Tests of the OPEN-GGCM and BATS-R-US global MHD codes

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dc.contributor.advisorToffoletto, Frank R.en_US
dc.creatorLi, Yiningen_US
dc.date.accessioned2009-06-04T06:55:05Zen_US
dc.date.available2009-06-04T06:55:05Zen_US
dc.date.issued2005en_US
dc.description.abstractIn this thesis, we present the results from tests of two global magnetohydrodynamic (MHD) codes: the University of New Hampshire's OPEN-GGCM model and the University of Michigan's BATS-R-US model. We investigate their consistency with the theory of adiabatic particle drift in the inner and middle magnetosphere. Since the Rice Convection Model (RCM) uses the adiabatic particle drift as one of its basic assumptions, positive results of the tests will help us to establish a better physical model of the magnetosphere and ionosphere by coupling the RCM with one of these global MHD models. An introduction to the two models, the theory for the adiabatic particle drift, and the results from tests of OPEN-GGCM and BATS-R-US models are presented. By tracking individual magnetic tubes and comparing the quantities such as particle number N and theoretical invariant PV5/3 integrated along these flux tubes in different times, we find results of both the OPEN-GGCM and BATS-R-US models suggest that the conservation of the adiabatic invariant is very poor when using low-resolution simulation grid. Another test of the OPEN-GGCM simulation with higher grid resolution shows some improvement in PV5/3 conservation.en_US
dc.format.extent80 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS PHYS. 2005 LIen_US
dc.identifier.citationLi, Yining. "Tests of the OPEN-GGCM and BATS-R-US global MHD codes." (2005) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/17850">https://hdl.handle.net/1911/17850</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/17850en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectPlasma physicsen_US
dc.titleTests of the OPEN-GGCM and BATS-R-US global MHD codesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentPhysicsen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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