Application of micromechanical models for elasticity and failure to short fibre reinforced composites. Numerical implementation and experimental validation

Laspalas, Manuel; Crespo, Cristina; Jiménez, Miguel; García, B.; Pelegay, J. L.

doi:10.1016/j.compstruc.2007.04.024

Cited by 43 publications

(25 citation statements)

References 12 publications

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“…Contrarily to some previous models [15,16], the composite's strength is not obtained by orientation averaging over the strengths of individual uni-directional (UD) composites. Instead, the macroscopic response is computed incrementally as the average response of an aggregate of pseudograins (PGs).…”

Section: Discussionmentioning

confidence: 99%

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Micromechanical modeling of the progressive failure in short glass–fiber reinforced thermoplastics – First Pseudo-Grain Damage model

Kammoun

Doghri

Brassart

et al. 2015

Composites Part A: Applied Science and Manufacturing

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Section: Discussionmentioning

confidence: 99%

“…This approach to composite failure has been first proposed by Halpin and Karoos [14] who relied on the laminate analogy. Recent contributions based on the Mori-Tanaka scheme include those of Laspalas et al [15] and Nguyen et al [16].…”

Section: Introductionmentioning

confidence: 99%

Micromechanical modeling of the progressive failure in short glass–fiber reinforced thermoplastics – First Pseudo-Grain Damage model

Kammoun

Doghri

Brassart

et al. 2015

Composites Part A: Applied Science and Manufacturing

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“…Strains and periodic boundary conditions are prescribed via multi-point constraints (MPC). After solving six BVPs, both the stresses (16) and strains (17) are averaged in the post-processing stage of the analysis,…”

Section: Determination Of Unidirectional Composite Propertiesmentioning

confidence: 99%

“…Other widely used homogenization schemes are mean field methods [5]. Determination of the effective properties of short glass fiber composites by using a mean field approach can be found in [11,17,21,23,26]. Usage of mean field methods can lead to obtain accurate results with low computational cost.…”

Section: Introductionmentioning

confidence: 99%

“…To couple fiber orientation data obtained from injection-molded analysis and homogenized material parameters, the orientation averaging approach proposed by Advani and Tucker is considered [2]. There are several works that are connected with the usage of a similar approach [11,17,25]; however, this study focuses on the estimation of natural frequencies, transient response of exemplary composite part and numerical validation of orientation averaging procedure. To create the finite element model, LS-Dyna software was adopted.…”

Section: Introductionmentioning

confidence: 99%

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A study on fiber orientation influence on the mechanical response of a short fiber composite structure

Ogierman

Kokot

2015

Acta Mech

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This paper deals with the structural analysis of composite materials with non-homogenous orientation of the reinforcement. During this research, a short fiber-reinforced polymer matrix composite is studied. In this case, inhomogeneity of the reinforcement orientation caused by injection molding manufacturing process is analyzed. The main objective of the paper is the investigation of an influence of process-induced orientation of the reinforcement on mechanical properties of the material in comparison with unidirectional and random reinforcement orientation. In particular, natural frequencies and transient response of an exemplary composite component are investigated. To specify effective properties of the composite, Mori-Tanaka's micromechanical model is assumed. Orientation distribution of the reinforcement is determined by injection molding simulation. To determine elastic material properties dependent on non-homogenous orientation of the reinforcement, an orientation averaging procedure is taken into account. Therefore, during this study, effectiveness of the orientation averaging procedure and different closure approximations influence on the results are studied. Orientation averaging results are compared with numerical results obtained by finite element-based homogenization of composites with prescribed second-order orientation tensor. Finally, the obtained material parameters were applied into a macroscale finite element model, and numerical simulation with different boundary conditions was conducted.

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Experimental Observations of Fatigue of Short Fiber Reinforced Composites

2017

Fatigue of Textile and Short Fiber Reinforced Composites

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Application of micromechanical models for elasticity and failure to short fibre reinforced composites. Numerical implementation and experimental validation

Cited by 43 publications

References 12 publications

Micromechanical modeling of the progressive failure in short glass–fiber reinforced thermoplastics – First Pseudo-Grain Damage model

Micromechanical modeling of the progressive failure in short glass–fiber reinforced thermoplastics – First Pseudo-Grain Damage model

A study on fiber orientation influence on the mechanical response of a short fiber composite structure

Experimental Observations of Fatigue of Short Fiber Reinforced Composites

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