DETERMINATION OF THIRD-ORDER ELASTIC CONSTANTS USING SECOND-HARMONIC GENERATION IN AN ELASTIC MATERIAL WITH QUADRATIC NONLINEARITY

被引：0
|
作者：
Braun, M. [1 ]
Jacobs, L. J. [1 ]
Qu, J. [1 ]
Kuechler, S. [1 ]
机构：
[1] Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 28A AND 28B | 2009年 / 1096卷
关键词：
Nonlinear Elastic Half-Space; Nonlinear Wave Propagation; Third-Order Elastic Constants;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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.
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页码：246 / +
页数：2
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