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 60
... microcracks , the normals of whose follow several directions in the space . The proposed theory describes the ... microcracks nucleate suddenly and that the diameters of the formed microcracks are of the same order as individual crystals ...
... microcracks , the normals of whose follow several directions in the space . The proposed theory describes the ... microcracks nucleate suddenly and that the diameters of the formed microcracks are of the same order as individual crystals ...
Page 62
... microcracks and ( b ) the small size of the microcracks compared to the size of the body the general state of stress in the body can be assumed to be constant during the nucleation of the new microcracks . Because of the small size of ...
... microcracks and ( b ) the small size of the microcracks compared to the size of the body the general state of stress in the body can be assumed to be constant during the nucleation of the new microcracks . Because of the small size of ...
Page 63
... microcracks , which produce a complex stress field with remarkable stress peaks . Furthermore the ' effective area ' of the material is smaller compared that of pure ice because of the reduced load - carrying capacity of microdefects ...
... microcracks , which produce a complex stress field with remarkable stress peaks . Furthermore the ' effective area ' of the material is smaller compared that of pure ice because of the reduced load - carrying capacity of microdefects ...
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