A general set of 3-D dynamic field equations for a cable segment is derived based on the classical Euler-Kirchhoff theory of an elastica. The model includes flexural stiffness to remove the potential singularity when cable tension vanishes and can be reduced to the equations for a perfectly flexible cable. A hybrid model and a solution scheme by direct integration are then proposed to solve the oceanic cable/body system with a localized low-tension region. Numerical examples demonstrate the capability and validity of the formulation and the numerical algorithm.
Dynamics of ocean cables with local low-tension regions
Das dynamische Verhalten von Meereskabeln mit lokalen Niedrig-Zug-Bereichen
Ocean Engineering ; 25 , 6 ; 443-463
1998
21 Seiten, 17 Bilder, 12 Quellen
Aufsatz (Zeitschrift)
Englisch
Meerestechnik , Kabelschiff , dynamisches Verhalten , dreiachsiger Spannungszustand , Dehnung , Bewegungsgleichung , Euler-Gleichung , elastische Eigenschaft , Biegesteifigkeit , Rechenmodell , Singularität (Mathematik) , Lösung (Mathematik) , Matrix (Zahlenschema) , Integration (Mathematik) , Algorithmus , Kabelverlegung , Verifikation
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