*HEADING THICK CYLINDER UNDER INTERNAL PRESSURE - CAX4I *NODE 1,10. 11,20. 101,10.,1. 111,20.,1. *NGEN,NSET=SIDE 1,11 101,111 *NSET,NSET=BORE 1,101 *ELEMENT,TYPE=CAX4I 1,1,2,102,101 *ELGEN,ELSET=EALL 1,10 *ELSET,ELSET=MID 5,6 *SOLID SECTION,MATERIAL=A1,ELSET=EALL *MATERIAL,NAME=A1 *ELASTIC 30.E6,.3 *PLASTIC 30000., *BOUNDARY SIDE,2 *STEP,NLGEOM,INC=50 *STATIC 0.1 , 1.0 *BOUNDARY BORE,1,1,20. *NODE PRINT U,RF *EL PRINT,ELSET=MID,POSITION=AVERAGED AT NODES,SUMMARY=NO S,MISES,E *NODE FILE,NSET=BORE U,RF *EL FILE,ELSET=MID,POSITION=AVERAGED AT NODES S, *END STEP