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  1. cavatina

    Is the sagbend load controlled?

    hi every one, The overbend is displacment controlled, because it conforms to the stinger geometry, therfore strain based deign (SBD) can be used (Equation 5.25 and 5.26 of DNV OS-F101 Sec. 5) Now to the sagbend: Regarding that its curvature is a function of tensioner force, can one still assume...
  2. cavatina

    Does a stone sinking in ocean get crushed?!

    assume u have a thin walled steel cylinder (1 m Dia and 10 m length for example). it is anchored to the seabed. if the water depth in the location is 2000 m, the cylinder will probably be crushed by hydrostatic pressure. now assume you let a stone submerge in an ocean with infinite depth. the...
  3. cavatina

    Vessel motions during pipelaying

    I am starting my graduate research. It should be something about subsea pipelines. Is it common to consider Vessel motions during pipelaying? Or are the stresses during installation considered in an unrealistic static condition? Do you think the considering vessel motions will result in very...
  4. cavatina

    Spool?

    What is a Spool? What does it do? i gather it has different meanings regarding Pipelines.

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