*HEADING L-shaped bracket 17 element mesh, non-linear buckling analysis *RESTART,WRITE *NODE 101, 0., 225., 165, 225., 225., 173, 255., 225., 901, 0., 255., 965, 225., 255., 973, 255., 255., 1101, 225., 0., 1165, 225., 225., 1901, 255., 0., 1965, 255., 225., *NGEN,NSET=EDGE1 101, 165 165, 173 *NGEN,NSET=EDGE2 901, 965 965, 973 *NGEN,NSET=EDGE3 1101, 1165 *NGEN,NSET=EDGE4 1901, 1965 *NFILL EDGE1, EDGE2, 8, 100 *NFILL EDGE3, EDGE4, 8, 100 *ELEMENT,TYPE=S4 101, 101, 109, 909, 901 1101, 1101, 1901, 1909, 1109 *ELGEN,ELSET=BLOCK1 101,9,8,1 *ELGEN,ELSET=BLOCK2 1101,7,8,1 *ELEMENT,TYPE=S4,ELSET=BLOCK3 1108, 1157, 1957, 173, 165 *ELSET,ELSET=EALL BLOCK1, BLOCK2, BLOCK3 *SHELL SECTION,MATERIAL=A1,ELSET=EALL .6,3 *MATERIAL,NAME=A1 *ELASTIC 71240, 0.31 *NSET,NSET=WALL,GEN 101, 901, 100 *NSET,NSET=TIP 1101,1901 *BOUNDARY WALL,1,6 *IMPERFECTION,FILE=lbracket_buckle_17s4,STEP=1 1,0.01 *STEP,NLGEOM,INC=50 *STATIC,RIKS 0.01,1.0,,,1.0 *CLOAD TIP,1,2.0 *NODE FILE U, CF, *OUTPUT,FIELD *NODE OUTPUT U, CF, *ENDSTEP