UNIT METER KG JOINT COORDINATES 1 0 0 0; 2 0.5 0 0; 3 0 2 0; 4 0.5 2 0; 5 0.25 0 0; 6 0.25 2 0; 7 0 0.5 0; 8 0 1 0; 9 0 1.5 0; 10 0.5 0.5 0; 11 0.5 1 0; 12 0.5 1.5 0; 13 0.25 0.5 0; 14 0.25 1 0; 15 0.25 1.5 0; MEMBER INCIDENCES 3 1 5; 4 5 2; 5 2 10; 6 10 11; 7 11 12; 8 12 4; 9 4 6; 10 6 3; 11 3 9; 12 9 8; 13 8 7; 14 7 1; 15 5 13; 16 13 14; 17 14 15; 18 15 6; ELEMENT INCIDENCES SHELL 1 1 2 4 3; ELEMENT PROPERTY 1 THICKNESS 0.003 DEFINE MATERIAL START ISOTROPIC STEEL E 2.09042e+010 POISSON 0.3 DENSITY 7833.41 ALPHA 1.2e-005 DAMP 0.03 END DEFINE MATERIAL MEMBER PROPERTY INDIAN 3 TO 18 TABLE ST ISA45X45X5 CONSTANTS BETA 225 MEMB 5 TO 8 11 TO 14 MATERIAL STEEL ALL SUPPORTS 1 TO 15 FIXED LOAD 1 LOADTYPE Dead TITLE DL SELFWEIGHT Y -1 LOAD 2 LOADTYPE Live TITLE LL UNIT METER KN ELEMENT LOAD 1 TRAP GZ JT 25 25 50 50 MEMBER LOAD 5 TRAP GZ 20 25 6 TRAP GZ 25 30 7 TRAP GZ 30 35 8 TRAP GZ 35 40 11 TRAP GZ 40 35 12 TRAP GZ 35 30 13 TRAP GZ 30 25 14 TRAP GZ 25 20 ELEMENT LOAD 1 TRAP JT 25 50 50 25 LOAD COMB 3 DL+FL 1 1.5 2 1.5 PERFORM ANALYSIS PARAMETER 1 CODE INDIAN CHECK CODE MEMB 5 TO 8 11 TO 14 FINISH