Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4; Volume 8, Part 4American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 31
... material properties of ice are incorporated . From an acoustics perspective , these material properties are frequency dependent and require a test apparatus that is more complex than static material property measurement systems . The ...
... material properties of ice are incorporated . From an acoustics perspective , these material properties are frequency dependent and require a test apparatus that is more complex than static material property measurement systems . The ...
Page 49
... material constants and σe is the effective stress , which depends on the creep properties of the ice . The viscous strain - rate can be calculated from this creep potential function W as follows ( Betten , 1984 and 1986 ) Ոչ an are έπ ...
... material constants and σe is the effective stress , which depends on the creep properties of the ice . The viscous strain - rate can be calculated from this creep potential function W as follows ( Betten , 1984 and 1986 ) Ոչ an are έπ ...
Page 411
... material scientists to determine material hardness , Tabor ( 1948 ) , Hill ( 1950 ) , Barnes , Tabor and Walker ( 1971 ) . Until recently , it was assumed that the material yielded under the indentation at approximately three times the ...
... material scientists to determine material hardness , Tabor ( 1948 ) , Hill ( 1950 ) , Barnes , Tabor and Walker ( 1971 ) . Until recently , it was assumed that the material yielded under the indentation at approximately three times the ...
Contents
OFFSHORE MECHANICS | 1 |
The Growth of Radial Cracks in Ice Sheets | 7 |
ICE FORCES | 11 |
Copyright | |
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analysis angle Arctic Engineering assumed Barents Sea Beaufort Sea behaviour berm Bjørnøya calculated coefficient Cole components computed Conference on Offshore constant constitutive equation damage evolution damage model deformation density depth determined diameter distribution dynamic effect energy equation experimental factor failure force fracture mechanics fracture toughness frequency friction function Geogrid grain horizontal ice floe ice load ice sheet ice thickness iceberg icebreaking impact increase indentor initial interaction keel material maximum measured Mechanics and Arctic Mellor microcracks modulus motion notch nucleation observed obtained ocean Offshore Mechanics parameters peak stress plane polycrystalline ice predicted pressure probability Proc radar ratio resistance ridge samples sea ice seabed shear shear stress ship shown in Figure simulation specimen spray ice strain rate strain tensor strength structure surface temperature tensile tensile stress tensor tests uniaxial compression variable vector velocity vertical wave Young's modulus