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Stress Analysis Of An Ellipsoidal Inclusion

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Stress Analysis Of An Ellipsoidal Inclusion

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dc.contributor.author Kailas, Mahesh en_US
dc.date.accessioned 2007-09-17T17:07:29Z
dc.date.available 2007-09-17T17:07:29Z
dc.date.issued 2007-09-17T17:07:29Z
dc.date.submitted August 2007 en_US
dc.identifier.other DISS-1778 en_US
dc.identifier.uri http://hdl.handle.net/10106/578
dc.description.abstract The focus of the present thesis is to develop a mathematical model to calculate the stresses inside an ellipsoidal inclusion present in an infinitely extended matrix region and to validate the mathematically derived model by the Finite Element Method. To this end, a theoretical model has been developed to predict the stress inside an ellipsoidal inclusion. This model is based on equivalent inclusion method used to evaluate the stress distribution theoretically. Though there have been many theories to predict the stress distribution inside an ellipsoidal inclusion, its numerical validation is new despite its importance. A finite element model of a matrix-inclusion pair has been employed based on continuum mechanics approach. The interface surface between the matrix and the inclusion is modeled using suitable a contact element. The finite element analysis was carried out by assigning different properties for the matrix and inclusion region. Analysis with varying aspect ratio and elastic moduli of the inclusion region was also carried out to study the influence of the size and material property on the stress inside the inclusion. The finite element method shows that the stress distribution inside the inclusion is almost constant as predicted by the theoretical model. The above analysis also validates the use of the finite element method based on the continuum mechanics approach in studying the overall behavior of the inclusion problems. en_US
dc.description.sponsorship Nomura, Seiichi en_US
dc.language.iso EN en_US
dc.publisher Mechanical Engineering en_US
dc.title Stress Analysis Of An Ellipsoidal Inclusion en_US
dc.type M.S.M.E. en_US
dc.contributor.committeeChair Nomura, Seiichi en_US
dc.degree.department Mechanical Engineering en_US
dc.degree.discipline Mechanical Engineering en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level masters en_US
dc.degree.name M.S.M.E. en_US
dc.identifier.externalLink https://www.uta.edu/ra/real/editprofile.php?onlyview=1&pid=1192
dc.identifier.externalLinkDescription Link to Research Profiles

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