*HEADING
Test of angular acceleration loading on PIPE21 elements.
*NODE,NSET=NALL
1,10,-1.
2,10,0.
3,10,1.
*ELEMENT,TYPE=PIPE21,ELSET=EALL
1,1,3
*BEAM SECTION,SECTION=PIPE,ELSET=EALL,MATERIAL=STEEL
1.,.1
*MATERIAL,NAME=STEEL
*ELASTIC
30.E6,.33
*DENSITY
200., 
*BOUNDARY
NALL,1,6
*STEP
*STATIC
*DLOAD
EALL,ROTA,10.,0.,0.,0.,0,0,1
*NODE PRINT,TOTALS=YES
RF, 
*EL PRINT
EVOL, 
*OUTPUT,FIELD
*NODE OUTPUT
RF,
*OUTPUT,FIELD,FREQ=0
*ELEMENT OUTPUT
*END STEP