A Subspace Approach for the Localization of Damage in Output-Only Systems

8/1/01


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Table of Contents

A Subspace Approach for the Localization of Damage in Output-Only Systems

Global Damage Identification Methodology

Stochastic Realization

Localization Using Changes in Flexibility

The DLV Technique

Implementation

Illustrative Example

Example (cont'd)

Obtaining the Flexibility Matrix

Classification of Stochastic-Input Cases

Arbitrarily Scaled Modes

Case 1: Full Sensors

Case 1: Full Sensors (cont'd)

Example 2

Example 2

Example 2 (cont'd)

Case 2: Partial Sensors

Partial Sensors

Partial Sensors

Obtaining b/a

Illustration of Computation of b/a in an Ideal Case

Obtaining b/a

Example 3

Example 3

Example 3

Final Remarks

Author: Burcu Gunes

Email: bvuran@lynx.neu.edu