2010
DOI: 10.1007/s00773-010-0105-y
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Slam events of high-speed catamarans in irregular waves

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Cited by 43 publications
(31 citation statements)
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“…This result is similar to that found in model test experiments [17] and shows that the traditional approach of Ochi and Motter [18] of using relative vertical velocity to predict slam occurrence and magnitude does not hold for large high speed catamarans. It is likely that there are other factors, as yet unknown, that are a stronger indicator of slam magnitude for such catamarans.…”
Section: Influence Of Seastatesupporting
confidence: 79%
“…This result is similar to that found in model test experiments [17] and shows that the traditional approach of Ochi and Motter [18] of using relative vertical velocity to predict slam occurrence and magnitude does not hold for large high speed catamarans. It is likely that there are other factors, as yet unknown, that are a stronger indicator of slam magnitude for such catamarans.…”
Section: Influence Of Seastatesupporting
confidence: 79%
“…This figure also demonstrates that at θ = 5° while relatively low velocity impacts (3 and 3.5 m/s) slam force peaks prior to theoretical immersion (zF/zw<1), this is likely due to water pile-up reaching the wetdeck prior to the theoretical immersion depth. This agrees with the observations in Thomas et al (2011a) that the immersion at which slam force peaks is a function of the water-entry velocity, however does not agree with the proposed assumption of 2-d filling by Lavroff (2009) and Thomas et al (2011b). It can be considered therefore that if the relative impact angle is small then the free-surface deformation beneath the wetdeck is higher and its effect decreases with as the relative vertical velocity increases.…”
Section: Occurrence Of Slam Forcesupporting
confidence: 49%
“…Wetdeck slamming loads is one of the key factors in catamaran structural design (Giannotti (1975)), and in particular the wetdeck structure (Djatmiko (1992)). As most of slam loads are centered in the vicinity of the bow section (Thomas et al (2011b)).…”
Section: Introductionmentioning
confidence: 99%
“…Using the parameters, various cases are studied by varying the Froud number, the breadth of each hull and their separation. The range of separation values is chosen to be 0.2~0.5 based on the information given by reference (Thomas et al, 2011;Souto-Iglesias et al, 2012 for real Catamarans.…”
Section: Fig 22 Computational Domain Of a Trimaranmentioning
confidence: 99%