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Reinforcement of Imperfect Hemispherical Head of Bilobe Cargo Tank in Liquefied Petroleum Gas Carrier (CROSBI ID 542952)

Prilog sa skupa u zborniku | ostalo | međunarodna recenzija

Senjanović, Ivo ; Rudan, Smiljko ; Ljuština, Ana Maria Reinforcement of Imperfect Hemispherical Head of Bilobe Cargo Tank in Liquefied Petroleum Gas Carrier // Proceedings of Special Workshop: Advanced Numerical Analysis of Shell-like Structures / Jurica Sorić (ur.). Zagreb: Hrvatsko društvo za mehaniku (HDM), 2007. str. 269-278

Podaci o odgovornosti

Senjanović, Ivo ; Rudan, Smiljko ; Ljuština, Ana Maria

engleski

Reinforcement of Imperfect Hemispherical Head of Bilobe Cargo Tank in Liquefied Petroleum Gas Carrier

The work describes the remedy for misalignment at the joint of two segments of hemispherical head of a bilobe cargo tank. The misalignment is the result of relatively thin spherical shell and production difficulties. Measurements of out-ofroundness show rather large deviation of meridional chamber and variation of radius in the head cross-section plane. At the ends of the segments the spherical form is deviated into a conical shape. As a result the peak of meridional generatrix occurs, which causes high stress concentration. Cross-section of the hemisphere at the segment joint is reinforced with a ring in order to overtake bending moment caused by the variation of circular radius. The ring dimensions are determined based on an approximate consideration. Stress concentration at the segment joint is reduced by two additional rings connected with a set of bars in the meridional direction. Stress distribution in the actual imperfect and reinforced structure is determined by the finite element method. Total static plus dynamic tank pressure is taken into account.

LPG Carrier; bilobe tank; misalignment; reinforcement; strength; FEM

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Podaci o prilogu

269-278.

2007.

objavljeno

Podaci o matičnoj publikaciji

Proceedings of Special Workshop: Advanced Numerical Analysis of Shell-like Structures

Jurica Sorić

Zagreb: Hrvatsko društvo za mehaniku (HDM)

978-953-7539-00-9

Podaci o skupu

Special Workshop Advanced Numerical Analysis of Shell-like Structures

predavanje

26.09.2007-28.09.2007

Zagreb, Hrvatska

Povezanost rada

Brodogradnja

Poveznice