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Wyszukujesz frazę "ship hull structure" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Review of assembly sequence planning methods in terms of their applicability in shipbuilding processes
Autorzy:
Taraska, M.
Iwańkowicz, R.
Urbański, T.
Graczyk, T.
Powiązania:
https://bibliotekanauki.pl/articles/259760.pdf
Data publikacji:
2018
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
assembly sequence planning
ship hull
welded structure
method review
shipyard
Opis:
The article characterises the sea-going vessel hull assembly processes and then reviews the existing assembly methods of mechanisms and welded ship structures. Classification of these methods is done with respect to selected criteria of their applicability to hull assembly. Selected methods are used for calculations performed on a model structure and exemplary database. The analysed aspects include the performance of calculation algorithms and the quality of the obtained solutions. Particular attention is paid to the need for reduction of experts’ participation in the planning process due to strong search space explosion effect. The performed analyses have enabled the authors to formulate assumptions for models which would be applicable in real assembly planning in shipyards, as well as to indicate areas of further research which would make it possible to better consider the specificity of production of large-size welded structures.
Źródło:
Polish Maritime Research; 2018, S 1; 124-133
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zbiór dopuszczalnych planów montażu wielkowymiarowych konstrukcji oceanotechnicznych
Set of feasibile assembly plans of large - size marine structures
Autorzy:
Iwańkowicz, R.
Powiązania:
https://bibliotekanauki.pl/articles/340064.pdf
Data publikacji:
2014
Wydawca:
Polskie Towarzystwo Zarządzania Produkcją
Tematy:
montaż
spawanie
kadłub statku
stocznia
marine structure
assembly
welding
position
ship hull
shipyard
Opis:
The aim of the article is presenting a mathematical model of the assembly process of large-size marine structures. Numerical encoding approach of essential features of the structure and welding methods is proposed. The model takes into account information about the geometry of the connections between elements and their orientation in space during the assembly process. Welding processes are characterized by positions range of their application. The assembly process is shown as a matrix form. Assembly planning is based on the allocation of welding processes into stages and the selection of welding method and assembly position for each stage. It is shown that a lot of such plans can be generated and many of them are unacceptable. Space of feasible plans is defined by set of constraints. These conditions verify that the assembly plan performs a task of welding of all joints and whether it is feasible for particular methods. The methods for calculating the impact of all conditions . an accurate deterministic and randomized approximate are proposed. It is shown that assumed conditions dramatically reduce the set of assembly plans. Moreover, the method of including additional conditions into the model according to the connections making sequence is presented. Sample calculations are shown in two examples . first that is extremely simplified, allowing for a full deterministic analysis of the problem, and a second that is more complex, requiring a partial approximate approach. The article indicates the possibility of using the optimization of the assembly plan. Furthermore, the set of applicable criteria is proposed.
Źródło:
Zarządzanie Przedsiębiorstwem; 2014, 17, 2; 17-25
1643-4773
Pojawia się w:
Zarządzanie Przedsiębiorstwem
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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