The information technologies in providing ship and ship structures durability and vibration

Authors

  • O. E. Looginin National university of shipbuilding named after Admiral Makarov, Mykolayiv, Ukraine
  • R. Yu. Korshykov National university of shipbuilding named after Admiral Makarov, Mykolayiv, Ukraine
  • S. V. Terlych National university of shipbuilding named after Admiral Makarov, Mykolayiv, Ukraine

DOI:

https://doi.org/10.31498/2225-6733.37.2018.160271

Keywords:

mathematical models, beam schemes, general and local durability, launching ships, docking, ship hull vibration

Abstract

The computer-oriented mathematical models providing general and local durability and vibration of ships are brought about. Problems in strength of the ship and her structures generalized and computerized by the authors both for the practical demands and training purposes are considered in the calculations of the following beam schemes: the estimation of general longitudinal deformation of the ship in vertical plane on quiet water, launching the ship from a longitudinal slant ship-way and raising in a dry-dock for repair works, cross-bending of the ship ceiling, calculation of forms and frequencies of free vibrations of the ship hull. Taking the ship model as a non-prismatic beam the cross-bending of the ship ceiling from water pressure on quiet water, launching the ship from a longitudinal slant ship-way and raising in a dry-dock for repair works have been considered. The strength model of the ship hull at her bending is brought about with the use of the developed universal method of five moments (М5М); (М5М) has been offered to calculate the local strength at cross-bending of the ship ceiling of arbitrary design and load, forms and frequencies of free vibrations of the ship hull have been defined by complex method,, where the forms of vibrations are determined by the method of progressive approximations given by academician Yu.O. Shymansky, and frequencies of vibrations – by Grammel`-Shymansky power method. The results of the research are emplyed into the educational process of the Admiral Makarov National Shipbuilding University in studying the discipline: «Shipbuilding mechanics», «Mathematical models and numerical methods of building mechanics», «Shipbuilding technology». In the future, we are planning to develop the technology of lifting sea vessels to the slope for repair and re-equipment

Author Biographies

O. E. Looginin, National university of shipbuilding named after Admiral Makarov, Mykolayiv

Кандидат технічних наук, професор

R. Yu. Korshykov, National university of shipbuilding named after Admiral Makarov, Mykolayiv

Кандидат технічних наук, доцент

S. V. Terlych, National university of shipbuilding named after Admiral Makarov, Mykolayiv

Старший викладач

References

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Published

2018-12-28

How to Cite

Looginin, O. E., Korshykov, R. Y., & Terlych, S. V. (2018). The information technologies in providing ship and ship structures durability and vibration. Reporter of the Priazovskyi State Technical University. Section: Technical Sciences, (37), 120–128. https://doi.org/10.31498/2225-6733.37.2018.160271

Issue

No. 37 (2018): Reporter of the PSTU. Section: Technical sciences

Section

Mechanical engineering and metal working

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