Multiscale simulation of impact response between two microrods with different nano-structures

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Multiscale simulation of impact response between two microrods with different nano-structures

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dc.contributor.advisor Chen, Zhen, 1958- en_US
dc.contributor.author Han, Yilong
dc.contributor.other University of Missouri-Columbia. Graduate School. Theses and Dissertations. Theses. 2012 Theses en_US
dc.date.accessioned 2012-11-05T18:58:20Z
dc.date.available 2012-11-05T18:58:20Z
dc.date.issued 2012
dc.date.submitted 2012 Summer en_US
dc.identifier.other HanY-072012-T479
dc.identifier.uri http://hdl.handle.net/10355/15978
dc.description Title from PDF of title page (University of Missouri--Columbia, viewed on November 5, 2012). en_US
dc.description The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical general description, or public abstract, appears in the public.pdf file. en_US
dc.description Thesis advisor: Dr. Zhen Chen en_US
dc.description Includes bibliographical references. en_US
dc.description M.S. University of Missouri-Columbia 2012. en_US
dc.description Dissertations, Academic -- University of Missouri--Columbia -- Civil engineering. en_US
dc.description "July 2012" en_US
dc.description.abstract Multiscale simulation is the field of solving physical problems which have important features at multiple scales; it is aimed to calculation of material properties or system behavior on one level using information or models from different levels. To better simulate multi-phase interactions involving failure evolution, the Material Point Method (MPM) has evolved for almost twenty years since its first paper was published in 1994, which has demonstrated its capabilities in addressing such problems as impact, upsetting, penetration, and contact. A multiscale material point method (MMPM) is proposed via both hierarchical and concurrent schemes. Molecular dynamics (MD) at nanoscale is linked with cluster dynamics (CD) at sub-micron scale via a hierarchical approach while CD is embedded into the MPM via a concurrent approach for establishing the multiscale equation of state (EoS). An impact problem of two nanorods with different nano structures are simulated by MMPM, and a transition region is not required between different spatial scales with the proposed approach. en_US
dc.format.extent xi, 81 pages en_US
dc.language.iso en_US en_US
dc.publisher University of Missouri--Columbia en_US
dc.relation.isformatof 2012 UM restricted theses (MU) en_US
dc.rights Access is limited to the campuses of the University of Missouri. en_US
dc.subject multiscale simulation en_US
dc.subject impact response en_US
dc.subject molecular dynamics en_US
dc.subject material point method en_US
dc.subject transition region en_US
dc.title Multiscale simulation of impact response between two microrods with different nano-structures en_US
dc.type Thesis en_US
thesis.degree.discipline Civil engineering en_US
thesis.degree.grantor University of Missouri--Columbia en_US
thesis.degree.name M. S. en_US
thesis.degree.level Masters en_US


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