Title

Damage detection for 3-D frame structures by modal strain energy decomposition method

Document Type

Conference Proceeding

Date of Original Version

12-1-2004

Abstract

A newly developed damage detection method applicable to three-dimensional frame structures is presented. This method is based on decomposing the modal strain energy into two parts, one associated with element's axial coordinates and the other transverse coordinates. The method requires only a small number of mode shapes identified from damaged and undamaged structures. Numerical studies are conducted based on synthetic data generated from finite element models. This study demonstrates that the Modal Strain Energy Decomposition method is capable of localizing damage for 3-D frame structures.

Publication Title

Progress in Safety Science and Technology Volume 4:Proceedings of the 2004 International Symposium on Safety Science and Technology

Issue

PART A

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