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
... cracks are quickly propagated and become unstable at low temperatures ( Kitsunai , 1985 ) . Therefore , to prevent unstable fractures , reliable data on Chuntu Liu Institute of Mechanics , CAS ... fatigue crack growth rate dal dN as a 109.
... cracks are quickly propagated and become unstable at low temperatures ( Kitsunai , 1985 ) . Therefore , to prevent unstable fractures , reliable data on Chuntu Liu Institute of Mechanics , CAS ... fatigue crack growth rate dal dN as a 109.
Page 113
... fatigue cracks in steel A537 and crack propagation resistance near the threshold region increase with the decrease of temperatures ; 2 ) The stable fatigue crack propagation in steel A537 follows the Paris law , but the Paris exponent n ...
... fatigue cracks in steel A537 and crack propagation resistance near the threshold region increase with the decrease of temperatures ; 2 ) The stable fatigue crack propagation in steel A537 follows the Paris law , but the Paris exponent n ...
Page 115
... fatigue crack . The AK indicates that the crack th fc initiates and begins to propagate . The AK means that it propagates fast from stable stage to unstable one or means that the brittle fracture begins . The AK value at the pivot point ...
... fatigue crack . The AK indicates that the crack th fc initiates and begins to propagate . The AK means that it propagates fast from stable stage to unstable one or means that the brittle fracture begins . The AK value at the pivot point ...
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