Abstract
Methodology developed for reliability calculations of structures is applied to estimate reliability of sheet metal forming operations, typical mechanical problems characterized with large deformations. Forming Limit Diagrams (FLD) used in the industrial practice as a criterion of material breakage in the manufacturing process are treated as the limit state function for reliability analysis. We try to quantify intuitive terms of probability of failure/success of forming operations given some uncertainty of parameters characterizing a forming process like friction parameters or blankholding force. Since the employment of the gradient-based reliability techniques is very much limited due to numerical noise introduced by the explicit dynamic algorithm used to perform sheet stamping simulation, the method of Adaptive Monte Carlo simulations and Response Surface method were chosen for reliability assessment.
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Kleiber, M., Knabel, J., Rojek, J., Stocki, R. (2003). Reliability-Based Analysis of Large Deformations in Metal Forming Operations. In: Miehe, C. (eds) IUTAM Symposium on Computational Mechanics of Solid Materials at Large Strains. Solid Mechanics and Its Applications, vol 108. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0297-3_40
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DOI: https://doi.org/10.1007/978-94-017-0297-3_40
Publisher Name: Springer, Dordrecht
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