Determination of third-order elastic constants using second-harmonic generation in an elastic material with quadratic nonlinearity

M. Braun, L. J. Jacobs, J. Qu, S. Küchler

Research output: Contribution to journalConference articlepeer-review

Abstract

This research investigates nonlinear wave propagation in an elastic half-space that has a quadratic nonlinearity in the material's stress-strain relationship. The possibilities of measuring changes in the third-order elastic constants in the wave field arising due to specific boundary conditions are explored. It is shown that changes in both of the third-order elastic constants involved can be quantitatively measured using different nonlinear effects.

Original languageEnglish
Pages (from-to)246-253
Number of pages8
JournalAIP Conference Proceedings
Volume1096
DOIs
StatePublished - 2009
EventReview of Progress in Quantitative Nondestructive Evaluation - Chicago, IL, United States
Duration: 20 Jul 200825 Jul 2008

Keywords

  • Nonlinear Elastic Half-Space
  • Nonlinear Wave Propagation
  • Third-Order elastic constants

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