Optimizing Reverse-Engineered Finite Element Models for Accurate Predictions of Experimental Measurements

A R Chezan, T Dhawale, E H Atzema, A Barlo, O Aeddula, J Pilthammar, M Sigvant, N A J Langerak
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Abstract

This study investigates the challenges of reverse engineering in finite element modelling of sheet metal forming, specifically for the Volvo XC90 front door inner component. Advanced models incorporating anisotropic behaviour of steel and non-linear friction are compared against actual real-world measurements. The methodology involves simplifying complex continuous parameters into more manageable representative data sets and assessing model accuracy under both uniform and varied blank holder force settings, guided by measured contact pressure distributions. Although the results indicate an improvement in accuracy, they underscore the need for additional methodological improvements and more accurate replication of tooling effects to enhance the fidelity and effectiveness of these models.
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优化逆向工程有限元模型,准确预测实验测量结果
本研究探讨了在钣金成型有限元建模中逆向工程所面临的挑战,特别是沃尔沃 XC90 前门内侧部件。将包含钢的各向异性和非线性摩擦的先进模型与实际测量结果进行了比较。该方法包括将复杂的连续参数简化为更易于管理的代表性数据集,并以测量的接触压力分布为指导,评估模型在均匀和不同坯料夹持力设置下的准确性。尽管结果表明准确性有所提高,但仍强调需要进一步改进方法,更准确地复制工具效应,以提高这些模型的保真度和有效性。
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