ORIGINAL PAPER
Selected Aspects of Cryogenic Tank Fatigue Calculations for Offshore Application
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Wroclaw University of Science and Technology Faculty of Mechanical and Power Engineering Wybrzeże Wyspiańskiego Street 27, 50-370 , Wrocław, Poland
 
 
Online publication date: 2018-03-14
 
 
Publication date: 2018-02-01
 
 
International Journal of Applied Mechanics and Engineering 2018;23(1):251-259
 
KEYWORDS
ABSTRACT
The paper presents the way of the fatigue life calculation of a cryogenic tank dedicated for the carriers ship application. The independent tank type C was taken into consideration. The calculation took into account a vast range of the load spectrum resulting in the ship accelerations. The stress at the most critical point of the tank was determined by means of the finite element method. The computation methods and codes used in the design of the LNG tank were presented. The number of fatigue cycles was determined by means of S-N curve. The cumulated linear damage theory was used to determine life factor.
 
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