Numerical Analysis of Macro-Scale Mechanical Behaviors of 3D Orthogonal Woven Composites using a Voxel-Based Finite Element Model

Song, Yu; Zhang, Diantang; Qian, Kun

doi:10.1007/s10443-018-9707-z

Cited by 11 publications

(2 citation statements)

References 24 publications

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“…In recent years, the pixel (2D) or voxel (3D)-based meshes are attracting more and more attention thanks to their simplicity [10,11,12,13,14,15]. A voxel-based mesh is a structured mesh generated directly from digital images or from a geometrical model.…”

Section: Introductionmentioning

confidence: 99%

Numerical artifacts of Fast Fourier Transform solvers for elastic problems of multi-phase materials: their causes and reduction methods

Shakoor

Vasiukov

et al. 2021

Comput Mech

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Numerical artifacts in the form of spurious oscillations are among the critical issues of Fast Fourier Transfer (FFT) methods for solving multiphase elastic problems such as numerical homogenization, in spite of their computational simplicity and efficiency. In the first part of the present work, it is shown that the irregular discretization of the interface due to the use of a voxel-based discretization is the dominant cause of oscillations. The second part of the present work focuses on numerical artifacts reduction schemes, and in particular special treatments for dealing with the irregular discretization of the interface such as the composite voxel method and neighbor averaging methods. An improved composite voxel method by using the level-set technique is proposed, which alleviates the implementation

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Section: Introductionmentioning

confidence: 99%

Numerical artifacts of Fast Fourier Transform solvers for elastic problems of multi-phase materials: their causes and reduction methods

Shakoor

Vasiukov

et al. 2021

Comput Mech

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show abstract

“…The results show that there is a satisfactory agreement between the experimental and predicted values. Since then, considering the difficulty of generating high-quality grids for the UCM, Zhang et al [25][26][27][28] established the UCM by voxel-mesh method, which improved the prediction accuracy to a certain extent. In fact, it is difficult to improve the prediction accuracy of the RVC significantly without reckoning the actual factors, such as the SEE.…”

Section: Introductionmentioning

confidence: 99%

Investigation of mechanical properties for 2.5D woven composites with different weft-layer-numbers by a triple-cell model system

Guo

Wen

Zhang

et al. 2020

Journal of Industrial Textiles

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As a new type of textile composites with broad application prospects, it is essential to study the prediction method of the mechanical properties of 2.5 D woven composites (2.5DWC). Currently, the most popular prediction method is to use a representative volume cell (RVC) for numerical simulation, so the reasonableness of RVC determines the prediction accuracy. However, many practical factors are ignored in the traditional periodic unit-cell model (UCM), such as the weft-layer-number (WLN), resulting in low prediction accuracy; while the full-cell model (FCM) in which the surface extrusion effect (SEE) and WLN are considered has the problems of complex modeling and high computational cost. To solve these problems, a triple-cell model (TCM) system is proposed, which includes four RVCs that are applicable to different WLNs, each of which is composed of different sub-cells (surface-cell, transition-cell, and inner-cell) which are categorized according to the characteristics of the actual weft yarn cross-section. Based on the progressive damage method, the stiffness, strength, and damage behavior of 2.5DWC with different WLNs are predicted, and the TCM prediction results are compared with the results of the experiment, the UCM, and the FCM. Compared with the experimental results, the prediction accuracy of the TCM is more than 8% higher than that of the UCM, and the difference between the prediction results of the TCM and FCM is less than 5%. Therefore, the proposed TCM system has the characteristics of high prediction accuracy, relatively simple modeling, and the applicability of any WLN.

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Impact Response of Carbon/Kevlar Hybrid 3D Woven Composite Under High Velocity Impact: Experimental and Numerical Study

et al. 2020

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Numerical Analysis of Macro-Scale Mechanical Behaviors of 3D Orthogonal Woven Composites using a Voxel-Based Finite Element Model

Cited by 11 publications

References 24 publications

Numerical artifacts of Fast Fourier Transform solvers for elastic problems of multi-phase materials: their causes and reduction methods

Numerical artifacts of Fast Fourier Transform solvers for elastic problems of multi-phase materials: their causes and reduction methods

Investigation of mechanical properties for 2.5D woven composites with different weft-layer-numbers by a triple-cell model system

Impact Response of Carbon/Kevlar Hybrid 3D Woven Composite Under High Velocity Impact: Experimental and Numerical Study

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