Title

Detection Of Cavities By An Inverse Elastostatics Boundary Element Method: Experimental Results

Abstract

An inverse elastostatics boundary element approach is developed for the nondestructive detection of subsurface cavities in structures. The method relies on the overspecification of the boundary conditions at the exposed surface. The traction is specified there, and displacements are used as additional data for solving the inverse problem. These displacements are experimentally determined by the laser speckle photography technique. An iterative process is used to locate the cavity by driving surface residuals to zero. Iterative updates of the cavity geometry are kept within a physically realistic feasible region using an anchored grid pattern. The detection of a circular hole is presented.

Publication Date

1-1-1994

Publication Title

International Conference on Boundary Element Technology

Number of Pages

85-92

Document Type

Article; Proceedings Paper

Identifier

scopus

Personal Identifier

scopus

Socpus ID

0028263313 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/0028263313

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