Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
On the dynamics of oceanographic surface moorings
An analytical model is proposed for predicting the dynamics of instrumented oceanographic surface moorings made up of a combination of wire rope and compliant synthetic rope. The model simplifies the problem by treating only the vertical motion of the buoy and the longitudinal motion of the mooring line and attached instruments. It is demonstrated using full-scale experimental data and numerical simulations, that the simplified model captures all of the important dynamic effects and gives accurate predictions of the dynamic tension at the top of the mooring line. The model shows that the total mass and damping of the instruments and wire rope that make up the stiff upper half of the mooring are the major sources of the dynamic tension. Damping of the instruments becomes a significant factor in larger sea states, especially near the peak frequency of the wave spectrum. Elastic stretching of the wire and synthetic rope make up approximately 10 % of the total response. This is based on a coefficient of friction equal to 0.003 which fits the experimental data best.
On the dynamics of oceanographic surface moorings
An analytical model is proposed for predicting the dynamics of instrumented oceanographic surface moorings made up of a combination of wire rope and compliant synthetic rope. The model simplifies the problem by treating only the vertical motion of the buoy and the longitudinal motion of the mooring line and attached instruments. It is demonstrated using full-scale experimental data and numerical simulations, that the simplified model captures all of the important dynamic effects and gives accurate predictions of the dynamic tension at the top of the mooring line. The model shows that the total mass and damping of the instruments and wire rope that make up the stiff upper half of the mooring are the major sources of the dynamic tension. Damping of the instruments becomes a significant factor in larger sea states, especially near the peak frequency of the wave spectrum. Elastic stretching of the wire and synthetic rope make up approximately 10 % of the total response. This is based on a coefficient of friction equal to 0.003 which fits the experimental data best.
On the dynamics of oceanographic surface moorings
Über die Dynamik der Verankerung von Bojen im Meer
Grosenbaugh, M.A. (Autor:in)
Ocean Engineering ; 23 ; 7-25
1996
19 Seiten, 9 Bilder, 1 Tabelle, 12 Quellen
Aufsatz (Zeitschrift)
Englisch
Verankerung (mechanische Befestigung) , Meeresboden , Messvorrichtung , Meeresoberfläche , Meeresforschung , Drahtseil , Halteseil , Nylon , Polypropylen , Rechenmodell , Simulationsmodell , Differenzialgleichung , Schwingungsverhalten , Schwingungsdämpfung , Zug (Beanspruchung) , Maschinenwellenschwingung , elastische Verformung , Reibbeiwert , Längsbewegung , Vergleichsmessung , Bewegungsgleichung , Boje
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