*HEADING ABAQUS/STANDARD SELF CONTACT: JOUNCE BUMPER WITH CAX4H ELEMENTS RESOLVE THE INTERFERENCE FIT BETWEEN THE SHAFT AND THE BUMPER. ** *NODE, NSET=NALLFEM, INPUT=selfcontact_bump_node_cax4r.inp *NODE, NSET=DIES 200000, 40., 0. 200001, 40., 76.5 200002, 11., 40.5 ** Shift the shaft reference node so that there is ** no initial overclosure ** 200002, 10., 40.5 *NSET, NSET=BOTDIE 200000, *NSET, NSET=TOPDIE 200001, *NSET, NSET=SHAFTDIE 200002, ** *ELEMENT, TYPE=CAX4H, ELSET=ALLFEM, INPUT=selfcontact_bump_element_cax4r.inp ** *SOLID SECTION, ELSET=ALLFEM, MATERIAL=HYPRFOAM 1., ** ** Material ** *MATERIAL, NAME=HYPRFOAM *DENSITY 0.0001, *HYPERFOAM 3., 11.5, 0.1 ** ** Rigid Surfaces ** *RIGID BODY, ANALYTICAL SURFACE=BOTDIE, REF NODE=200000 *SURFACE,NAME=BOTDIE, TYPE=SEGMENTS START, 0.00, 0.00 LINE, 50.00, 0.00 *RIGID BODY, ANALYTICAL SURFACE=TOPDIE, REF NODE=200001 *SURFACE, NAME=TOPDIE, TYPE=SEGMENTS START, 50.00, 76.50 LINE, 0.00, 76.50 *RIGID BODY, ANALYTICAL SURFACE=SHAFTDIE, REF NODE=200002 *SURFACE, NAME=SHAFTDIE, TYPE=SEGMENTS START, 11., 80. LINE, 11., -5. ** ** Deformable Surfaces ** *INCLUDE, INPUT=selfcontact_bump_surfdef_cax4r.inp ** ** Interaction properties ** *SURFACE INTERACTION, NAME=INTPROP-1 *SURFACE BEHAVIOR, AUGMENTED *FRICTION 0.05, *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SURF1, TOPDIE *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SURF2, SHAFTDIE *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SURF3, BOTDIE *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SELF1, *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SELF2, *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SELF3, *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SELF4, *CONTACT PAIR, INTERACTION=INTPROP-1 BUMP_SELF5, ** ** Boundary conditions ** *BOUNDARY **200000, ENCASTRE 200001, ENCASTRE 200002, ENCASTRE ** ** History definition ** *STEP, NLGEOM Resolve the interference fit *STATIC 0.1, 1. *BOUNDARY 200000,1, 1 200000,2, 2 200000,6, 6 *CONTACT INTERFERENCE, SHRINK, TYPE=CONTACT PAIR BUMP_SURF2, SHAFTDIE ** ** Output requests ** *OUTPUT, FIELD, OP=NEW *NODE OUTPUT U, V, A, RF *ELEMENT OUTPUT S, PE, PEEQ, LE *CONTACT OUTPUT CSTRESS, *OUTPUT, HISTORY, OP=NEW *ENERGY OUTPUT ALLAE, ALLCD, ALLFD, ALLIE, ALLKE, ALLPD, ALLSE, ALLVD, ALLWK, ETOTAL *NODE OUTPUT, NSET=BOTDIE U, RF *RESTART, WRITE, FREQUENCY=9999 *END STEP