Vlasenko E. Development of method of optimum load to containership taking into account forces of inertia of tossing

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0421U101460

Applicant for

Specialization

  • 05.22.20 - Експлуатація та ремонт засобів транспорту

05-05-2021

Specialized Academic Board

Д 41.106.01

National University "Odessa Maritime Academy"

Essay

The method of formalization of forces operating on a load at tossing of ship is considered in basic part of dissertation research. For the isolated differential equalizations of motion of ship the got analytical expressions of constituents of the side careening and vertical tossing of ship, by which the got expressions for angular and linear accelerations. Certain compatible influence of forces of inertia of tossing of ship and attractive power on a cargo, that is transported, their projections are got on the axis of the ship system of coordinates and analytical expression is represented for the calculation of maximal value of horizontal projection of forces which influence on a load. In a section basic design times of method of forming of safe load of ship are considered taking into account the requirements after providing of nautical safety of ship. Problem definition of load of ship is conducted by containers in a general view and its specific is certain. For the account of requirements after providing of nautical safety of ship the conducted formalization of limitations on her nautical state, which allows to find the possible increases of the static moments, created by weight of containers which is adopted. The task of optimization of loading of containership, which foresees optimization of loading of ship before every her transition, is formulated. As criterion of optimum weight of ballast is offered, that is adopted, what must be minimized. The requirements after providing of nautical safety of ship and nascent forces of inertia at tossing are limitations of task of optimization. Offered method of forming of possible load in the case of absence of necessity of reception of ballast. Dependence of forces of inertia of the side tossing is explored on the axial moment of inertia of ship and got analytical expression of calculation of maximal value of force of inertia in a function from moment inertia of ship in relation to a longitudinal axis. The computer design of dependence of maximal force of inertia of the side tossing is conducted from placing of containers in the freight apartment of ship. The load of ship is explored by parties of containers taking into account the rotary press of ports, got analytical dependences. The imitation design of load of the „Sky Gemini” ship is conducted. Keywords: nautical safety of ships, loading of containership, tensor of loading of ship, force of inertia of tossing of ship, imitation design of loading of ship.

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