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 53
... strain , ɛy = σy / E E : Young's Modulus This equation is dependent on a parameter E , so called local strain . The estimation of ε is made from a non cracked specimen and is estimated from a parameter ke , i.e. , average strain ...
... strain , ɛy = σy / E E : Young's Modulus This equation is dependent on a parameter E , so called local strain . The estimation of ε is made from a non cracked specimen and is estimated from a parameter ke , i.e. , average strain ...
Page 286
... Strain rate ( 1 / s ) ( a ) Lower yield stress 800 Pre - strain 10 % 700 ggggg Tensile strength σT ( MPa ) SN490 101 Pre - strain 0 % 5 % 10 % Ο ΠΔ SM490 - high N △ 600 500 5 % 0 % 400 10-5 10-3 10-1 www 101 Strain rate ( 1 / s ) ( b ) ...
... Strain rate ( 1 / s ) ( a ) Lower yield stress 800 Pre - strain 10 % 700 ggggg Tensile strength σT ( MPa ) SN490 101 Pre - strain 0 % 5 % 10 % Ο ΠΔ SM490 - high N △ 600 500 5 % 0 % 400 10-5 10-3 10-1 www 101 Strain rate ( 1 / s ) ( b ) ...
Page 287
strains near the notch tip was recorded with a series of small strain gages with gage length 1 mm as illustrated in Fig . 6. Alternative strain gage with gage length 5 mm was located at a distance of 80mm apart from the notch to measure ...
strains near the notch tip was recorded with a series of small strain gages with gage length 1 mm as illustrated in Fig . 6. Alternative strain gage with gage length 5 mm was located at a distance of 80mm apart from the notch to measure ...
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