1 option
Advanced Material Modelling for Failure Prediction of ISOFIX Anchorages Tata Motors Limited
- Format:
- Book
- Conference/Event
- Author/Creator:
- Neve, Vijay Shrikrishna, author.
- Conference Name:
- Symposium on International Automotive Technology (2024-01-23 : Pune, India)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- ISOFIX anchorage plays a critical role in restraining child occupants during crashes. Effective design of ISOFIX anchorages is essential for achieving controlled child occupant kinematics. CAE simulations are extensively used for the development of ISOFIX anchorages. Comprehensive material characterization of ISOFIX wires play a vital role for achieving desired prediction accuracy. This paper covers the detailed process of ISOFIX material characterization for material failure prediction. ISOFIX wires are case hardened to exhibit required strength characteristics. Due to its material characteristics, the conventional material models don't give desired prediction accuracy for failure prediction. Therefore, advanced material models are developed in LS Dyna environment, which can accurately predict plastic and fracture behavior of ISOFIX wires. Extensive coupon level material testing was done to achieve the material hardening and failure characteristic in Tension, Compression, Shear, and Bending and combine loadings. A series of simulations were carried out to correlate these tests and development of LS Dyna executable material model. This material model includes, yield locus definition considering state of loading, strain hardening data covering quasi static and dynamic strain rates and failure limit curves considering Instability, ductile normal fracture and ductile shear fracture criteria. This material model is validated with component level physical tests. The developed material model can predict the accurate plastic deformation and failure behavior of ISOFIX anchorages. The detailed process for new material model development and its validation through series of digital and physical tests presented in this paper
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-26-0300
- Access Restriction:
- Restricted for use by site license
The Penn Libraries is committed to describing library materials using current, accurate, and responsible language. If you discover outdated or inaccurate language, please fill out this feedback form to report it and suggest alternative language.