Non-homogeneity effect in the spherical shell by using Seth’s theory

Pankaj Thakur, Devinder Singh Pathania, Jasmina Lozanovic Sajic, Gaurav Verma

Research output: Contribution to journalArticle

Abstract

his paper presents nonlinear deformation behaviour of non-homogeneous spherical shell examined under pressure by using Seth’s transition theory. It has been seen that for increased material compressibility in thickness direction, the circumferential stress in the spherical shell reaches maximum at the external surface, but is reverse in the case of a deceasing compressibility in the thickness direction. The spherical shell of non-homogeneous material (non-homogeneity increases radially) is on the safer side of design. Hence, the more use of non-homogeneous material (non-homogeneity increases radially) may be beneficial for manufacturing spherical shells as they provide longer service life than shells of homogeneous material under identical conditions.
Original languageEnglish
Pages (from-to)177-182
JournalStructural Integrity and Life
Volume17
Issue number3
Publication statusPublished - 2017
Externally publishedYes

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