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 227
domain , with a distortion signal containing bands of frequencies located at the harmonics of the dominant frequency of antenna motion . Decomposition of the received radar signals into its components , i.e. the doppler radar spectrum ...
domain , with a distortion signal containing bands of frequencies located at the harmonics of the dominant frequency of antenna motion . Decomposition of the received radar signals into its components , i.e. the doppler radar spectrum ...
Page 295
... frequency wp wp peak wave frequency ( s − 1 ) = In general , iceberg surge response transfer functions do not vary abruptly with wave frequency ; thus , equation 6 is likely to be a reasonable approximation . Introduction of ...
... frequency wp wp peak wave frequency ( s − 1 ) = In general , iceberg surge response transfer functions do not vary abruptly with wave frequency ; thus , equation 6 is likely to be a reasonable approximation . Introduction of ...
Page 463
... frequency spec- trum for each test was then compared with the calcu- lated breaking frequency of the ice , fb , where V #b =・* platform motion was more responsive in surge than in pitch or heave . In contrast , for the fixed platform ...
... frequency spec- trum for each test was then compared with the calcu- lated breaking frequency of the ice , fb , where V #b =・* platform motion was more responsive in surge than in pitch or heave . In contrast , for the fixed platform ...
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