Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 1; Volume 7, Part 1American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 88
Vibration direction ( x ) ( bending ) ( bending ) torsion ( bending ) ( bending ) 10.76 29.90 39.30 14.08 31.851 33.90 Table 4 . Results of Modal Analysis of Jack - Up Platform Model Mode No. 1 2 3 4 5 - 27.69 37.82 Natural frequency ...
Vibration direction ( x ) ( bending ) ( bending ) torsion ( bending ) ( bending ) 10.76 29.90 39.30 14.08 31.851 33.90 Table 4 . Results of Modal Analysis of Jack - Up Platform Model Mode No. 1 2 3 4 5 - 27.69 37.82 Natural frequency ...
Page 361
( 2 ) s X ( w ) P - M Spectrum sew ) ( mos ) siw ) most important for engineering design , there are some results of deflection and bending stresses envelope curves along the riser are given in fig . 8 . Comparing this results with the ...
( 2 ) s X ( w ) P - M Spectrum sew ) ( mos ) siw ) most important for engineering design , there are some results of deflection and bending stresses envelope curves along the riser are given in fig . 8 . Comparing this results with the ...
Page 371
1007 80 acceleration and surge to the very large bending response encountered above , the dynamic response under appropriate variations of the above excitation condition is simulated and is summarized in Table 4.
1007 80 acceleration and surge to the very large bending response encountered above , the dynamic response under appropriate variations of the above excitation condition is simulated and is summarized in Table 4.
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Contents
FLOATING PRODUCTION SYSTEMS | 1 |
OFFSHORE MECHANICS | 23 |
Early Production Systems in the North | 31 |
Copyright | |
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analysis angle applied axial bending cable calculated characteristics coefficient components Conference connected considered construction cost curve damage depth determined diameter direction displacement distribution dynamic effect element energy Engineering equation equipment fatigue field Figure flexible flow forces frequency function geometry given important included increase installation International joint length limit linear load lower mass material matrix maximum mean measured Mechanics method mode mooring motion natural normal obtained Offshore operation parameters performance period pile pipe pipeline platform position presented pressure problem production range ratio response riser shear shown shows significant soil static stiffness strength stress structure surface Table Technology tension tower turbine unit vane vessel wave weight wire