Nonlinear ultrasonic testing and data analytics for damage characterization: A review
Nondestructive testing and evaluation (NDT&E) are commonly used in the industry for their
ability to identify damage and assess material conditions. Ultrasonic testing (UT) is one of …
ability to identify damage and assess material conditions. Ultrasonic testing (UT) is one of …
Detection and localization of fatigue crack using nonlinear ultrasonic three-wave mixing technique
Herein, we developed a nonlinear ultrasonic three-wave mixing technique to more
accurately detect and localize early-stage fatigue cracks. First, we derived the theoretical …
accurately detect and localize early-stage fatigue cracks. First, we derived the theoretical …
Identification of fatigue crack under vibration by nonlinear guided waves
This study identified fatigue cracks in a steel joint under vibration by nonlinear guided waves
based on second harmonic generation. Piezoelectric transducers were utilised to excite S1 …
based on second harmonic generation. Piezoelectric transducers were utilised to excite S1 …
Surface/sub-surface crack-scattered nonlinear rayleigh waves: a full analytical solution based on elastodynamic reciprocity theorem
High-order harmonics and sub-harmonics that are engendered upon interaction between
surface Rayleigh waves and material flaws have been exploited intensively, for …
surface Rayleigh waves and material flaws have been exploited intensively, for …
Model-driven fatigue crack characterization and growth prediction: A two-step, 3-D fatigue damage modeling framework for structural health monitoring
Prevailing fatigue damage evaluation approaches that make use of the acoustic nonlinearity
of guided ultrasonic waves (GUWs) are sustained by simplified models, most of which depict …
of guided ultrasonic waves (GUWs) are sustained by simplified models, most of which depict …
On-line prognosis of fatigue cracking via a regularized particle filter and guided wave monitoring
Simultaneous presence of multiple fatigue cracks in the same structural element is a critical
problem affecting system safety. However, initiation and growth of these cracks is affected by …
problem affecting system safety. However, initiation and growth of these cracks is affected by …
Health monitoring of CFRP laminates under cyclic loading via vibro-acoustic modulation based measurements
E Willmann, B Boll, M Scheel, RH Meißner… - Composite structures, 2023 - Elsevier
Estimating the damage state of composites is essential since carbon fibre reinforced
polymers (CFRP) have a complex damage and propagation behaviour. Accordingly, a …
polymers (CFRP) have a complex damage and propagation behaviour. Accordingly, a …
Dual crack growth prognosis by using a mixture proposal particle filter and on-line crack monitoring
On-line prognosis of fatigue cracks in the structure is challenging due to various
uncertainties affecting fatigue crack initiation and growth. This paper proposes an on-line …
uncertainties affecting fatigue crack initiation and growth. This paper proposes an on-line …
An instantaneous-baseline multi-indicial nonlinear ultrasonic resonance spectral correlation technique for fatigue crack detection and quantification
This article presents an instantaneous-baseline multi-indicial nonlinear ultrasonic
resonance spectral correlation technique for fatigue crack detection and quantification. A …
resonance spectral correlation technique for fatigue crack detection and quantification. A …
Vibro-acoustic modulation based measurements in CFRP laminates for damage detection in Open-Hole structures
E Willmann, B Boll, G Mikaelyan, H Wittich… - Composites …, 2023 - Elsevier
The occurrence of matrix cracks, fibre failures and delaminations results in a critical
degradation of the structural integrity of composites. A reliable early detection of these …
degradation of the structural integrity of composites. A reliable early detection of these …