------------------------------------------------------------ OUTPUT OF FATIGUE ANALYSIS OTC Typhoon ------------------------------------------------------------ ------------------------------------------------------------ CONSTANTS FOR FATIGUE CURVE: N = (A/S)**B STRESS IN PASCAL, N/m**2 ------------------------- A = 0.26940E+10 B = 4.380 CONCENTRATION FACTOR = 1.1000 ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ SINGLE-FREQUENCY RESPONSE ------------------------------------------------------------ MODE NUMBER = 1 FREQUENCY = 0.0373 (Hz) MIN. FATIGUE LIFE = 0.5105E+14 (yr) AT X = 697.74 (m) ------------------------------------------------------------ MODE NUMBER = 2 FREQUENCY = 0.0732 (Hz) MIN. FATIGUE LIFE = 0.2665E+07 (yr) AT X = 745.04 (m) ------------------------------------------------------------ MODE NUMBER = 3 FREQUENCY = 0.0992 (Hz) MIN. FATIGUE LIFE = 0.2407E+13 (yr) AT X = 780.52 (m) ------------------------------------------------------------ MODE NUMBER = 4 FREQUENCY = 0.1368 (Hz) MIN. FATIGUE LIFE = 0.1624E+10 (yr) AT X = 804.17 (m) ------------------------------------------------------------ MODE NUMBER = 5 FREQUENCY = 0.1765 (Hz) MIN. FATIGUE LIFE = 0.2154E+08 (yr) AT X = 816.00 (m) ------------------------------------------------------------ MODE NUMBER = 6 FREQUENCY = 0.2149 (Hz) MIN. FATIGUE LIFE = 0.1131E+06 (yr) AT X = 827.83 (m) ------------------------------------------------------------ MODE NUMBER = 7 FREQUENCY = 0.2551 (Hz) MIN. FATIGUE LIFE = 0.1844E+04 (yr) AT X = 833.74 (m) ------------------------------------------------------------ MODE NUMBER = 8 FREQUENCY = 0.2968 (Hz) MIN. FATIGUE LIFE = 0.8525E+02 (yr) AT X = 839.65 (m) ------------------------------------------------------------ MODE NUMBER = 9 FREQUENCY = 0.3404 (Hz) MIN. FATIGUE LIFE = 0.7094E+01 (yr) AT X = 842.61 (m) ------------------------------------------------------------ MODE NUMBER = 10 FREQUENCY = 0.3853 (Hz) MIN. FATIGUE LIFE = 0.9991E+00 (yr) AT X = 845.57 (m) ------------------------------------------------------------ MODE NUMBER = 11 FREQUENCY = 0.4316 (Hz) MIN. FATIGUE LIFE = 0.1874E+00 (yr) AT X = 848.52 (m) ------------------------------------------------------------ MODE NUMBER = 12 FREQUENCY = 0.4777 (Hz) MIN. FATIGUE LIFE = 0.6452E-01 (yr) AT X = 851.48 (m) ------------------------------------------------------------ MODE NUMBER = 13 FREQUENCY = 0.5253 (Hz) MIN. FATIGUE LIFE = 0.5200E-01 (yr) AT X = 854.43 (m) ------------------------------------------------------------ MODE NUMBER = 14 FREQUENCY = 0.5790 (Hz) MIN. FATIGUE LIFE = 0.2422E+01 (yr) AT X = 854.43 (m) ------------------------------------------------------------ MODE NUMBER = 15 FREQUENCY = 0.6369 (Hz) MIN. FATIGUE LIFE = 0.2521E+05 (yr) AT X = 857.39 (m) ------------------------------------------------------------ MODE NUMBER = 16 FREQUENCY = 0.6970 (Hz) MIN. FATIGUE LIFE = 0.2117E+04 (yr) AT X = 860.35 (m) ------------------------------------------------------------ MODE NUMBER = 17 FREQUENCY = 0.7594 (Hz) MIN. FATIGUE LIFE = 0.1147E+03 (yr) AT X = 860.35 (m) ------------------------------------------------------------ MODE NUMBER = 18 FREQUENCY = 0.8247 (Hz) MIN. FATIGUE LIFE = 0.2493E+04 (yr) AT X = 860.35 (m) ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ MULTI-FREQUENCY RESPONSE ------------------------------------------------------------ MINIMUM FATIGUE LIFE = 0.6619E+01 (yrs) AT LOCATION X = 851.48 (m) FROM TOP ------------------------------------------------------------ STRESS CONTRIBUTION BY EACH MODE IN THE MINIMUM FATIGUE LIFE ------------------------------------------------------------ MODE NUMBER STRESS (N/m^2) ------------------------------------------------------------ 1 0.1211E+05 2 0.4030E+06 3 0.1585E+05 4 0.8875E+05 5 0.2529E+06 6 0.8847E+06 7 0.2357E+07 8 0.4882E+07 9 0.8728E+07 10 0.1415E+08 11 0.2378E+08 12 0.3080E+08 13 0.2851E+08 14 0.1011E+08 15 0.1153E+07 16 0.1899E+07 17 0.3383E+07 18 0.1517E+07 ------------------------------------------------------------