*Heading
std-xpl co-simulation with C3D8I elements
*preprint, echo=NO, history=NO, model=NO, contact=NO
** ----------------------------------------------------------------
** PART INSTANCE: PART-1-1
**
*Node
*Element, type=C3D8I
*Nset, nset=ASSEMBLY_PART-1-1__PICKEDSET4
*Elset, elset=ASSEMBLY_PART-1-1__PICKEDSET4
*solidsection, elset=ASSEMBLY_PART-1-1__PICKEDSET4, material=MATERIAL-1
**
** Assembly Nsets
**
*Nset, nset=ASSEMBLY_SET-1
*Nset, nset=ASSEMBLY_SET-2
*nset, nset=all_retained_nodes, unsorted
*material, name=MATERIAL-1
*density
 1.,
*elastic
 100000., 0.1
*coupling, constraintname=ASSEMBLY_CONSTRAINT-1, refnode=ASSEMBLY_FIX, surface=ASSEMBLY__PICKEDSURF8
*kinematic
*Node
*Nset, nset=ASSEMBLY_FIX
*surface,name=coupling_surface
 19,S5
 20,S5
 39,S5
 40,S5
*surface, type=node, name=ASSEMBLY__PICKEDSURF8
 ASSEMBLY_SET-1,
*nset,nset=cn, unsorted
*step, inc=100001, nlgeom=yes
*dynamic,  haftol=10000
 0.01,0.3
*boundary
 1000,1,3
 1000,5,6
 1000,4,4,
***
*CO-SIMULATION, PROGRAM=MULTIPHYSICS
*CO-SIMULATION REGION, TYPE=SURFACE, IMPORT
 coupling_surface, LUMPEDMASS, RICUR, CFORCE, CMOMENT
*CO-SIMULATION REGION, TYPE=SURFACE, EXPORT
 coupling_surface, UPRED, URPRED, V, VR, A, AR
***
*output, field, number interval=10
*node output
 U,
***
*end step