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 206
2. THEORETICAL BACKGROUND Stress intensity factor for any cracked geometry depends on the crack geometry and loading conditions . For the multiple crack problems , there are much more geometry and loading combinations compared to single ...
2. THEORETICAL BACKGROUND Stress intensity factor for any cracked geometry depends on the crack geometry and loading conditions . For the multiple crack problems , there are much more geometry and loading combinations compared to single ...
Page 311
... crack initiation phase , stable crack propagation phase and final failure unstable crack propagation . The first phase covers the crack initiation and the early crack growth state including cyclic plastic deformation prior to crack ...
... crack initiation phase , stable crack propagation phase and final failure unstable crack propagation . The first phase covers the crack initiation and the early crack growth state including cyclic plastic deformation prior to crack ...
Page 487
... crack is short , and fracture mechanics analysis is not practical . FRACTURE MECHANICS ANALYSIS Fatigue crack growth is governed by the cyclic variation of the stress - strain field close to the crack tip . Hence cycle by cycle growth ...
... crack is short , and fracture mechanics analysis is not practical . FRACTURE MECHANICS ANALYSIS Fatigue crack growth is governed by the cyclic variation of the stress - strain field close to the crack tip . Hence cycle by cycle growth ...
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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