Propeller blade debris kinematics

Ortiz, Roland; Casadei, Folco; Mouton, Sylvain; Sobry, J.F.

doi:10.1007/s13272-018-0313-4

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…Recent advancements [9,12,13,14,15] in EPX allow for automatic adaptive mesh refinement (AMR) near the fluid-structure interface (FSI-driven adaptation of fluid mesh), which improves the accuracy of the embedded approach. As shown in Fig.…”

Section: Computational Methodology To Study Fsi Effectsmentioning

confidence: 99%

Coupled Simulations of Extreme Fluid-Structure Dynamics

Aune,

Valsamos,

Casadei

2023

10th Edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering

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This work presents ongoing research on the influence of fluid-structure interaction (FSI) effects on the ductile crack growth in blast-loaded steel plates. Thin steel plates with Xshaped, pre-formed defects are used to allow for large, inelastic strains and ductile fracture. FSI effects were studied by comparing the numerical predictions of the uncoupled and the coupled FSI approach, where experimental data served as a backdrop to evaluate the accuracy of the numerical simulations. Numerical simulations are conducted in the EUROPLEXUS software. The clear conclusion from this study is that ductile fracture and crack propagation are influenced by FSI effects during the dynamic response of the plate. That is, the crack growth was very sensitive to the actual loading on the plate. Moreover, because the increase in CPU cost may be significant when uniformly refining the mesh, adaptive mesh refinement (AMR) was found very promising in reducing the CPU cost and maintaining the solution's accuracy. The performance of AMR is an interesting finding in the view of numerical simulations of coarsely meshed (prior to AMR) shell structures exposed to blast loading.

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Section: Computational Methodology To Study Fsi Effectsmentioning

confidence: 99%

Coupled Simulations of Extreme Fluid-Structure Dynamics

Aune,

Valsamos,

Casadei

2023

10th Edition of the International Conference on Computational Methods for Coupled Problems in Science and Engineering

View full text Add to dashboard Cite

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“…Each blade component mesh was deformed by means of a spring-based smoothing method, therefore adopting an arbitrary Lagrangian-Eulerian (ALE) formulation. Compared to other methods present in the literature [43], the adopted methodology can consistently preserve an appropriate y + value of the stretched cells in the region adjacent to each wall. This ensured a well-resolved near-wall flow at a reasonable computational cost.…”

Section: Fsi Couplingmentioning

confidence: 99%

Fluid–Structure Interaction Simulations of a Wind Gust Impacting on the Blades of a Large Horizontal Axis Wind Turbine

et al. 2020

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The effect of a wind gust impacting on the blades of a large horizontal-axis wind turbine is analyzed by means of high-fidelity fluid–structure interaction (FSI) simulations. The employed FSI model consisted of a computational fluid dynamics (CFD) model reproducing the velocity stratification of the atmospheric boundary layer (ABL) and a computational structural mechanics (CSM) model loyally reproducing the composite materials of each blade. Two different gust shapes were simulated, and for each of them, two different amplitudes were analyzed. The gusts were chosen to impact the blade when it pointed upwards and was attacked by the highest wind velocity due to the presence of the ABL. The loads and the performance of the impacted blade were studied in detail, analyzing the effect of the different gust shapes and intensities. Also, the deflections of the blade were evaluated and followed during the blade’s rotation. The flow patterns over the blade were monitored in order to assess the occurrence and impact of flow separation over the monitored quantities.

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