Acta Mechanica Slovaca 2026, 30(1):20-24 | DOI: 10.21496/ams.2026.004

Numerical Analysis of the Buildability of a 3D-Printed Cylindrical Concrete Wall: A VoxelPrint-Abaqus Approach

Erika Dubňanská1, *, Martina Hančinová1, Jakub Mlotek2, Zdenko Bobovský2, Martin Hagara1, Róbert Huňady1
1 Technical University of Košice, Faculty of Mechanical Engineering, Department of Applied Mechanics and Mechanical Engineering, Letná 1/9, 042 00 Košice, Slovak Republic
2 VŠB - Technical University of Ostrava, Faculty of Mechanical Engineering, Department of Robotics, 17. listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic

Additive manufacturing (AM) of silicate-based materials has emerged as a significant research area, with adoption across construction, automotive and electrical engineering, as well as art and design. The rheology of fresh mixtures, along with process parameters (printing speed, layer height, bead width), strongly influences printability and buildability. In addition to experiments, numerical methods - particularly finite-element analysis - are increasingly used to predict the structural response and assess the stability of printed components. This study investigates the buildability of an extrusion-printed cylindrical concrete wall using a finite-element modelling (FEM) approach. A parametric model was created in VoxelPrint - a Grasshopper plug-in - and exported as an Abaqus input file (.inp) with the required model definitions (mesh, material properties, steps, boundary conditions, loads, and activation sets). To quantify discretization sensitivity, two voxel sizes were investigated - 8 mm and 4 mm. The model was analysed in Abaqus/Standard with stepwise element activation. Material behaviour was represented by a time-dependent material model based on the Mohr-Coulomb criterion, assuming a linear stress-strain response up to failure.

Keywords: numerical modelling; numerical simulation; 3D printing; silicate materials, concrete 3D printing; VoxelPrint, Abaqus

Received: November 10, 2025; Revised: November 10, 2025; Accepted: February 16, 2026; Published: April 1, 2026  Show citation

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Dubňanská, E., Hančinová, M., Mlotek, J., Bobovský, Z., Hagara, M., & Huňady, R. (2026). Numerical Analysis of the Buildability of a 3D-Printed Cylindrical Concrete Wall: A VoxelPrint-Abaqus Approach. Acta Mechanica Slovaca30(1), 20-24. doi: 10.21496/ams.2026.004
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