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Reacting plume inversion on urban geometries through gradient based design methodologies

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Title: Reacting plume inversion on urban geometries through gradient based design methodologies
Authors: Currier, Nicholas G.
Committee Members: Newman, James C., III; Anderson, W. Kyle; Hyams, Daniel G.; Matthews, John V., III; Sreenivas, Kidambi; Webster, Robert S.; College of Engineering and Computer Science
Summary: An increased focus on domestic security in recent years has brought attention to several important application areas where computational fluid dynamics (CFD) has the ability to make a significant impact. In particular, disaster mitigation and post-event forensic activities are of interest. This work investigates a procedure built on gradient based design methods to allow for the solution of the so-called inverse chemistry problem in urban environments. The inverse chemistry problem consists of computing a release location based on the sensing of chemical byproducts of the release and the ability to compute an accurate flow field on the geometry of interest. In this study, Washington DC is simulated under conditions of a hazardous plume. A CFD solver is implemented which allows for the solution of the preconditioned finite-rate Navier-Stokes equations as well as the in situ computation of design gradients.
URL: https://scholar.utc.edu/theses/135
Database: OpenDissertations
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Header DbId: ddu
DbLabel: OpenDissertations
An: ddu.oai.scholar.utc.edu.theses.1267
AccessLevel: 6
PubType: Dissertation/ Thesis
PubTypeId: dissertation
PreciseRelevancyScore: 0
IllustrationInfo
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  Label: Title
  Group: Ti
  Data: Reacting plume inversion on urban geometries through gradient based design methodologies
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  Data: <searchLink fieldCode="AR" term="%22Currier%2C+Nicholas+G%2E%22">Currier, Nicholas G.</searchLink>
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  Label: Committee Members
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  Data: <searchLink fieldCode="CO" term="%22Newman%2C+James+C%2E%2C+III%22">Newman, James C., III</searchLink>; <searchLink fieldCode="CO" term="%22Anderson%2C+W%2E+Kyle%22">Anderson, W. Kyle</searchLink>; <searchLink fieldCode="CO" term="%22Hyams%2C+Daniel+G%2E%22">Hyams, Daniel G.</searchLink>; <searchLink fieldCode="CO" term="%22Matthews%2C+John+V%2E%2C+III%22">Matthews, John V., III</searchLink>; <searchLink fieldCode="CO" term="%22Sreenivas%2C+Kidambi%22">Sreenivas, Kidambi</searchLink>; <searchLink fieldCode="CO" term="%22Webster%2C+Robert+S%2E%22">Webster, Robert S.</searchLink>; <searchLink fieldCode="CO" term="%22College+of+Engineering+and+Computer+Science%22">College of Engineering and Computer Science</searchLink>
– Name: Abstract
  Label: Summary
  Group: Ab
  Data: An increased focus on domestic security in recent years has brought attention to several important application areas where computational fluid dynamics (CFD) has the ability to make a significant impact. In particular, disaster mitigation and post-event forensic activities are of interest. This work investigates a procedure built on gradient based design methods to allow for the solution of the so-called inverse chemistry problem in urban environments. The inverse chemistry problem consists of computing a release location based on the sensing of chemical byproducts of the release and the ability to compute an accurate flow field on the geometry of interest. In this study, Washington DC is simulated under conditions of a hazardous plume. A CFD solver is implemented which allows for the solution of the preconditioned finite-rate Navier-Stokes equations as well as the in situ computation of design gradients.
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Code: eng
        Text: English
    Subjects:
      – SubjectFull: Fluid dynamics -- Data processing
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Chemical detectors
        Type: general
      – SubjectFull: Biosensors
        Type: general
    Titles:
      – TitleFull: Reacting plume inversion on urban geometries through gradient based design methodologies
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Currier, Nicholas G.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 08
              Type: published
              Y: 2014
ResultId 1