A Study of Vertical Vibration of Ships (1st report)

Ohtaka, K.; Hibino, Fukuden; Oji, Masatomo

doi:10.2534/jjasnaoe1952.1964.116_90

Cited by 5 publications

(4 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The calculation is based on the method in the previous report of one of the authors(6). In the calculation A the shear rigidity is calculated by the energy method (6) As the measured results are so complicated that they cannot be easilyclassified.…”

Section: Discussion Of Vertical Vibrationmentioning

confidence: 99%

Vibration of Container Ship

Umezaki

Miyamoto

Ohtaka

et al. 1969

J. SNAJ, Nihon zousen gakkai ronbunshu

Self Cite

View full text Add to dashboard Cite

The vibration of a container ship has been studied with a chief attention to the horizontal and the torsional vibrations. Some checks on the problems of structural behaviour and of the added virtual mass of water have been made. Centre of virtual mass of water is calculatedfor the Lewis form sections. The model experiment has been carried out to check the behaviour of coupled vibration. At the last the experiments in a full scale container ship have been made, using the vibration generator and in the sea trials. It is found that the problem is pretty complicatedand many investigations are necessary in order to clarify the mechanism of coupled vibration and therigidities in the torsional vibration. Horizontal vibration, though it is complicated due to the coupling with torsional vibration, is more accessible. The characteristics of the vertical vibration of the container ship are qualitatively the same as those of conventional types of ships. The bottom vibration is significant in the vertical vibration of higher modes which is likely to reduce the natural frequencyof the vertical vibration.

show abstract

Section: Discussion Of Vertical Vibrationmentioning

confidence: 99%

Vibration of Container Ship

Umezaki

Miyamoto

Ohtaka

et al. 1969

J. SNAJ, Nihon zousen gakkai ronbunshu

Self Cite

View full text Add to dashboard Cite

show abstract

“…1. The numerical values used in calculation are shown in Table 3 ( a ) In the lower mode the deflections of beam (1) and beam (2) have the same number of nodes, in like manner of section 1.…”

Section: Calculation Theory For Free Vibrationmentioning

confidence: 99%

Higher Mode Vertical Vibration of Giant Tanker (1 st Report)

Ohtaka¹,

Kagawa²,

Yamamoto³

1969

J. SNAJ, Nihon zousen gakkai ronbunshu

View full text Add to dashboard Cite

show abstract

“…The details of the method were shown already in the previous report (1) and are omitted in this report. Some remarks on the computer program are as follows.…”

mentioning

confidence: 99%

“…These data were made according to the method shown in the previous report (1) and the results are shown in Table 7-10 in the following paper.…”

mentioning

confidence: 99%