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The journal International Shipbuilding Progress (ISP) was founded in 1954. Each year two issues appear (in March and September). Publications submitted to ISP should describe scientific work of high international standards, advancing subjects related to the field of Marine Technology, such as:
- Concept development
- General design of ships and offshore objects
- Ship and offshore structural design
- Hydro-mechanics and -dynamics
- Maritime engineering and machinery systems
- Production processes of all types of ships and other objects intended for marine use
- Production technology and material science
- Shipping science, economics, and all directly related subjects
- Ship operations
- Offshore and ocean engineering in relation to the marine environment
- Marine safety
- Efficiency, lifecycle, and environment
- Ice-related aspects for ships and offshore objects.
The contents of the papers may be of a fundamental or of an applied scientific nature and must be of the highest novelty and rigor.
Article Type: Research Article
Abstract: Two corrugated and one plane bulkhead subject to a distributed lateral load were tested and most of the results are given and discussed. An extension of the beam model, as briefly dealt with earlier  is introduced generally and verified for certain cases. The assumption underlying the method of calculating the transverse bending moments and stresses in corrugated panels is verified with the aid of experimental data gathered both in the Laboratory itself and from previous papers by other authors. As a result a suggestion is made regarding the limitations imposed on the validity of this hypothesis by the aspect …ratios and flexural rigidity ratios of corrugated panels. Transverse bending moment curves, obtained both experimentally and theoretically, are compared and for corrugated panels the possible influence of initial unfairness is discussed. The end connections of bulkhead panels are examined in more detail. Attention is paid to the importance of tests on full scale structures subject to static loads which restrict the nominal stresses to the elastic range. The corrugated bulkheads are compared with the plane one and finally a number of conclusions is presented. Show more
Citation: International Shipbuilding Progress, vol. 15, no. 167, pp. 223-250, 1968
Authors: Vugts, J.H.
Article Type: Research Article
Abstract: For various cross-sections the hydrodynamic coefficients of two-dimensional cylinders are determined by forced oscillation tests and by theoretical computations. The purpose of this study is to check the theoretical basis of the computations for all three possible modes of motion and to establish the influence of section shape in this respect. The results show good agreement for heaving and for swaying, while there is a fair correspondence for rolling. Apart from deviations due to experimental inaccuracies appreciable differences between theory and experiment only exist for the coefficients of those terms which dissipate energy in sway and roll. There viscous …effects are distinctly present, especially for sharply edged sections in roll. The wave exciting terms in the two-dimensional case are measured and compared to calculations as well. So a complete set of hydrodynamic quantities for the coupled motions of cylinders in beam waves is presented. Show more
Citation: International Shipbuilding Progress, vol. 15, no. 167, pp. 251-276, 1968
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