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 51
... Young's modulus E and Poisson's ratio v , have generally accepted values , temperature T and brine volume v can be measured and the orthotropy ratios a23 and 031 are self - evident constants . Before we start to determine these ...
... Young's modulus E and Poisson's ratio v , have generally accepted values , temperature T and brine volume v can be measured and the orthotropy ratios a23 and 031 are self - evident constants . Before we start to determine these ...
Page 63
... Young's modulus ' ) of the body . Although ice is very brittle material some instantaneous plastic deformation may exist during microcrack nucleation . Tehrefore , there is a reasonable cause to add the plastic deformation energy pl to ...
... Young's modulus ' ) of the body . Although ice is very brittle material some instantaneous plastic deformation may exist during microcrack nucleation . Tehrefore , there is a reasonable cause to add the plastic deformation energy pl to ...
Page 70
... elastic modulus . Equating the rate at which energy is available for damage ( 6 ) to that required for crack formation ( 9 ) yields THE INFLUENCE OF CREEP ON PEAK STRESS The above model does not consider the influence of temperature or ...
... elastic modulus . Equating the rate at which energy is available for damage ( 6 ) to that required for crack formation ( 9 ) yields THE INFLUENCE OF CREEP ON PEAK STRESS The above model does not consider the influence of temperature or ...
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