Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 2-3American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 231
... growth is P When a > 10d and a < ath , then the probability of growth is P = 0 . و = 1 . Taylor ( 1984 ) measured the probability of cracks shorter than 10d continuing to propagate and con- stucted histograms of probability of crack ...
... growth is P When a > 10d and a < ath , then the probability of growth is P = 0 . و = 1 . Taylor ( 1984 ) measured the probability of cracks shorter than 10d continuing to propagate and con- stucted histograms of probability of crack ...
Page 246
... growth rate between r¿ and dr , in the time interval t given the measured growth rate 7 , in the time interval z , f ( r , F ) dr ,, can be derived from the inspection uncertainty . Hence the independent random variables of this ...
... growth rate between r¿ and dr , in the time interval t given the measured growth rate 7 , in the time interval z , f ( r , F ) dr ,, can be derived from the inspection uncertainty . Hence the independent random variables of this ...
Page 225
... GROWTH RATE IN SURFACE DIRECTION . EACH SYMBOL DENOTES INDIVIDUAL TEST RESULTS crack growth rale , dc / dN [ m / cycle ] 10 ° 10 outer inner outer ! 10 ° 0 5 10 15 Ouder 150 MP 175 MPa 200 MPS · · o 20 inner crack tip separation ...
... GROWTH RATE IN SURFACE DIRECTION . EACH SYMBOL DENOTES INDIVIDUAL TEST RESULTS crack growth rale , dc / dN [ m / cycle ] 10 ° 10 outer inner outer ! 10 ° 0 5 10 15 Ouder 150 MP 175 MPa 200 MPS · · o 20 inner crack tip separation ...
Contents
SPECTRAL MODELLING OF WAVES | 1 |
RISK ANALYSIS | 33 |
PROBABILISTIC MODELLING OF WAVES | 99 |
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alloys aluminium analysis applied ASME assessment base metal bending brittle fracture calculated coefficient corrosion fatigue crack arrestability crack depth crack growth crack tip CTOD curve damage defects deformation dent Det Norske Veritas developed distribution dynamic earthquake effect energy Engineering equation estimated evaluated factor failure fatigue crack Figure fracture mechanics fracture toughness frequency function heat increase initiation inspection Japan maintenance martensitic material maximum mbar measured mechanical properties method notch observed obtained offshore structures OMAE parameters peening performed pipe plastic platform prediction pressure procedure ratio reliability response risers S-N curve safety sea water seismic shielding gas ship shown in Fig simulation single-sided welds specimens spectra spectrum statistical steel plate strain stress range surface Table temperature tensile toughness tubular underwater underwater welding vertical wave height Weibull distribution weld metal welded joints width yield strength yield stress