XC, 
 UC, 
 VC, 
 RI , 
 HC, 
 HO, 
 MASS, 
 VOL, 
*NODE PRINT, F=0
*EL PRINT, F=0
*END STEP