Transient wave scattering and forced response analysis of damaged composite beams through a hybrid finite element-wave based method

Mallouli, Marwa; Souf, Mohamed Amine Ben; Bareille, Olivier; Ichchou, Mohamed; Fakhfakh, Tahar; Haddar, Mohamed

doi:10.1016/j.finel.2018.04.011

Cited by 7 publications

(6 citation statements)

References 29 publications

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“…The construction of the Diffusion Matrix, which analyzes the scattering driven on by structural discontinuities, is the first stage in the design of this hybrid technique, which is discussed in detail in an earlier study. 34 The three periodic waveguides are all undamaged and coupled by just two coupling joints, respectively, showing the impact zone and damage.…”

Section: Review Of the Wfe Methodsmentioning

confidence: 99%

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Progressive failure analysis on composite structures using a wave based method

Mallouli,

Ben Souf,

Bareille

et al. 2023

Journal of Composite Materials

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This research examines a Progressive Damage Model for laminated composites using a wave-based technique. Using conventional numerical methodologies, such studies may require a significant amount of CPU time. Compared to standard techniques, the approach proposed can provide a quick and cost-effective evaluation. This work presents a numerical approach for dealing with periodic media subjected to an impact load that can provide damage initiate and evolution. The proposed model is based on a hybrid formulation for the wave-damage interaction that describes wave scatterings, as well as a stress analysis of a composite structure subjected to an impact force. The failure analysis is carried out by identifying the damage location and then describing the modification of the material properties of the damaged elements using Hashin’s failure criteria and material property degradation rules. A comparison of stress distribution with results from the conventional finite element approach was performed in order to confirm the hybrid WFE/FE method, and good agreement was noted. Finally, an impact on a composite beam was studied. The evolution of the structural failure is presented. This article takes into consideration material degradation over time.

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Section: Review Of the Wfe Methodsmentioning

confidence: 99%

“…An improved FE/WFE hybrid approach in the time domain was developed in our earlier study 34 to calculate the waves-damage interaction scattering coefficients and the forced response of damaged laminated composite structures. A new Diffusion Matrix Formulation was proposed to analyze the scattering induced by discontinuities in structure.…”

Section: Introductionmentioning

confidence: 99%

Progressive failure analysis on composite structures using a wave based method

Mallouli,

Ben Souf,

Bareille

et al. 2023

Journal of Composite Materials

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“…recently to develop a full transient simulation method based on WFE [215][216], addressing ultrasonic guided waves [217]. WFE can be considered as another semi-analytical method useful to bypass FEM inadequacy in dynamic analyses at medium-high frequencies [218].…”

Section: Wave and Finite Element Methodsmentioning

confidence: 99%

On ultrasound propagation in composite laminates: advances in numerical simulation

Maio

Fromme

2022

Progress in Aerospace Sciences

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“…This kind of “Global–Local” methods have been utilized in the past for guided wave scattering problems in isotropic plates, 1–7 isotropic lap-shear joints, 8 isotropic plates with welds, cracks and bar-shaped stiffeners, 9–11 axisymmetric waveguides, 12–15 and multilayered composite panels. 16–25 Some of the previous global–local studies have taken advantage of the computational efficiency of the Semi-Analytical Finite Element (SAFE) method 26–28 for the “global” portion of the model, and were applied to scattering studies in axisymmetric waveguides, 28,29 flat composite panels, 30,31 and, more recently, built-up skin-to-stringer composite assemblies. 32…”

Section: Introductionmentioning

confidence: 99%

Global–local model for three-dimensional guided wave scattering with application to rail flaw detection

Spada

Capriotti

Scalea

2021

Structural Health Monitoring

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This study presents a three-dimensional global–local formulation for the prediction of guided wave scattering from discontinuities (e.g. defects). The approach chosen utilizes the Semi-Analytical Finite Element method for the “global” portion of the waveguide, and a full Finite Element discretization for the “local” portion of the waveguide containing the discontinuity. The application of interest is the study of guided wave scattering from transverse head defects in rails. Theoretical scattering results are impossible to obtain in this case for a wide-frequency range. While three-dimensional Semi-Analytical Finite Element–Finite Element models for guided wave scattering studies have been used in the past, this is the only study where guided waves in rails were modeled in a wide-frequency range (up to 180 kHz). A comparison analysis with a benchmark study of wave reflections from the free end of a cylindrical rod is conducted first. For the case of the rail, selected case studies of incoming guided modes were chosen, and reflection and transmission spectra are calculated for head defects of various sizes. This kind of results can be utilized to guide and/or interpret ultrasonic guided wave tests aimed at defect detection or quantification. Finally, parametric studies are conducted to examine more closely the role of certain operational parameters that are important in this kind of analysis, and specifically the size of the “local” region and the number of guided modes considered. These parametric studies lead to compromises that need to be struck on the basis of conservation of energy among all wave modes involved.

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Transient wave scattering and forced response analysis of damaged composite beams through a hybrid finite element-wave based method

Cited by 7 publications

References 29 publications

Progressive failure analysis on composite structures using a wave based method

Progressive failure analysis on composite structures using a wave based method

On ultrasound propagation in composite laminates: advances in numerical simulation

Global–local model for three-dimensional guided wave scattering with application to rail flaw detection

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