*heading mises plasticity with combined isotropic-kinematic hardening with multiple backstresses, cpe4r element under uniaxial tension INITIAL CONDITIONS AND ORIENTATION OF PEEQ AND ALPHA VERIFIED *part, name=part-1 *node, nset=nall 1, 2,1 3,1,1 4,0,1 *element,type=cpe4r,elset=alle 1,1,2,3,4 *orientation,definition=coordinates,name=rotate 0.,-1.,0,1,0,0 *solid section, elset=alle, material=steel,orientation=rotate 1, *end part *assembly, name=assembly-1 *instance, name=part-1-1, part=part-1 *end instance *end assembly *material, name=steel *elastic 200.E3,0 *density 7.82000e-09, *plastic, hardening=combined, data type=parameters, numberbackstress=3 200., 1.111e4, 34.65, 5.555e3, 34.65, 5.555e3, 0. *cyclic hardening, parameters 200., 2000., 0.25, 0., 0., *boundary assembly-1.part-1-1.1,1,2 assembly-1.part-1-1.4,1,1 *rest,w *initial conditions, type=hardening assembly-1.part-1-1.1,1.e-2,,300. **step 1 tension*** *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-1-1.2,1,1,0.04 assembly-1.part-1-1.3,1,1,0.04 *output, field *element output, elset=assembly-1.part-1-1.alle S, LE, PE, PEEQ, ALPHA *node output, nset=assembly-1.part-1-1.nall U, RF *output, history, variable=preselect *element output, elset=assembly-1.part-1-1.alle S, PE, LE, PEEQ, ALPHA, ALPHAP *file output, number interval = 10 *el file, elset=assembly-1.part-1-1.alle PEEQ, ALPHA, ALPHAP *end step