Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 5-6American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 40
... natural frequency , stress range etc. • The present design format is less strict compared to DNV'81 and provides designs with more uniform ( and acceptable ) reliability levels . • The simple comparison implied that the present format ...
... natural frequency , stress range etc. • The present design format is less strict compared to DNV'81 and provides designs with more uniform ( and acceptable ) reliability levels . • The simple comparison implied that the present format ...
Page 129
... natural circular frequency w the iterative calculations are carried out to obtain the coupled natural frequencies and natural mode shapes . " RESULTS AND DISCUSSION The results obtained from the experimental modal analysis and coupled ...
... natural circular frequency w the iterative calculations are carried out to obtain the coupled natural frequencies and natural mode shapes . " RESULTS AND DISCUSSION The results obtained from the experimental modal analysis and coupled ...
Page 134
... natural heave frequency is the lowest natural frequency , and that other all natural frequencies of elastic modes are higher . The heave natural frequency is determined from the distributed mass and restoring spring constant of the ...
... natural heave frequency is the lowest natural frequency , and that other all natural frequencies of elastic modes are higher . The heave natural frequency is determined from the distributed mass and restoring spring constant of the ...
Contents
FREE SPANNING PIPELINEMULTISPAN PROJECTS | 11 |
Design Guideline for Free Spanning Pipelines | 28 |
RELIABILITY DESIGN SUPERB AND DNV96 PROJECTS | 45 |
Copyright | |
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amplitude analysis ASME axial beam bending bending moment bottom boundary calculated characteristics coefficient collapse condition corrosion cross-flow defect deformation density Det Norske Veritas developed diameter displacement dynamic elastic electrodes Engineering equation evaluated experimental fatigue Figure floating airport flow rate fluid force free span function hoop stress horizontal hydrodynamic Hydroelastic impeller in-line VIV incident waves inspection instability region installation interaction Japan large floating structure length limit limit state design linepipe load effects maximum measured Mega-Float meter method mode mooring motion natural frequencies node numerical obtained Offshore parameters phase pipe predicted pressure distribution ratio reduced velocity reliability response safety class safety factors safety levels sand wave seabed simulation Statoil steel strain stress surface Table temperature thickness titanium trawl turbulence two-phase flow uncertainty velocity potential vertical vibration VLFS Vortex Induced Vibrations water depth wave height welding