*heading
 std-xpl co-simulation with truss elements
*preprint, model=yes, history=yes
*node, nset=nall
 1, 0.0, 0.0, 0.0
 2, 1.0, 0.0, 0.0
*nset, nset=node2
 2,
*element, type=t3d2, elset=eall
 1, 1, 2
*solid section, elset=eall, material=alle
 1.0,
*material,name=alle
*elastic
 800000., 0.
*density
 1.0
*boundary
 1,1,3
 2,2,3
*nset,nset=cn
 2,
*surface,type=node,name=CNSURF
 CN,
*step, nlgeom, inc=100001
*dynamic, haftol=1000.
 0.01,1.0
***
*CO-SIMULATION, PROGRAM=MULTIPHYSICS
*CO-SIMULATION REGION, TYPE=SURFACE, IMPORT
 CNSURF, LUMPEDMASS, RICUR, CFORCE, CMOMENT
*CO-SIMULATION REGION, TYPE=SURFACE, EXPORT
 CNSURF, UPRED, URPRED, V, VR, A, AR
***
*output, field, number interval=1
*node output
 U,
*end step