Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 18, Part 5American Society of Mechanical Engineers, 1999 - Arctic regions |
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Page 109
... crack growth is deduced in detail by means of dislocation dynamic theory , thermal activation theory and velocity process theory , with the two test constants in Paris equation being determined theoretically and explained by the ...
... crack growth is deduced in detail by means of dislocation dynamic theory , thermal activation theory and velocity process theory , with the two test constants in Paris equation being determined theoretically and explained by the ...
Page 111
THE THEORY OF FATIGUE CRACK PROPAGATION The propagation of a fatigue crack is due to the result of blunting ( as the stress increases ) and resharpening ( as the stress decreases ) of the crack tip in cyclic stress field . In terms of ...
THE THEORY OF FATIGUE CRACK PROPAGATION The propagation of a fatigue crack is due to the result of blunting ( as the stress increases ) and resharpening ( as the stress decreases ) of the crack tip in cyclic stress field . In terms of ...
Page 314
... cracks . Splay cracks are sets of secondary cracks that stem from one side of a sliding parent crack . They are about the size of the grain and generally tend toward the direction of the maximum principal stress in a manner similar to wing ...
... cracks . Splay cracks are sets of secondary cracks that stem from one side of a sliding parent crack . They are about the size of the grain and generally tend toward the direction of the maximum principal stress in a manner similar to wing ...
Contents
OMAE99PA1135 | 19 |
OMAE99PA1141 | 39 |
PROPELLERICE INTERACTION | 53 |
Copyright | |
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analysis angle applied Arctic ASME assumed average blade block boundary calculated Canada channel coefficient component conducted considered constant Copyright crack creep crushed dependence depth determined direction distribution effect Engineering equation estimate experiments factor failure field Figure floes flow force frequency friction function given height horizontal ice force ice loads ice sheet ice thickness iceberg icebreaker included increase indentation indentor interaction International layer length material maximum mean measured Mechanics method Newfoundland observed obtained occurred Offshore operations parameters peak performance predicted present pressure propeller range ratio region Report Research resistance salinity scale scour shape shear ship shown shows similar soil speed stamukha strain strength stress structure surface Table temperature tests thrust torque values vertical wave width wind zone