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首页> 外文期刊>Procedia Manufacturing >Blank geometry design for carbon fiber reinforced plastic (CFRP) preforming using finite element analysis (FEA)
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Blank geometry design for carbon fiber reinforced plastic (CFRP) preforming using finite element analysis (FEA)

机译：使用有限元分析（FEA）的碳纤维增强塑料（CFRP）预成型的空白几何设计

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摘要

Carbon fiber reinforced plastics (CFRPs) have attracted growing attention from transportation industry because of their superior performance over metal counterparts. The thermoforming process has been invented for mass-production of CFRP parts. This thermoforming process involves multiple steps and numerous parameters, and one of the most important process parameters is the initial blank geometry. To optimize blank geometry in thermoforming and minimize trimming work for the final part, an innovative approach integrating automatic mesh adjustment and FEA modeling method for preforming is developed as foundation of design and reported in this paper. Preliminary trial-and-error optimization algorithm demonstrates that this newly-developed approach can accurately design blank geometry under various typical process conditions.
机译：由于它们对金属对应物的卓越性能，碳纤维增强塑料（CFRPS）引起了运输业的严重关注。已经发明了热成型过程用于CFRP部件的大规模生产。该热成型过程涉及多个步骤和许多参数，最重要的过程参数之一是初始空白几何形状。为了优化热成型的空白几何形状，最大限度地减少最终部分的修剪工作，将自动网格调节和FEA建模方法的创新方法作为设计的基础，本文报道。初步试验和错误优化算法表明，这种新开发的方法可以在各种典型工艺条件下准确地设计空白几何体。

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