*heading
Truss problem
Dynamic-to-dynamic cosimulation using subcycling
*preprint, model=yes, history=yes
*node, nset=nall
*nset, nset=node2
*element, type=t3d2, elset=eall
*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
*surface,type=node,name=CNSURF
 CN,
*step, nlgeom, inc=100001
*dynamic, haftol=1000, alpha=0
 0.005, 1.0, , 0.025
***
*CO-SIMULATION, PROGRAM=MULTIPHYSICS
*CO-SIMULATION REGION, TYPE=SURFACE, IMPORT
 CNSURF, MASSINV, VTINTRF
*CO-SIMULATION REGION, TYPE=SURFACE, EXPORT
 CNSURF, IFORCE
 CNSURF, UT, VT, AT
***
*output, field, number interval=1
*node output
 U,V,
*output, history,freq=1
*node output, nset=node2
 V1,U1,
*end step