Reconstruction of the Geometry of a Surface-Breaking Crack

Autor:	D. M. Tow
Rok vydání:	1986
Předmět:	Physics Surface (mathematics) Transducer Field (physics) Scattering Code (cryptography) Crack tip opening displacement Point (geometry) Geometry Linear array
Zdroj:	Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781461577652
DOI:	10.1007/978-1-4615-7763-8_54
Popis:	The crack reconstruction method presented here employs a ray-tracing field code described in another session of this conference [1]. This field code calculates the transducer response to a crack of known geometry by modeling it as a collection of point scattering elements. The model is linear in that the transducer response to a collection of point scattering elements is equal to the sum of the transducer responses of the individual elements. The field code is currently only capable of modeling two-dimensional geometries. In two dimensions a crack is modeled as a linear array of scattering elements. A transducer is similarly modeled as a linear array of point sources. All results discussed in this paper are two-dimensional simulated results; Figure 1 depicts a typical 2-D inspection geometry.
Databáze:	OpenAIRE
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