Research data supporting "Fracture toughness of semi-regular lattices" published in International Journal of Solids and Structures in 2023. This dataset includes: Processed data plotted in Figures 4, 5, 6, 10, and A2 (*.xlsx files). Raw data plotted in Figure 8 (Fig 8.xlsx). CAD files for all test specimens (*.STL files). Python scripts used to generate the finite element models (*.py files). These have to be used with the commercial software Abaqus CAE.

2024