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 84
... cycles 130 MPa for 108 cycles N - ( ) - N , σ = > 108 = 270 106 130 .. b = 6.3 2. From manufacturer's information or from the fatigue resistance curve , obtain the alternating stress limit for 108 cycles . σ = 130 MPa a +1.5 . ( 0.15 ) ...
... cycles 130 MPa for 108 cycles N - ( ) - N , σ = > 108 = 270 106 130 .. b = 6.3 2. From manufacturer's information or from the fatigue resistance curve , obtain the alternating stress limit for 108 cycles . σ = 130 MPa a +1.5 . ( 0.15 ) ...
Page 111
... cycle is controlled by the blunting displacement that is equal to the product of the Burgers vector and the number of dislocations from the stressed source of the crack tip . Hence , the fatigue crack growth rate is expressed by ...
... cycle is controlled by the blunting displacement that is equal to the product of the Burgers vector and the number of dislocations from the stressed source of the crack tip . Hence , the fatigue crack growth rate is expressed by ...
Page 112
... cycle . It can be seen that Eq . ( 20 ) or ( 24 ) represents a universal analytic expression for fatigue crack growth rate . In a given test condition , they take the form of Paris Equation , that is , Paris Equation is well defined by ...
... cycle . It can be seen that Eq . ( 20 ) or ( 24 ) represents a universal analytic expression for fatigue crack growth rate . In a given test condition , they take the form of Paris Equation , that is , Paris Equation is well defined by ...
Contents
OMAE99PA1135 | 19 |
OMAE99PA1141 | 39 |
PROPELLERICE INTERACTION | 53 |
Copyright | |
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Allen Bay analysis angle Arctic Engineering ASME average boundary brittle calculated Canada channel coefficient component compressive cone Confederation Bridge Conference on Offshore contact area Copyright 1999 crack creep creep deformation crushed deformation density determined diameter distribution dynamic effect equation estimate failure stress Figure floes fracture frequency friction frozen soil full scale gas hydrate Grand Banks horizontal hydrodynamic ice block ice class ice conditions ice force ice loads ice pieces ice sheet ice strength ice thickness iceberg iceberg management icebreaker increase indentation tests indentor interaction layer level ice maximum measured Mechanics and Arctic mm/s Newfoundland Northern Sea Route observed Offshore Mechanics parameters peak Pechora Sea piers pipeline planetary boundary layer predicted pressure ratio Research resistance rubble Sakhalin salinity scantlings scour sea ice sensors shape shear ship shows speed stamukha surface temperature thrust torque values velocity vertical water depth width wind zone