Parameters Calibration of the GISSMO Failure Model for SUS301L-MT

نویسندگان

چکیده

Abstract With the development of rail transit industry, more attention has been paid to passive safety vehicles. Structural damage is one main failure behaviors in a vehicle collision, but it little past research. In this paper, quasi-static fracture experiments SUS301L-MT under different stress states were carried out. The mechanical properties material studied, and corresponding finite element simulation accuracy was improved guide design crashworthiness. Through tests, behavior materials with wide triaxiality obtained, each specimen's locations strains determined. Parameters generalized incremental state dependent model (GISSMO) calibrated, model's verified test results from 45° shear specimen. GISSMO accurately reflected characteristics material. mesh dependency modified discussed. show that agrees well experimental data for force-displacement curve after correction, strain distribution needs be further studied improved.

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ژورنال

عنوان ژورنال: Chinese Journal of Mechanical Engineering

سال: 2023

ISSN: ['1000-9345', '2192-8258']

DOI: https://doi.org/10.1186/s10033-023-00844-2