Shock and Vibration (Jan 1994)

On the Effectiveness of Using Only Eigenvalues in Structural Model Updating Problems

  • A.S. Nobari,
  • D.J. Ewins

DOI
https://doi.org/10.3233/SAV-1994-1404
Journal volume & issue
Vol. 1, no. 4
pp. 339 – 348

Abstract

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In this article the subject of model updating using the inverse eigensensitivity method that uses only eigenvalues in the calculation is examined. The problem of creating an underdetermined set of equations is studied and ways of preventing it are addressed.