Hypersingular shape sensitivity boundary integral equation for crack identification under harmonic elastodynamic excitation

Model-based nondestructive testing (NDT) requires fast and accurate solutions of the response of the mechanical model including the defect as well as the sensitivity of this response to the variation of the parameters describing the defect. For modelling crack-type defects under dynamic conditions,...

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Bibliographic Details
Published in:	Computer methods in applied mechanics and engineering Vol. 196; no. 25; pp. 2596 - 2618
Main Authors:	Rus, Guillermo, Gallego, Rafael
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 01.05.2007 Elsevier
Subjects:	Boundary element method (BEM) Boundary integral equations (BIE) Computational techniques Exact sciences and technology Fundamental areas of phenomenology (including applications) Hypersingular Identification inverse problem (IIP) Mathematical methods in physics Measurement and testing methods Optimization algorithms Physics Quantitative non-destructive evaluation (QNDE) Sensitivity Solid mechanics Static elasticity (thermoelasticity...) Structural and continuum mechanics Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...) Quantitative non-destructive evaluation (QNDE) 43.40.L 81.70 Sensitivity Identification inverse problem (IIP) Optimization algorithms Boundary element method (BEM) Hypersingular Boundary integral equations (BIE) Elastic constant Singularity Boundary integral method Elastic wave Modeling Defect characterization Dimensional control Integral equation System identification Elastodynamics Ultrasound Measurement error Boundary element method Geometrical shape Sensitivity analysis Vibration Deformation modulus Mechanical properties Minimization Inverse problem Response variability Sinusoidal excitation Non destructive test Structural analysis Dynamic load
ISSN:	0045-7825, 1879-2138
Online Access:	Get full text
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