On the Effectiveness of Using Only Eigenvalues in Structural Model Updating Problems
A.S. Nobari1and D.J. Ewins1
Received28 Oct 1993
Accepted09 Dec 1993
Abstract
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.