Abstract
Locally load-optimized fiber-based composites, the so-called tailored textiles (TT), offer the potential to reduce weight and cost compared to conventional fiber-reinforced plastics (FRP). However, the design of TT has a higher complexity compared to FRP. Current approaches, focusing on solving this complexity for multiple objectives (cost, weight, stiffness), require great effort and calculation time, which makes them unsuitable for serial applications. Therefore, in this paper, an approach for the efficient creation of simplified TT concept designs is presented. By combining simplified models for structural design and cost estimation, the most promising concepts, regarding the cost, weight, and stiffness of TT parts, can be identified. By performing a parameter study, the cost, weight, and stiffness optima of a sample part compared to a conventional FRP component can be determined. The cost and weight were reduced by 30% for the same stiffness. Applying this approach at an early stage of product development reduces the initial complexity of the subsequent detailed engineering design, e.g., by applying methods from the state of the art.
Highlights
Composites from fiber reinforced plastics (FRP) offer high weight-saving potentials compared to isotropic materials
In order to overcome the mentioned deficits, this paper presents a novel simplified exploit FRP’s full lightweight potential [18,19,20]
This paper presents an approach of combining novel models for structural design and cost estimation
Summary
Composites from fiber reinforced plastics (FRP) offer high weight-saving potentials compared to isotropic materials. The mfkCode presents an approach of clustering similar elements, to consider manufacturing aspects [21] These approaches mainly focus on the determination of optimum fiber paths and require personal-biased user inputs, such as starting values or specific algorithm parameters, and additional software tools for the visualization and manual selection of load paths. By combining both models, optimized concepts of TT, regarding the Approaches for economic assessment generally focus on full-surfaced fabrics and not trade-off between stiffness, weight, and cost can be realized, without causing numerous local reinforcements. The influences of the reinforcements for TT a simplified and more generic cost model, running total development time for TT components can be further decreased, by reducing the initial on a minimal parameter is necessary. To examine feasible stress thresholds and deviation factors with regard to optimum cost, stiffness, and weight
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