Time reversal as a computational tool in acoustics and elastodynamics
D Givoli - Journal of Computational Acoustics, 2014 - World Scientific
In this review paper, the use of the Time Reversal (TR) method as a computational tool for
solving some classes of inverse problems is surveyed. The basics of computational TR are …
solving some classes of inverse problems is surveyed. The basics of computational TR are …
Lamb wave-based subwavelength damage imaging using the DORT-MUSIC technique in metallic plates
A Lamb wave-based, subwavelength imaging algorithm is developed for damage imaging in
a metallic plate based on a decomposition of the time-reversal operator method together …
a metallic plate based on a decomposition of the time-reversal operator method together …
Baseline-free estimation of residual fatigue life using a third order acoustic nonlinear parameter
M Amura, M Meo, F Amerini - The Journal of the Acoustical Society of …, 2011 - pubs.aip.org
Prediction of crack growth and fatigue life estimation of metals using linear/nonlinear
acousto-ultrasound methods is an ongoing issue. It is known that by measuring nonlinear …
acousto-ultrasound methods is an ongoing issue. It is known that by measuring nonlinear …
Closed crack imaging using time reversal method based on fundamental and second harmonic scattering
A recent variant of time reversal imaging is employed for reconstructing images of a closed
crack, based on both the fundamental and the second harmonic components of the …
crack, based on both the fundamental and the second harmonic components of the …
Nonlinear elastic imaging using reciprocal time reversal and third order symmetry analysis
This paper presents a nonlinear imaging method for the detection of the nonlinear signature
due to impact damage in complex anisotropic solids with diffuse field conditions. The …
due to impact damage in complex anisotropic solids with diffuse field conditions. The …
Acoustic emission localization in complex dissipative anisotropic structures using a one-channel reciprocal time reversal method
This paper presents an imaging method for the localization of the impact point in complex
anisotropic structures with diffuse field conditions, using only one passive transducer. The …
anisotropic structures with diffuse field conditions, using only one passive transducer. The …
Nonlinear Lamb wave based DORT method for detection of fatigue cracks
J Zhou, L Xiao, W Qu, Y Lu - Ndt & E International, 2017 - Elsevier
This research reports a selective detecting and focusing approach for fatigue cracks through
use of decomposition of the time reversal operator (DORT) in combination with nonlinear …
use of decomposition of the time reversal operator (DORT) in combination with nonlinear …
A comparison and extensions of algorithms for quantitative imaging of laminar damage in plates. I. Point spread functions and near field imaging
Real-time structural health monitoring (SHM) and safety prognostics require quantitative and
continuously updated information on damage size and severity. A unified theoretical solution …
continuously updated information on damage size and severity. A unified theoretical solution …
Phase symmetry analysis for nonlinear ultrasonic modulated signals
GP Malfense Fierro, F Ciampa… - Structural control and …, 2020 - Wiley Online Library
Nonlinear ultrasonic experiments typically require digital pass‐band filters and advanced
signal processing tools to highlight low‐amplitude nonlinear elastic effects such as …
signal processing tools to highlight low‐amplitude nonlinear elastic effects such as …
Detection and modelling of nonlinear elastic response in damaged composite structures
In this paper the nonlinear material response of damaged composite structures under
periodic excitation is experimentally and numerically investigated. In particular, the …
periodic excitation is experimentally and numerically investigated. In particular, the …