Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 4American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 136
... velocity , ( c ) at medium ice velocity , ( d ) at high ice velocity . Contact 150 ¿ u ( z , t ) 100 Th u c Z c 50 phenomena Z 0 0 50 100 = V ca h = 100 mm ( d ) 150 200 250 Figure 2 : Displacement parameters . interaction between the ...
... velocity , ( c ) at medium ice velocity , ( d ) at high ice velocity . Contact 150 ¿ u ( z , t ) 100 Th u c Z c 50 phenomena Z 0 0 50 100 = V ca h = 100 mm ( d ) 150 200 250 Figure 2 : Displacement parameters . interaction between the ...
Page 139
... velocity v ( mm / s ) Toyama et al Määttänen ( a ) Määttänen ( b ) A Figure 6 : Plot of velocity amplitudes at the ice - structure interface . Indentation data from laboratory tests . ca 300 250 200 ( mm / s ) 150 Kärnä et al 100 Kärnä ...
... velocity v ( mm / s ) Toyama et al Määttänen ( a ) Määttänen ( b ) A Figure 6 : Plot of velocity amplitudes at the ice - structure interface . Indentation data from laboratory tests . ca 300 250 200 ( mm / s ) 150 Kärnä et al 100 Kärnä ...
Page 156
... velocity relative to the ice ai velocity , uai u u - a " i ' - ú1 , and u1w is the ice velocity iw - relative to the current - → velocity , - , u iw + Both C and the wind velocity , u are measured at a 1 a some elevation above the ice ...
... velocity relative to the ice ai velocity , uai u u - a " i ' - ú1 , and u1w is the ice velocity iw - relative to the current - → velocity , - , u iw + Both C and the wind velocity , u are measured at a 1 a some elevation above the ice ...
Contents
OFFSHORE TECHNOLOGY PART | 3 |
ARCTIC STRUCTURES AND OPERATIONS II | 31 |
ICE STRUCTURE INTERACTION I | 75 |
Copyright | |
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analysis angle average Barents Sea beam behavior bergy bit Bohai Sea boundary conditions calculated Canada coefficient computed crack creep buckling crushing deflection deformation density displacement Dow's Lake drilling dynamic effect elastic energy equation ESARC experimental finite element finite element analysis flexural failure floating ice sheet floe fluid foundation fracture toughness freezing frequency grain heat Hobson's Choice horizontal ice cover ice forces ice island ice load ice shedding ice sheet ice temperature ice thickness iceberg icebreaking impact indentation indentor initial interaction locations maximum measured Mechanics method mode modulus Northumberland Strait notch nucleation numerical obtained Offshore parameters permafrost plane platform pore porosity predicted pressure Public Works Canada ratio response ridge saline sample sea ice SED criterion sensors shown in Figure Simulated Sinha soil solution specimens strain rate strength structure tests values vertical vibration Young's modulus