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2019 | OriginalPaper | Buchkapitel

Efficiency and Reliability of Gravity Die Casting Models for Simulation Based Design

verfasst von : A. Vergnano, E. Brambilla, G. Bonfiglioli

Erschienen in: Advances on Mechanics, Design Engineering and Manufacturing II

Verlag: Springer International Publishing

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Abstract

Simulation of Gravity Die Casting (GDC) requires coupling different models for fluid dynamics, heat transfer and solidification, together with material physics properties. Very long calculation times are required since several heating and production cycles have to be run. The simplification of the simulation models is critical to have results in times suitable for the design process. The present work discusses the solidification and heat transfer physics with simplification hypotheses. A simulation approach skipping the pouring model for the heating cycles is introduced. A realistic case study on an engine head GDC is presented to evaluate four possible simulation sequences. The results show that including the heating cycles in the simulation is advisable. The simplified sequences reproduce the temperature field of the die with sufficient accuracy. The proposed simulation approach results in considerable time saving with respect to the actual simulations and even in accuracy improvements.

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Metadaten
Titel
Efficiency and Reliability of Gravity Die Casting Models for Simulation Based Design
verfasst von
A. Vergnano
E. Brambilla
G. Bonfiglioli
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-12346-8_1

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