*HEADING NAFEMS BENCHMARK EXAMPLE 3DNLG-4, ELEMENT SC8R LATERAL TORSIONAL BUCKLING OF AN ELASTIC CANTILEVER SUBJECTED TO TRANSVERSE END LOAD NON-CONSERVATIVE LOAD CASE *NODE 1, 0.000000, 0.100000, 0.000000, 1001, 0.000000, 0.000000, 0.000000, 2001, 0.000000, -0.100000, 0.000000, 2, 10.000000, 0.100000, 0.000000, 1002, 10.000000, 0.000000, 0.000000, 2002, 10.000000, -0.100000, 0.000000, 3, 20.000000, 0.100000, 0.000000, 1003, 20.000000, 0.000000, 0.000000, 2003, 20.000000, -0.100000, 0.000000, 4, 29.999995, 0.100000, 0.000000, 1004, 30.000000, 0.000000, 0.000000, 2004, 30.000005, -0.100000, 0.000000, 5, 39.999990, 0.101000, 0.000000, 1005, 40.000000, 0.001000, 0.000000, 2005, 40.000010, -0.099000, 0.000000, 6, 49.999990, 0.102000, 0.000000, 1006, 50.000000, 0.002000, 0.000000, 2006, 50.000010, -0.098000, 0.000000, 7, 59.999990, 0.103000, 0.000000, 1007, 60.000000, 0.003000, 0.000000, 2007, 60.000010, -0.097000, 0.000000, 8, 69.999985, 0.104000, -0.000120, 1008, 70.000000, 0.004000, 0.000000, 2008, 70.000015, -0.096000, 0.000120, 9, 79.999980, 0.106000, 0.000000, 1009, 80.000000, 0.006000, 0.000000, 2009, 80.000020, -0.094000, 0.000000, 10, 89.999985, 0.108000, 0.000000, 1010, 90.000000, 0.008000, 0.000000, 2010, 90.000015, -0.092000, 0.000000, 11, 99.999990, 0.109000, -0.000120, 1011, 100.000000, 0.009000, 0.000000, 2011, 100.000010, -0.091000, 0.000120, 101, 0.000000, 0.100000, 0.833000, 1101, 0.000000, 0.000000, 0.833000, 2101, 0.000000, -0.100000, 0.833000, 102, 10.000000, 0.100000, 0.833000, 1102, 10.000000, 0.000000, 0.833000, 2102, 10.000000, -0.100000, 0.833000, 103, 20.000000, 0.100000, 0.833000, 1103, 20.000000, 0.000000, 0.833000, 2103, 20.000000, -0.100000, 0.833000, 104, 29.999995, 0.100000, 0.833000, 1104, 30.000000, 0.000000, 0.833000, 2104, 30.000005, -0.100000, 0.833000, 105, 39.999990, 0.101000, 0.833000, 1105, 40.000000, 0.001000, 0.833000, 2105, 40.000010, -0.099000, 0.833000, 106, 49.999990, 0.102000, 0.833000, 1106, 50.000000, 0.002000, 0.833000, 2106, 50.000010, -0.098000, 0.833000, 107, 59.999985, 0.103000, 0.833000, 1107, 60.000000, 0.003000, 0.833000, 2107, 60.000015, -0.097000, 0.833000, 108, 69.999985, 0.105000, 0.832940, 1108, 70.000000, 0.005000, 0.833000, 2108, 70.000015, -0.095000, 0.833060, 109, 79.999985, 0.106000, 0.833000, 1109, 80.000000, 0.006000, 0.833000, 2109, 80.000015, -0.094000, 0.833000, 110, 89.999980, 0.108000, 0.833000, 1110, 90.000000, 0.008000, 0.833000, 2110, 90.000020, -0.092000, 0.833000, 111, 99.999980, 0.110000, 0.832940, 1111, 100.000000, 0.010000, 0.833000, 2111, 100.000020, -0.090000, 0.833060, 201, 0.000000, 0.100000, 1.667000, 1201, 0.000000, 0.000000, 1.667000, 2201, 0.000000, -0.100000, 1.667000, 202, 10.000000, 0.100000, 1.667000, 1202, 10.000000, 0.000000, 1.667000, 2202, 10.000000, -0.100000, 1.667000, 203, 20.000000, 0.100000, 1.667000, 1203, 20.000000, 0.000000, 1.667000, 2203, 20.000000, -0.100000, 1.667000, 204, 29.999995, 0.100000, 1.666940, 1204, 30.000000, 0.000000, 1.667000, 2204, 30.000005, -0.100000, 1.667060, 205, 39.999990, 0.101000, 1.667000, 1205, 40.000000, 0.001000, 1.667000, 2205, 40.000010, -0.099000, 1.667000, 206, 49.999990, 0.102000, 1.667000, 1206, 50.000000, 0.002000, 1.667000, 2206, 50.000010, -0.098000, 1.667000, 207, 59.999985, 0.103000, 1.667000, 1207, 60.000000, 0.003000, 1.667000, 2207, 60.000015, -0.097000, 1.667000, 208, 69.999985, 0.105000, 1.667000, 1208, 70.000000, 0.005000, 1.667000, 2208, 70.000015, -0.095000, 1.667000, 209, 79.999985, 0.106000, 1.667000, 1209, 80.000000, 0.006000, 1.667000, 2209, 80.000015, -0.094000, 1.667000, 210, 89.999980, 0.108000, 1.667000, 1210, 90.000000, 0.008000, 1.667000, 2210, 90.000020, -0.092000, 1.667000, 211, 99.999980, 0.110000, 1.667000, 1211, 100.000000, 0.010000, 1.667000, 2211, 100.000020, -0.090000, 1.667000, 301, 0.000000, 0.100000, 2.500000, 1301, 0.000000, 0.000000, 2.500000, 2301, 0.000000, -0.100000, 2.500000, 302, 10.000000, 0.100000, 2.500000, 1302, 10.000000, 0.000000, 2.500000, 2302, 10.000000, -0.100000, 2.500000, 303, 19.999995, 0.100000, 2.500000, 1303, 20.000000, 0.000000, 2.500000, 2303, 20.000005, -0.100000, 2.500000, 304, 29.999995, 0.101000, 2.499940, 1304, 30.000000, 0.001000, 2.500000, 2304, 30.000005, -0.099000, 2.500060, 305, 39.999995, 0.101000, 2.500000, 1305, 40.000000, 0.001000, 2.500000, 2305, 40.000005, -0.099000, 2.500000, 306, 49.999990, 0.102000, 2.500000, 1306, 50.000000, 0.002000, 2.500000, 2306, 50.000010, -0.098000, 2.500000, 307, 59.999985, 0.103000, 2.500000, 1307, 60.000000, 0.003000, 2.500000, 2307, 60.000015, -0.097000, 2.500000, 308, 69.999985, 0.105000, 2.500000, 1308, 70.000000, 0.005000, 2.500000, 2308, 70.000015, -0.095000, 2.500000, 309, 79.999985, 0.106000, 2.500000, 1309, 80.000000, 0.006000, 2.500000, 2309, 80.000015, -0.094000, 2.500000, 310, 89.999980, 0.108000, 2.500000, 1310, 90.000000, 0.008000, 2.500000, 2310, 90.000020, -0.092000, 2.500000, 311, 99.999980, 0.110000, 2.500000, 1311, 100.000000, 0.010000, 2.500000, 2311, 100.000020, -0.090000, 2.500000, 401, 0.000000, 0.100000, 3.333000, 1401, 0.000000, 0.000000, 3.333000, 2401, 0.000000, -0.100000, 3.333000, 402, 10.000000, 0.100000, 3.333000, 1402, 10.000000, 0.000000, 3.333000, 2402, 10.000000, -0.100000, 3.333000, 403, 19.999995, 0.100000, 3.333000, 1403, 20.000000, 0.000000, 3.333000, 2403, 20.000005, -0.100000, 3.333000, 404, 29.999995, 0.101000, 3.333000, 1404, 30.000000, 0.001000, 3.333000, 2404, 30.000005, -0.099000, 3.333000, 405, 39.999995, 0.101000, 3.333000, 1405, 40.000000, 0.001000, 3.333000, 2405, 40.000005, -0.099000, 3.333000, 406, 49.999990, 0.102000, 3.333000, 1406, 50.000000, 0.002000, 3.333000, 2406, 50.000010, -0.098000, 3.333000, 407, 59.999985, 0.103000, 3.333000, 1407, 60.000000, 0.003000, 3.333000, 2407, 60.000015, -0.097000, 3.333000, 408, 69.999985, 0.105000, 3.333000, 1408, 70.000000, 0.005000, 3.333000, 2408, 70.000015, -0.095000, 3.333000, 409, 79.999985, 0.106000, 3.333000, 1409, 80.000000, 0.006000, 3.333000, 2409, 80.000015, -0.094000, 3.333000, 410, 89.999980, 0.108000, 3.333000, 1410, 90.000000, 0.008000, 3.333000, 2410, 90.000020, -0.092000, 3.333000, 411, 99.999980, 0.110000, 3.333000, 1411, 100.000000, 0.010000, 3.333000, 2411, 100.000020, -0.090000, 3.333000, 501, 0.000000, 0.100000, 4.167000, 1501, 0.000000, 0.000000, 4.167000, 2501, 0.000000, -0.100000, 4.167000, 502, 10.000000, 0.100000, 4.167000, 1502, 10.000000, 0.000000, 4.167000, 2502, 10.000000, -0.100000, 4.167000, 503, 19.999995, 0.100000, 4.167000, 1503, 20.000000, 0.000000, 4.167000, 2503, 20.000005, -0.100000, 4.167000, 504, 29.999995, 0.101000, 4.167000, 1504, 30.000000, 0.001000, 4.167000, 2504, 30.000005, -0.099000, 4.167000, 505, 39.999995, 0.101000, 4.167000, 1505, 40.000000, 0.001000, 4.167000, 2505, 40.000005, -0.099000, 4.167000, 506, 49.999990, 0.102000, 4.167000, 1506, 50.000000, 0.002000, 4.167000, 2506, 50.000010, -0.098000, 4.167000, 507, 59.999985, 0.103000, 4.166940, 1507, 60.000000, 0.003000, 4.167000, 2507, 60.000015, -0.097000, 4.167060, 508, 69.999985, 0.105000, 4.167000, 1508, 70.000000, 0.005000, 4.167000, 2508, 70.000015, -0.095000, 4.167000, 509, 79.999985, 0.106000, 4.166940, 1509, 80.000000, 0.006000, 4.167000, 2509, 80.000015, -0.094000, 4.167060, 510, 89.999980, 0.108000, 4.167000, 1510, 90.000000, 0.008000, 4.167000, 2510, 90.000020, -0.092000, 4.167000, 511, 99.999980, 0.110000, 4.167000, 1511, 100.000000, 0.010000, 4.167000, 2511, 100.000020, -0.090000, 4.167000, 601, 0.000000, 0.100000, 5.000000, 1601, 0.000000, 0.000000, 5.000000, 2601, 0.000000, -0.100000, 5.000000, 602, 10.000000, 0.100000, 5.000000, 1602, 10.000000, 0.000000, 5.000000, 2602, 10.000000, -0.100000, 5.000000, 603, 19.999995, 0.100000, 5.000000, 1603, 20.000000, 0.000000, 5.000000, 2603, 20.000005, -0.100000, 5.000000, 604, 29.999995, 0.101000, 5.000000, 1604, 30.000000, 0.001000, 5.000000, 2604, 30.000005, -0.099000, 5.000000, 605, 39.999995, 0.101000, 5.000000, 1605, 40.000000, 0.001000, 5.000000, 2605, 40.000005, -0.099000, 5.000000, 606, 49.999985, 0.102000, 5.000000, 1606, 50.000000, 0.002000, 5.000000, 2606, 50.000015, -0.098000, 5.000000, 607, 59.999985, 0.104000, 4.999880, 1607, 60.000000, 0.004000, 5.000000, 2607, 60.000015, -0.096000, 5.000120, 608, 69.999985, 0.105000, 5.000000, 1608, 70.000000, 0.005000, 5.000000, 2608, 70.000015, -0.095000, 5.000000, 609, 79.999985, 0.107000, 4.999880, 1609, 80.000000, 0.007000, 5.000000, 2609, 80.000015, -0.093000, 5.000120, 610, 89.999985, 0.108000, 5.000000, 1610, 90.000000, 0.008000, 5.000000, 2610, 90.000015, -0.092000, 5.000000, 611, 99.999980, 0.110000, 5.000000, 1611, 100.000000, 0.010000, 5.000000, 2611, 100.000020, -0.090000, 5.000000, *NSET,NSET=FIX,GEN 1, 601,100 1001,1601,100 2001,2601,100 *NSET,NSET=N311 1311, *ELEMENT,TYPE=SC8R 1,1,2,102,101,1001,1002,1102,1101 *ELGEN,ELSET=SHELL 1,10,1,1,6,100,100,2,1000,1000 *SHELL SECTION,ELSET=SHELL,MATERIAL=MAT, POISSON=ELASTIC 0.2, ** Dummy element to activate rotation degree of freedom for follower *ELEMENT,TYPE=S4R,ELSET=DUMMY 999999, 1410,1411,1311,1310 999998, 1310,1311,1211,1210 *SHELL SECTION,ELSET=DUMMY,MATERIAL=DUMMY 0.0001 *MATERIAL,NAME=DUMMY *ELASTIC 1.0,0.0 *MATERIAL,NAME=MAT *ELASTIC 1.0E4,0.0 *BOUNDARY FIX,1,3 *STEP,NLGEOM,INC=50,UNSYMM=YES *STATIC,RIKS 0.0005,1.0,,0.001,0.032 *CLOAD,FOLLOWER N311,3,-1.0 *EL PRINT,FREQ=0 *OUTPUT,HISTORY,FREQ=1 *NODE OUTPUT,NSET=N311 U, CF, *END STEP