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 27
... mass decrease . Response Model A semi - empirical relationship is proposed to predict the reduced velocity at onset of cross - flow VIV taking into account the effect of specific mass , stability parameter and gap ratio . The ...
... mass decrease . Response Model A semi - empirical relationship is proposed to predict the reduced velocity at onset of cross - flow VIV taking into account the effect of specific mass , stability parameter and gap ratio . The ...
Page 93
... mass : 2.8 Ch 2.8 Ch 1.8 Ch 3.4 m , [ kg ] 3500 2300 1525 7000 " In plane stiffness : k , [ MN / m ] 500 500 500 Hydrodyn . mass : m . [ kg ] 2.14 m , 1.60 m , 2.90 m , Bending stiffness : k [ MN / m ] 10 10 10 PIPELINE RESPONSE ...
... mass : 2.8 Ch 2.8 Ch 1.8 Ch 3.4 m , [ kg ] 3500 2300 1525 7000 " In plane stiffness : k , [ MN / m ] 500 500 500 Hydrodyn . mass : m . [ kg ] 2.14 m , 1.60 m , 2.90 m , Bending stiffness : k [ MN / m ] 10 10 10 PIPELINE RESPONSE ...
Page 101
... mass matrix and the distribution of mass are represented by D ,, M , and w ( x ) , respectively . Further , m , and N , are defined as added - mass and damping matrices . The equations above are following the two - dimensional approach ...
... mass matrix and the distribution of mass are represented by D ,, M , and w ( x ) , respectively . Further , m , and N , are defined as added - mass and damping matrices . The equations above are following the two - dimensional approach ...
Contents
FREE SPANNING PIPELINEMULTISPAN PROJECTS | 11 |
Design Guideline for Free Spanning Pipelines | 28 |
RELIABILITY DESIGN SUPERB AND DNV96 PROJECTS | 45 |
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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