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 56
... stress ( b ) and estimated fracture stress ( oest ) . ɛc the critical strain is calculated as = keɛnom where hom is the nominal strain at failure ( enom = ost / E ) , ke is obtained from Eq . 3 ) and Hagiwara's equation for Figs . 8 and ...
... stress ( b ) and estimated fracture stress ( oest ) . ɛc the critical strain is calculated as = keɛnom where hom is the nominal strain at failure ( enom = ost / E ) , ke is obtained from Eq . 3 ) and Hagiwara's equation for Figs . 8 and ...
Page 167
... stress range Ao is determined . The stress ranges thus determined are shown in Table 2 for hot spots on brace and main pipe and inner surface of brace at heel , toe , front side and back side positions . These stress ranges occur once ...
... stress range Ao is determined . The stress ranges thus determined are shown in Table 2 for hot spots on brace and main pipe and inner surface of brace at heel , toe , front side and back side positions . These stress ranges occur once ...
Page 180
... stress range defined in Eq . 6 , which is called as weighted average stress range in some paper [ 14 , 15 ] . By applying the model based on weighted average stress range , we can estimate fatigue life under random ice loading through ...
... stress range defined in Eq . 6 , which is called as weighted average stress range in some paper [ 14 , 15 ] . By applying the model based on weighted average stress range , we can estimate fatigue life under random ice loading through ...
Contents
SPECTRAL MODELLING OF WAVES | 1 |
RISK ANALYSIS | 33 |
PROBABILISTIC MODELLING OF WAVES | 99 |
Copyright | |
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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