*HEADING SHALLOW CLAMPED ARCH LOADED WITH PUNCH, *NODE 1,0.,4.,0.,0.,1. 11,28.,0.,0.,.28,.96 100, 0., 9. *NGEN,LINE=C 1,11,1,0,0.,-96. *NSET,NSET=NENDS 1,11 *ELEMENT,TYPE=B21 1,1,2 *ELGEN,ELSET=ARCH 1,10 *BEAM SECTION,SECTION=RECT,ELSET=ARCH,MATERIAL=A1 1.,2. *MATERIAL,NAME=A1 *ELASTIC 1.E7,.25 *ELSET,ELSET=ET1 1, *ELSET,ELSET=ET2,GENERATE 2,4,1 *RIGID BODY,ANALYTICAL SURFACE=BSURF,REF NODE=100 *SURFACE,TYPE=SEGMENTS,NAME=BSURF START, 5.,9. CIRCL, 0.,4., 0.,9. *SURFACE,NAME=ASURF ET1,SPOS *CONTACT PAIR,INTERACTION=DAMP ASURF,BSURF *SURFACE INTERACTION,NAME=DAMP 1., *CONTACT DAMPING, DEFINITION=DAMPING COEFFICIENT 1.0,10.0,0.9 *SURFACE,NAME=CSURF ET2,SPOS *CONTACT PAIR,INTERACTION=DAMP CSURF,BSURF *BOUNDARY 1,1 1,6 11,PINNED 100,1 100,6 *RESTART,WRITE,FREQUENCY=1 *STEP,NLGEOM LOADING *STATIC .05,1.,,.05 *BOUNDARY,OP=MOD 100,2,2,-9.0 *PRINT,RESIDUAL=NO *MONITOR, NODE=1, DOF=2 *CONTACT PRINT,SLAVE=ASURF,FREQUENCY=5 *CONTACT PRINT,SLAVE=CSURF,FREQUENCY=5 *CONTACT FILE,SLAVE=ASURF *CONTACT FILE,SLAVE=CSURF *EL PRINT,FREQUENCY=5 S,E *NODE PRINT,SUMMARY=NO,FREQUENCY=5 U,RF *END STEP