Large-displacement response of unreinforced masonry structures: comparison between analytical solutions and DEM models including opensource software

Bouckaert, Igor;Godio, Michele;Saraiva Esteves Pacheco De Almeida, João;et.al.
(2021) 8th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering — Location: Athens, Greece (27.June.2021)

Files

Large_displacement_response_of_unreinforced_masonry_comparison_between_analytical_and_dem.pdf
  • Open Access
  • Adobe PDF
  • 2.95 MB
Download

Details

Authors
Abstract
Unreinforced masonry (URM) has been the most widespread construction material for centuries and is widely used in many countries. Accurate numerical models for this material are required when designing new structures, and, even more importantly, for assessing or renovating the existing stock. However, an accurate modelling of URM structures remains a challenge due to its highly non-linear mechanical behaviour involving, among other features, large out-of-plane displacements, the variability of the material properties, and the influence of construction details. The discrete element method (DEM), for which applications to masonry structures appeared in the 1990s, has gained in popularity due to its capacity to accurately capture masonry-specific phenomena; in particular, as it represents the structure as an assembly of distinct blocks, deformations are concentrated at the interfaces with low or zero tension strength, and the effect of large displacements. Unfortunately, the majority of computer programs for structural analysis based on the DEM are proprietary software, which limits its spread among practitioners and researchers. The aim of this work is to evaluate the open-source software package LMGC90, which implements the Non-Smooth Contact Dynamics Method, as a tool for modelling masonry structures.
Affiliations

Citations

  • APA
  • Chicago
  • FWB

Bouckaert, I., Godio, M., Saraiva Esteves Pacheco De Almeida, J., & et al. (2021). Large-displacement response of unreinforced masonry structures: comparison between analytical solutions and DEM models including opensource software. Proceedings of the 8 th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Streamed from Athens, Greece, 4317-4330. https://hdl.handle.net/2078.5/220375