*HEADING
: PATCH TEST FOR BEAM ELEMENTS  [B31OS]
*NODE
 1,
 4,10.0
*NGEN
 1,4
*ELEMENT,TYPE=B31OS
 1, 1,2
*ELGEN,ELSET=ALL
 1,3,1,1
*ELSET,ELSET=EL2
 2,
*BEAM SECTION,SECTION=I,ELSET=ALL,MATERIAL=MAT
 .25, .5, .26, .26, .01, .01, .01
*MATERIAL,NAME=MAT
*ELASTIC
 30E6,0.0
*NSET,NSET=END1
 1, 
*NSET,NSET=END2
 4, 
*STEP,PERTURBATION
*STATIC
*BOUNDARY
 END1,1,,0.01
 END1,3,5
 END2,1,,0.11
 END2,3
*INCLUDE,INPUT=ebmod2p6.inp
*ENDSTEP
*STEP,NLGEOM
*STATIC
*CLOAD
4, 1, 3000.
*BOUNDARY
END1,1,6
END2,2
*EL PRINT,SUMMARY=NO,ELSET=EL2
S,E
*OUTPUT,FIELD
*ELEMENT OUTPUT,ELSET=EL2
S,E
*NODE PRINT,SUMMARY=NO
U,
RF,
*OUTPUT,FIELD
*NODE OUTPUT
U,RF,WARP,RWM
*END STEP
*STEP,PERTURBATION
*STATIC
*BOUNDARY
 END1,1,,0.01
 END1,3,5
 END2,1,,0.11
 END2,3
*INCLUDE,INPUT=ebmod2p6.inp
*ENDSTEP