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Dynamic Structural Analysis With Experimental Verification ; Dynamic Structural Analysis with Experimental Verification

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Název: Dynamic Structural Analysis With Experimental Verification ; Dynamic Structural Analysis with Experimental Verification
Autoři: Judge, Robert A.
Přispěvatelé: Gerhold, Carl
Rok vydání: 1986
Sbírka: Texas A&M University Digital Repository
Témata: dynamic response, analytical methods, experimental methods, modeling structures
Popis: Program year: 1985/1986 ; Digitized from print original stored in HDR ; There are basically two methods of determining the dynamic response of structures. Analytical methods take advantage of theoretical equations to predict a system's response, while experimental methods use testing of prototypes or scale models of a structure to determine actual response. In order to design structures efficiently, an engineer should be able to use theoretical tools to analyze and predict a system's response. This research project was designed to predict the accuracy of modeling structures subjected to dynamic loading using the finite element method. A finite element computer program was written and used to analyze two structures-a simple cantilevered beam and a cantilevered beam with another beam welded to it at a 90° angle. The structures that were modeled by the program were then constructed and tested using modal analysis techniques. The finite element model and experimental results were then compared to see how accurately the model predicted actual system response. The results of this research showed that the finite element model was able to predict actual system behavior with a high degree of accuracy. The analytical model was able to predict natural frequencies and mode shapes within 19.1% of the experimentally-determined values for the cantilevered beam, and within 6.1% of the experimentally-determined values for the welded beams.
Druh dokumentu: thesis
Popis souboru: 57 pages; electronic; application/pdf
Jazyk: unknown
Dostupnost: https://hdl.handle.net/1969.1/CAPSTONE-JudgeR_1986
Přístupové číslo: edsbas.823D4BD4
Databáze: BASE
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  – Url: https://hdl.handle.net/1969.1/CAPSTONE-JudgeR_1986#
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Header DbId: edsbas
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An: edsbas.823D4BD4
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PubType: Dissertation/ Thesis
PubTypeId: dissertation
PreciseRelevancyScore: 605.149597167969
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Dynamic Structural Analysis With Experimental Verification ; Dynamic Structural Analysis with Experimental Verification
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Judge%2C+Robert+A%2E%22">Judge, Robert A.</searchLink>
– Name: Author
  Label: Contributors
  Group: Au
  Data: Gerhold, Carl
– Name: DatePubCY
  Label: Publication Year
  Group: Date
  Data: 1986
– Name: Subset
  Label: Collection
  Group: HoldingsInfo
  Data: Texas A&M University Digital Repository
– Name: Subject
  Label: Subject Terms
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  Data: <searchLink fieldCode="DE" term="%22dynamic+response%22">dynamic response</searchLink><br /><searchLink fieldCode="DE" term="%22analytical+methods%22">analytical methods</searchLink><br /><searchLink fieldCode="DE" term="%22experimental+methods%22">experimental methods</searchLink><br /><searchLink fieldCode="DE" term="%22modeling+structures%22">modeling structures</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Program year: 1985/1986 ; Digitized from print original stored in HDR ; There are basically two methods of determining the dynamic response of structures. Analytical methods take advantage of theoretical equations to predict a system's response, while experimental methods use testing of prototypes or scale models of a structure to determine actual response. In order to design structures efficiently, an engineer should be able to use theoretical tools to analyze and predict a system's response. This research project was designed to predict the accuracy of modeling structures subjected to dynamic loading using the finite element method. A finite element computer program was written and used to analyze two structures-a simple cantilevered beam and a cantilevered beam with another beam welded to it at a 90° angle. The structures that were modeled by the program were then constructed and tested using modal analysis techniques. The finite element model and experimental results were then compared to see how accurately the model predicted actual system response. The results of this research showed that the finite element model was able to predict actual system behavior with a high degree of accuracy. The analytical model was able to predict natural frequencies and mode shapes within 19.1% of the experimentally-determined values for the cantilevered beam, and within 6.1% of the experimentally-determined values for the welded beams.
– Name: TypeDocument
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  Data: thesis
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  Data: 57 pages; electronic; application/pdf
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  Data: https://hdl.handle.net/1969.1/CAPSTONE-JudgeR_1986
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  Data: edsbas.823D4BD4
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: unknown
    Subjects:
      – SubjectFull: dynamic response
        Type: general
      – SubjectFull: analytical methods
        Type: general
      – SubjectFull: experimental methods
        Type: general
      – SubjectFull: modeling structures
        Type: general
    Titles:
      – TitleFull: Dynamic Structural Analysis With Experimental Verification ; Dynamic Structural Analysis with Experimental Verification
        Type: main
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      – PersonEntity:
          Name:
            NameFull: Judge, Robert A.
      – PersonEntity:
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            NameFull: Gerhold, Carl
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 1986
          Identifiers:
            – Type: issn-locals
              Value: edsbas
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