Development of a general purpose code to couple experimental modal analysis and damage identification algorithms

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This paper introduces a new toolbox of graphical interface software algorithms for the numerical simulation of vibration tests, analysis of modal data, finite element model correlation, and the comparison of both linear and nonlinear damage identification techniques. This toolbox is unique because it contains several different vibration-based damage identification algorithms, categorized as those which use only measured response and sensor location information (non-model-based techniques) and those which use finite element model correlation (model-based techniques). Another unique feature of this toolbox is the wide range of algorithms for experimental modal analysis. The toolbox also contains a unique capability that utilizes the ... continued below

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10 p.

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Doebling, S. W.; Farrar, C. R. & Cornwell, P. J. March 1998.

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Description

This paper introduces a new toolbox of graphical interface software algorithms for the numerical simulation of vibration tests, analysis of modal data, finite element model correlation, and the comparison of both linear and nonlinear damage identification techniques. This toolbox is unique because it contains several different vibration-based damage identification algorithms, categorized as those which use only measured response and sensor location information (non-model-based techniques) and those which use finite element model correlation (model-based techniques). Another unique feature of this toolbox is the wide range of algorithms for experimental modal analysis. The toolbox also contains a unique capability that utilizes the measured coherence functions and Monte Carlo analysis to perform statistical uncertainty analysis on the modal parameters and damage identification results.

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10 p.

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OSTI as DE98005067

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  • Structural engineers world congress, San Francisco, CA (United States), 18-23 Jul 1998

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  • Other: DE98005067
  • Report No.: LA-UR--97-4409
  • Report No.: CONF-980711--
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 650368
  • Archival Resource Key: ark:/67531/metadc705976

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  • March 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • May 5, 2016, 7:32 p.m.

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Doebling, S. W.; Farrar, C. R. & Cornwell, P. J. Development of a general purpose code to couple experimental modal analysis and damage identification algorithms, article, March 1998; New Mexico. (digital.library.unt.edu/ark:/67531/metadc705976/: accessed June 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.