Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit

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dc.contributor.advisorCloete, T Jen_ZA
dc.contributor.advisorNurick, Gerald Nen_ZA
dc.contributor.authorBonorchis, Deanen_ZA
dc.date.accessioned2016-03-17T12:42:49Z
dc.date.available2016-03-17T12:42:49Z
dc.date.issued2003en_ZA
dc.descriptionIncludes bibliographical references.en_ZA
dc.description.abstractThe general purpose finite element program, Abaqus, has the facility to allow users to supplement its existing material model library with user-defined material models (VUMATs). This thesis involves the implementation and verification of the Johnson-Cook and Zerilli-Armstrong material models as VUMATs. The same version of the Johnson-Cook material model is contained in Abaqus and was therefore used as a benchmark. These material models are suitable for high strain, high strain rate and high temperature applications. The implementation of the material models was verified by comparing simulation results obtained using the Abaqus version of the Johnson-Cook material model with the simulation results obtained using the VUMATs of the Johnson-Cook and Zerilli-Armstrong material models. Firstly, this verification process was followed using single and multiple element tests with varying prescribed loading conditions. The verification process was then extended by performing a more "realistic" set of Taylor test simulations. The Taylor test simulation results were also compared with published experimental results for validation purposes.en_ZA
dc.identifier.apacitationBonorchis, D. (2003). <i>Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit</i>. (Thesis). University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering. Retrieved from http://hdl.handle.net/11427/17954en_ZA
dc.identifier.chicagocitationBonorchis, Dean. <i>"Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit."</i> Thesis., University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering, 2003. http://hdl.handle.net/11427/17954en_ZA
dc.identifier.citationBonorchis, D. 2003. Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Bonorchis, Dean AB - The general purpose finite element program, Abaqus, has the facility to allow users to supplement its existing material model library with user-defined material models (VUMATs). This thesis involves the implementation and verification of the Johnson-Cook and Zerilli-Armstrong material models as VUMATs. The same version of the Johnson-Cook material model is contained in Abaqus and was therefore used as a benchmark. These material models are suitable for high strain, high strain rate and high temperature applications. The implementation of the material models was verified by comparing simulation results obtained using the Abaqus version of the Johnson-Cook material model with the simulation results obtained using the VUMATs of the Johnson-Cook and Zerilli-Armstrong material models. Firstly, this verification process was followed using single and multiple element tests with varying prescribed loading conditions. The verification process was then extended by performing a more "realistic" set of Taylor test simulations. The Taylor test simulation results were also compared with published experimental results for validation purposes. DA - 2003 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2003 T1 - Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit TI - Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit UR - http://hdl.handle.net/11427/17954 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/17954
dc.identifier.vancouvercitationBonorchis D. Implementation of material models for high strain rate applications as user-subroutines in abaqus/explicit. [Thesis]. University of Cape Town ,Faculty of Engineering & the Built Environment ,Department of Mechanical Engineering, 2003 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/17954en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Mechanical Engineeringen_ZA
dc.publisher.facultyFaculty of Engineering and the Built Environment
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherMechanical Engineeringen_ZA
dc.titleImplementation of material models for high strain rate applications as user-subroutines in abaqus/expliciten_ZA
dc.typeMaster Thesis
dc.type.qualificationlevelMasters
dc.type.qualificationnameMSc (Eng)en_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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