**
**   Structure: bolt-like structure.
**   Test objective: pre-tension force with beam element.
**
*NODE, NSET=Nall
*ELEMENT, TYPE=B31, ELSET=Ebeam
*ELEMENT, TYPE=C3D20R, ELSET=Evol
*ELEMENT,TYPE=DCOUP3D,ELSET=Ecoup1
*ELEMENT,TYPE=DCOUP3D,ELSET=Ecoup2
*MATERIAL,NAME=EL
*ELASTIC
210000.,.3
*SOLID SECTION,ELSET=Evol,MATERIAL=EL
*BEAM SECTION,ELSET=Ebeam,MATERIAL=EL,SECTION=RECT
0.001,0.001
0.,0.,1.
*PRE-TENSION SECTION,ELEMENT=1,NODE=99
*NSET,NSET=FIX
*NSET,NSET=Ncoup1
*NSET,NSET=Ncoup2
*BOUNDARY
FIX,1,3
*DISTRIBUTING COUPLING,ELSET=Ecoup1
Ncoup1,1.
*DISTRIBUTING COUPLING,ELSET=Ecoup2
Ncoup2,1.
*EQUATION
*EQUATION
*STEP
*STATIC
*CLOAD
99,1,1.
*NODE PRINT,NSET=Nall
U
*NODE PRINT,NSET=Ncoup1,TOTALS=YES
RF
*NODE PRINT,NSET=Ncoup2,TOTALS=YES
RF
*END STEP