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Computational wave modeling of anisotropic plates with implementation of Symmetry Informed Sequential Mapping of Anisotropic Green's function (SISMAG)
Author(s): S. Shrestha; S. Banerjee
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Paper Abstract

In recent years, mesh-free semi-analytical technique called distributed point source method (DPSM) has been increasingly used in computing ultrasonic wave field. A generalized computational method has been used for simulation in generic anisotropic plate using a comprehensive formulation of Green’s function. The Green’s function required for the implementation of DPSM is formulated using Fourier Transform method. Wave fields in unidirectional composite materials with 0 and 90-degree fiber orientations are reported using DPSM followed by generalized mathematical formulations. DPSM is implemented for multilayered anisotropic plates. Applying generalized mathematical formulations, NDE of multilayered anisotropic plate is simulated and reported in this article. Virtual NDE experiments of anisotropic plates in Pulse-Echo mode are simulated using a circular transducer of central frequency ~1MHz. Wave fields inside both the fluid and the solid media were calculated.

Paper Details

Date Published: 27 March 2018
PDF: 10 pages
Proc. SPIE 10600, Health Monitoring of Structural and Biological Systems XII, 106000Q (27 March 2018); doi: 10.1117/12.2296621
Show Author Affiliations
S. Shrestha, Univ. of South Carolina (United States)
S. Banerjee, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 10600:
Health Monitoring of Structural and Biological Systems XII
Tribikram Kundu, Editor(s)

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