*heading
NONLINEAR KINEMATIC HARDENING WITH MULTIPLE BACKSTRESSES,
M3D4 AND REBAR WITH INITIAL CONDITIONS
*part, name=part-1
*node,nset=alln
*element,type=m3d4r,elset=alle
*membrane section,elset=alle,material=alle
 0.1,
*rebar layer
 reb,0.05,0.2,0,alle,0,1
*end part
*assembly, name=assembly-1
*instance, name=part-1-1, part=part-1
*end instance
*end assembly
*material,name=alle
*elastic
 200.e3,0.3
*density
 7.82000e-09,
*PLASTIC,HARD=COMBINED,DATA TYPE=PARAMETERS,NUMBERBACKSTRESS=3
 200., 1.111E4,34.65, 5.555E3,34.65, 5.555E3,0.0
*cyclic hardening, parameters
*initial conditions,type=stress
 assembly-1.part-1-1.1,10.,
*initial conditions,type=stress,rebar
 assembly-1.part-1-1.1,,10.,
*initial conditions,type=hardening
 assembly-1.part-1-1.1,0.2,20.,
*initial conditions,type=hardening,rebar
 assembly-1.part-1-1.1,,0.2,20.,
*boundary
 assembly-1.part-1-1.alln,3
 assembly-1.part-1-1.1,pinned
 assembly-1.part-1-1.2,2
 assembly-1.part-1-1.4,1
*amplitude,name=smoothing_curve,definition=smooth step
 0., 0., 10e-3, 1.
*step,nlgeom=no
*dynamic,explicit
 ,10e-3
*boundary,amplitude=smoothing_curve
 assembly-1.part-1-1.2,1,,.043528
 assembly-1.part-1-1.3,1,,.043528
*output, field
*element output, elset=assembly-1.part-1-1.alle
 S, LE, PE, PEEQ, ALPHA
*element output, rebar
 S, LE, PE, PEEQ
*node output, nset=assembly-1.part-1-1.alln
 U, RF
*output, history, variable=preselect
*element output, elset=assembly-1.part-1-1.alle
 S, PE, LE, PEEQ, ALPHA, ALPHAP
*element output, elset=assembly-1.part-1-1.alle, rebar
 S, PE, LE, PEEQ, ALPHA
*file output, number interval = 10
*el file, elset=assembly-1.part-1-1.alle
 PEEQ, ALPHA, ALPHAP
*end step