*heading spherical indentation problem - axisymmetric - finite sliding ******************** ** ** blank definition ** *preprint, contact=yes *node 1,0.0,2.0 10,6.0,2.0 51,0.0,0.0 60,6.0,0.0 *ngen,nset=top 1,10,1 *ngen,nset=bottom 51,60,1 *nfill,nset=nplate top,bottom,5,10 *nset,nset=left,gen 1,51,10 *element,type=cax4h 1,1,11,12,2 *elgen,elset=eplate 1,9,1,1,5,10,9 *elset,elset=fplate,gen 1,4,1 *solidsection,elset=eplate,material=rubber *material,name=rubber *hyperelastic,n=1 80.0,20.0 ******************** ** ** sphere definition ** *node 100,0.0,2.05 105,2.0,4.05 106,0.0,3.05 111,1.0,4.05 200,0.0,4.05 *ngen,line=c,nset=outer 100,105,1,200 *ngen,line=c,nset=inner 106,111,1,200 *element,type=cax4 100,100,101,107,106 *elgen,elset=sphere 100,5,1,1 *elset,elset=fsphere,gen 100,103,1 *element,type=cax3,elset=sphere 105,106,107,200 106,107,108,200 107,108,109,200 108,109,110,200 109,110,111,200 *solidsection,elset=sphere,material=steel *material,name=steel *elastic 30.e6,.3 ******************** ** ** fill in contact definition here ** *elset,elset=sset, gen 100, 104, 1 *elset,elset=eset, gen 1,5,1 *surface, name=ssphere, trim=yes sset, *surface, name=splate, trim=yes eset, *surface interaction, name=press 2., *nset,nset=nodeprnt bottom, 105,111,200 *boundary 200,2,2 105, 2,2 111, 2,2 100,1,1 106,1,1 200,1,1 bottom,2,2 left,1,1 ******************** ** ** step definition ** *CONTACT INITIALIZATION DATA, NAME=SHRINK_FIT, SEARCH ABOVE=0.1 *CONTACT *CONTACT INCLUSIONS, ALL EXTERIOR *CONTACT PROPERTY ASSIGNMENT ssphere,splate,press *CONTACT INITIALIZATION ASSIGNMENT ssphere, splate, SHRINK_FIT *contact formulation, type=master slave roles ssphere, splate, slave *step,nlgeom,unsymm=yes *static .2,1.0 *boundary 200, 2,2,-1.0 105, 2,2,-1.0 111, 2,2,-1.0 *print, freq=0 *node print, freq=0 *el print, freq=0 *output,field,freq=1,var=preselect *output,history,freq=1,var=preselect *end step