Draping of woven fabrics: Progressive drape model

Sharma, S.B.; Sutcliffe, Mpf

doi:10.1179/146580103225009149

Cited by 13 publications

(8 citation statements)

References 2 publications

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“…The nodes of

associated with nodes

and

of quadrilateral fabric mesh

(the

-nodes) are put on the tool surface along the geodesic lines emanating from the starting point. Regarding the

-nodes, various algorithms are proposed [ 29 , 45 , 46 , 47 , 48 ]. Most of them use an analytical expression of the surface and formulate the draping problem in terms of non-linear partial differential equations.…”

Section: Resultsmentioning

confidence: 99%

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Present State of the Art of Composite Fabric Forming: Geometrical and Mechanical Approaches

Cherouat

Borouchaki

2009

Materials

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Continuous fibre reinforced composites are now firmly established engineering materials for the manufacture of components in the automotive and aerospace industries. In this respect, composite fabrics provide flexibility in the design manufacture. The ability to define the ply shapes and material orientation has allowed engineers to optimize the composite properties of the parts. The formulation of new numerical models for the simulation of the composite forming processes must allow for reduction in the delay in manufacturing and an optimization of costs in an integrated design approach. We propose two approaches to simulate the deformation of woven fabrics: geometrical and mechanical approaches.

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“…The nodes of

associated with nodes

and

of quadrilateral fabric mesh

(the

-nodes) are put on the tool surface along the geodesic lines emanating from the starting point. Regarding the

Section: Resultsmentioning

confidence: 99%

“…It can be used to optimise the draping process (with respect to the above quality measure) by improving the lay-up directions or the marker data location. The lay-up of complex curved surfaces can be made in a few seconds [ 12 , 16 , 27 , 28 , 29 ]…”

Section: Introductionmentioning

confidence: 99%

Present State of the Art of Composite Fabric Forming: Geometrical and Mechanical Approaches

Cherouat

Borouchaki

2009

Materials

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“…Due to the lack of exact modeling of the material behavior, it is not possible to predict wrinkling by kinematic draping simulation. The drawbacks and advantages of kinematic methods have been extensively studied by multiple authors [32][33][34][35][36]. A main disadvantage of kinematic draping simulation is the dependence of the simulation result on the choice of the starting point and of the initial path of the kinematic algorithm [37,38].…”

Section: Suitability Of Existing Draping Simulation Methods For Optimmentioning

confidence: 99%

Multi-Objective Patch Optimization with Integrated Kinematic Draping Simulation for Continuous–Discontinuous Fiber-Reinforced Composite Structures

et al. 2018

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Discontinuous fiber-reinforced polymers (DiCoFRP) in combination with local continuous fiber reinforced polymers (CoFRP) provide both a high design freedom and high weight-specific mechanical properties. For the optimization of CoFRP patches on complexly shaped DiCoFRP structures, an optimization strategy is needed which considers manufacturing constraints during the optimization procedure. Therefore, a genetic algorithm is combined with a kinematic draping simulation. To determine the optimal patch position with regard to structural performance and overall material consumption, a multi-objective optimization strategy is used. The resulting Pareto front and a corresponding heat-map of the patch position are useful tools for the design engineer to choose the right amount of reinforcement. The proposed patch optimization procedure is applied to two example structures and the effect of different optimization setups is demonstrated.

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“…This model is the continuum limit of the discrete model described in Sections 4 and 6 and also in [1].…”

Section: A Continuum Modelmentioning

confidence: 99%

New Techiques for Composite Wing Manufacture

Barton

Ockendon

Piette

et al. 2021

Preprint

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This report addresses the construction of carbon fibre wing boxes and the problems associated with using carbon fibre sheets rather than individual carbon fibre tapes. In the case that the wing boxes are developable surfaces the lay up of carbon fibre sheets is straightforward, since the fibres can follow the contours of the surface without any need for shearing or extension of the fibres. To further expand the potential design space for the wing boxes, this report investigates the lay up of sheets over non-developable surfaces where some shearing of the sheet is required to achieve the desired results. In this report, three analytical approaches are considered, driven by the results from numerical studies on different surface geometries. Each of the approaches offers insights as to the type of geometric perturbations achievable when constrained by a maximum shear angle.

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Draping of woven fabrics: Progressive drape model

Cited by 13 publications

References 2 publications

Present State of the Art of Composite Fabric Forming: Geometrical and Mechanical Approaches

Present State of the Art of Composite Fabric Forming: Geometrical and Mechanical Approaches

Multi-Objective Patch Optimization with Integrated Kinematic Draping Simulation for Continuous–Discontinuous Fiber-Reinforced Composite Structures

New Techiques for Composite Wing Manufacture

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