Guided wave propagation and scattering in pipeworks ...

Simulation of Ultrasonic Guided Waves in Pipes by Finite Element ...

Modeling three-dimensional ultrasonic guided wave propagation and scattering in circular cylindrical structures using finite element approach.

Numerical study on guided-wave reflection and transmission at ...

The propagation modes, similar to the modes in a solid pipe, are strongly or perfectly reflected by the joint. However, the modes are ...

Guided wave propagation in pipes with viscoelastic coatings

Thus the only means of attenuation will be scattering and energy absorption due to viscoelastic effects in the propagating media. Reproduced with permission of ...

Ultrasonic guided wave propagation in pipes with viscoelastic coatings

The presence of viscoelastic coatings on pipes causes a practical difficulty for performing a guided wave inspection. This is due to the fact that the ...

Notch characterization in pipes from the scattering of helical-guided ...

HGUW are plane-strain guided waves propagating circumferentially in helical paths in large-diameter cylindrical structures, with the properties ...

Efficient finite element modelling of guided wave scattering from a ...

Wave propagation in various wave-guide geometries has also been modelled numerically, including pipes [Citation19–21] and plates [Citation22–24]. These ...

Ultrasonic guided wave propagation in pipes with elbows

Semantic Scholar extracted view of "Ultrasonic guided wave propagation in pipes with elbows" by L. Breon. ... Wave scattering 7. Surface and subsurface waves 8.…

Global–local model for three-dimensional guided wave scattering ...

Zhou WJ, Ichchou MN, Mencik JM. Analysis of wave propagation in cylindrical pipes with local inhomogeneities. J Sound Vib 2009; 319: 335–354.

Guided Wave Testing - UCL Discovery

2014) can be used to simulate guided wave propagation and scattering. Both ... "Investigation of guided wave propagation and attenuation in pipe buried in sand.

Curvature effects on wave propagation in an infinite pipe - NDT.net

As the guided waves travel through the pipe wall, they are affected by the features they encounter and are scattered. The scattering of guided elastic waves ...

Guided Wave Simulations in Pipes with Non-Axisymmetric ... - ASNT

First, the FE method was used to simulate guided wave scattering in a ... For the intact pipe, Figure 3 shows the guided wave propagating in the pipe ...

Analysis of wave scattering in pipes with non-axisymmetric and ...

... wave propagation patterns and mode conversions in a 12-in diameter pipe. ... guided wave in pipes · finite element modeling. We recommend. Wave Diffusion ...

Defect detection in plates using guided waves - Research Collection

culate the wave propagation and the scattering at a circular hole, employing clas¬ ... as one-dimensional structures, the guided wave propagating with ...

The Mode Conversion of a Guided Wave by a Part-Circumferential ...

P. ,. 1996. b, “. The effect of discontinuities on the long range propagation of Lamb waves in pipes. , ... Axisymmetric Guided Wave Scattering by Cracks in ...

Finite element modelling and simulation of guided wave ...

Figure 4-9 Lamb wave propagation and scattering at different time ... Guide wave propagation in steel pipes and the relationship between the guided wave.

ultrasonic guided waves and wave scattering in viscoelastic coated ...

In this work, guided wave propagation, scattering and focusing in coated pipes are studied comprehensively for the first time with numerical, analytical and ...

Analysis of Scattering and Mode Conversion of Torsional Guided ...

Guided wave is one of the ... guided wave scattering and mode conversion phenomena in pipes. ... wave propagation problems are solved in the time domain.

Theoretical and simulated analysis of guided waves propagating in ...

To keep the safety of nuclear power plants, nondestructive evaluation (NDE) of cylindrical pipes, which carry hot water, is an issue of a ...

Guided waves for damage identification in pipeline structures: A ...

2 GUIDED WAVE PROPAGATION IN PIPE STRUCTURES. 2.1 Multimode and ... 3 SCATTERING OF LINEAR GUIDED WAVES BY DEFECTS IN PIPES. 3.1 ...

INSPECTION OF PIPES USING LOW FREQUENCY FOCUSED ...

similarity of wave propagation of the torsional-flexural guided wave modes in pipes with the shear horizontal modes in plates established in section 2.3.4 ...