Muthanna Journal of Engineering and Technology
Volume (11), Issue (1), Year (30 June 2023), Pages (16-25)
DOI:10.52113/3/eng/mjet/2023-11-01/16-25
Research Article By:
Maryam Jebur Al-Sultan and Ali Al-Rifaie
Corresponding author E-mail: maryamjabr168@gmail.com and maryam.j.k@mu.edu.iq
ABSTRACT
In this study, the dynamic response of steel beams with hexagonal web openings (SBHWOs) is numerically examined. ABAQUS was used to create precise 3D nonlinear finite element models (FEMs). The impact forces, displacement histories, and failure shapes from published experimental tests were used to verify the FEMs built in the current study. Both the numerical and experimental results were found to be in good agreement in terms of displacement and failure shape, in addition, to impact force. It has been established that the FE models proposed were capable of addressing the entire response of the samples in elastic, plastic, and damage stages, despite the slight variation in the level of accuracy that was observed. Furthermore, the current study examined the relationship between impact energy, opening spacing, and opening height to determine how these factors affect the dynamic responses of SBHWOs. The results showed that both the magnitude of the displacement and the duration of the impact increase as the impact energy does. The maximum impact force was higher, but the impact duration and after-impact displacement were both lower when the opening spacing was increased. Increasing in opening height led to decreases in maximum impact force and average plateau impact force corresponding to an increase in impact duration and post-impact displacement.
Keywords: Dynamic response, finite element method, hexagonal web openings, impact, steel beams.