Importance of in-plane shear rigidity in finite element analyses of woven fabric composite preforming

Boisse, Philippe; Zouari, Bassem; Daniel, Jean-Luc

doi:10.1016/j.compositesa.2005.09.018

Cited by 116 publications

(81 citation statements)

References 34 publications

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“…The different methods proposed for draping simulations of thin fabrics (2D) [14][15][16][17][18] cannot be used in this 3D problem. The proposed simulation method is based on a specific hexahedral finite element that is composed of yarns segments.…”

Section: Rtm Process Objective Of the Current Workmentioning

confidence: 99%

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Simulation of 3D interlock composite preforming

Luycker

Morestin

Boisse

et al. 2009

Composite Structures

121

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Section: Rtm Process Objective Of the Current Workmentioning

confidence: 99%

“…The proposed approach that is described below is a compromise between continuous and discrete approaches [18,19]. It associates a 3D finite element approximation to a discrete description of yarns within the element.…”

Section: Notationsmentioning

confidence: 99%

Simulation of 3D interlock composite preforming

Luycker

Morestin

Boisse

et al. 2009

Composite Structures

121

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“…On the one hand, mechanical algorithms can be applied which use the materials equilibrium equations to drape the material with the help of an external force. For instance, Boisse et al [18] and Badel et al [19] developed finite elements for a woven unit cell and compared the simulation of a draped hemisphere with experiments. Further, Nguyen et al [20] modeled the fiber rotation, shear and slip of plain weave by means of a truss model.…”

Section: Introductionmentioning

confidence: 99%

Cost/weight optimization of composite prepreg structures for best draping strategy

Kaufmann

Zenkert

Åkermo

2010

Composites Part A: Applied Science and Manufacturing

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PostprintThis is the accepted version of a paper published in Composites. Part A, Applied science and manufacturing. This paper has been peer-reviewed but does not include the final publisher proofcorrections or journal pagination.Citation for the original published paper (version of record):Kaufmann, M., Zenkert, D., Åkermo, M. (2010) Cost/weight optimization of composite prepreg structures for best draping strategy. May 2009The application of hand-laid carbon fiber prepreg is very expensive from a labor perspective. Therefore the manufacturing cost should be included in the design process. In this work, we propose a novel optimization framework which contains a draping simulation in combination with a detailed cost estimation package and the calculation of the structural performance based on FE. We suggest applying the methodology in two steps. First, a draping knowledge database is generated in which combinations of seed points and reference angles are evaluated in terms of fiber angle deviation, scrap, ultrasonic cuts and material shear. Second, a cost/weight optimization framework picks the best sets of plies during the subsequent optimization. The methodology is tested by means of a curved C-spar which is designed using plain weave and unidirectional prepreg. Different objectives in the generation of the draping database lead to different design solutions.

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“…Instead, a representative volume element (also known as unit cell) may be considered as a sub-model of the whole fabric structure. Based on a given fabric type and the loading mode, different unit cell models have been employed in the literature (Boisse et al, 2006;Peng et al, 2004). Figure 3a shows the unit cell employed in the present study.…”

Section: Geometrymentioning

confidence: 99%