Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3American Society of Mechanical Engineers, 2002 - Arctic regions |
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Page 39
... present in stud and studless chain links prior to operation to compare the fatigue life predicted by the traditional design methodology with the one predicted considering the residual stresses states present before operation . Numeric ...
... present in stud and studless chain links prior to operation to compare the fatigue life predicted by the traditional design methodology with the one predicted considering the residual stresses states present before operation . Numeric ...
Page 45
... present a similar behavior ( similar predicted life , but distinct critical regions ) : the predicted life of the studless chain link was 1,5 higher than for the stud chain link . However , the elastoplastic models present a very ...
... present a similar behavior ( similar predicted life , but distinct critical regions ) : the predicted life of the studless chain link was 1,5 higher than for the stud chain link . However , the elastoplastic models present a very ...
Page 366
... present study for internal overpressure . In order to maintain compatibility with the previously pro- posed design criterion for risers with external overpressure , it was decided in the present study that the a , factor should also be ...
... present study for internal overpressure . In order to maintain compatibility with the previously pro- posed design criterion for risers with external overpressure , it was decided in the present study that the a , factor should also be ...
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alloys analysis applied approximately assessment bending calculated carried coating compared composite compressive considered corrosion crack crack growth curve cycles damage defect deformation depth determined developed direction distribution effect element Engineering equation estimated evaluation experience factor failure fatigue field Figure flaw flexible fracture function geometry given Grade heat higher hydrogen important increase initial installation insulation integrity International joint length limit load locations lower material maximum mean measured mechanical method observed obtained Offshore operation parameters performed pipe plate predicted present pressure problem procedure production properties range reliability residual resistance respectively riser rope safety samples shown shows side simulation solution specimens standard steel strain strength stress structure surface Table temperature tensile tension thermal thickness titanium toughness uncertainties variables weld