New concepts of river-sea cruise passenger vessels are not only new vessels, but also new tourist product. In market of sea and river cruises there are practically no offers on earlier popular cruises between ports of Black, Mediterranean and Baltic, and Caspian seas. Thus, absence of offers is connected, first, with lack of river-sea cruise vessels. For the solution of problem of connection of sea and river routes modern cruise vessels of PV09, PV300 and PV300VD projects developed by Marine Engineering Bureau are offered.
Researches have shown that generally for native conditions traditional single hull type passenger vessel can be recommended. CFD-modelling tests were executed to optimize hull form. Module principles of creating inner living space were used widely. Standard module cabins usage let alternate passenger capacity by using passenger cabin modules with different area in accordance with required comfort level.
The nonlinear boundary value problem is studied for potential function of progressive surface waves with finite amplitude in shallow water. For the first time the method of space deformation is used to get an approximate solution for evaluation of wave load on a horizontal pipe lying at the bottom. The theoretical results are compared with experimental data and showed practically good conformity.
Follow-up to the survey report [1], containing in-depth study of this problem, basically, since 1965, in the present report the almost 100-year’s experience of usage of the ultimate plastic strength criterion (U.S.C) in the Russian and Ukrainian practice of design of hulls of ship of different destination is reviewed. On the basis of comparison of results of computational and experimental estimations of an ultimate bending moments (Mult) and characteristics of their variability the expediency of usage of the (Mult) lower boundary by Boobnov-Papkovich-Shimansky method with a more precise estimation of carrying capacity of longitudinals by the generalized method of C. Smith is substantiated. These recommendations may be used also for estimation of the hull ultimate strength of FPSO (Floating Production Storage and Off-loading Units), the structure of which is similar to the hulls of modern tankers with the double bottom and double sides.
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