Please note that a complete list of my publications can be found on my Google Scholar, Scopus, and ResearchGate profiles.

Refereed Journal Articles

  1. L. Simwanda, P. Gatheeshgar, M. Sykora, P. Sejkot, AB David, OB Olalusi. Local buckling strength prediction of slotted cold-formed steel beams using ensemble learning, (Accepted), Journal of Constructional Steel Research, Elsevier

  2. Silewu, K.; Kahanji, C.; Simwanda, L.; Sykora, M. Intelligent Data Driven Ensemble Approaches for Bending Strength Prediction of Ultra-High Performance Concrete Beams. Bulletin of Computational Intelligence 2025, 1 (1), 31–52

  3. L. Simwanda, A.B Davida,O.B. Olalusi, I.B Muhit. Shear capacity prediction and reliability analysis of CRC beams via generative modeling and ensemble learning, Engineering Applications of Artificial Intelligence, Vol. 157, pp. 111085, doi: 10.1016/j.engappai.2025.111085

  4. Simwanda, L., Dr, PhD, Sykora, M., Assoc. Prof. ,. PhD, & Lenner, R., Assoc. Prof. ,. PhD. (2025). Full and Semi-Probabilistic Analysis of Ultra-High-Performance Concrete Beams in Bending via Machine Learning.Structural Engineering International, 1–15. doi: 10.1080/10168664.2025.2500458

  5. M. M. Madirisha, L. Simwanda, and R. P. Mtei, "Predicting the hydrogen storage capacity of alumina pillared interlayer clays using interpretable ensemble machine learning," Int. J. Hydrogen Energy, vol. 120, pp. 354-364, 2025. doi: 10.1016/j.ijhydene.2025.03.216.

  6. Amika, A.U., Haas, T.N., Simwanda, L. Reliability-based assessment of a multilinear regression model for estimating the ultimate load of eccentrically loaded slender circular CFDST columns. Structural Concrete, 2025. doi: 10.1002/suco.202400418

  7. Simwanda, L., Ikotun, B.D., Ilunga, F.M., Onyari, E.K. “Epistemic uncertainties in torque capacity prediction models for circular CFDST members”, Journal of Construction Steel Research, 2025, volume 226, pages 109299, doi: 10.1016/j.jcsr.2024.109299

  8. Gatheeshgar, P., Ranasinghe, R. S. S., Mohotti, D., Meddage, D. P. P., & Simwanda, L. (2024). Machine learning prediction of web crippling strength in cold-formed steel beams with staggered slotted perforations. Structures,71:108079, doi.org/10.1016/j.istruc.2024.108079

  9. David, A.B.; Olalusi, O.B.; Awoyera, P.O.; Simwanda, L. Suitability of Mechanics-Based and Optimized Machine Learning-Based Models in the Shear Strength Prediction of Slender Beams Without Stirrups. Buildings 2024, 14, 3946. https://doi.org/10.3390/buildings14123946

  10. Amika AU, Haas TN, Simwanda L. Multilinear regression model for predicting the ultimate load of slender circular CFDST columns subjected to concentric and eccentric loading. Structural Concrete. 2024. https://doi.org/10.1002/suco.202400417

  11. Simwanda, L., Gatheeshgar, P., Ilunga, F. M., Ikotun, B. D., Mojtabaei, S. M., & Onyari, E. K. (2024). Explainable machine learning models for predicting the ultimate bending capacity of slotted perforated cold-formed steel beams under distortional buckling. Thin-Walled Structures, 112, 112587. https://doi.org/10.1016/j.tws.2024.112587

  12. Chandrasiri D, Gatheeshgar P, Ahmadi HM, Simwanda L. Numerical Study of Thermal Efficiency in Light-Gauge Steel Panels Designed with Varying Insulation Ratios. Buildings. 2024; 14(1):300. https://doi.org/10.3390/buildings14010300

  13. L. Simwanda, P. Gatheeshgar, BD. Ikotun, M. Bock, FM Ilunga, EK. Onyari, “Reliability analysis of shear design provisions for cold formed steel sections”, Journal of Construction Steel Research, 217 (2024): 108656, doi.org/10.1016/j.jcsr.2024.108656.

  14. Simwanda L, Ikotun BD. Prediction of Torque Capacity in Circular Concrete-Filled Double-Skin Tubular Members under Pure Torsion via Machine Learning and Shapley Additive Explanations Interpretation. Buildings. 2024; 14(4):1040. https://doi.org/10.3390/buildings14041040

  15.  L. Simwanda, N. De Koker, C. Viljoen, and AJ. Babafemi, “Structural reliability of ultra-high-performance fiber reinforced concrete beams in shear” Structural Concrete, 2023; 24(2): 2862– 2878. https://doi.org/10.1002/suco.202200342

  16. L. Simwanda, C. Kahanji, and F. Ali, “Numerical simulation, parametric analysis and design of UHPFRC Beams exposed to fire”, Structures 52,1-16 (2023), doi.org/10.1016/j.istruc.2023.03.155.

  17. L. Simwanda, N. De Koker, C. Viljoen, and AJ. Babafemi, “Bayesian calibration and reliability of UHPFRC beams in fire”, Structural Safety 103, 102352 (2023) https://doi.org/10.1016/j.strusafe.2023.102352

  18. L. Simwanda, N. De Koker, and C. Viljoen, “Structural reliability of ultra-high-performance fibre reinforced concrete beam in flexure”, Engineering Structures 244, 112767 (2021), https://doi.org/10.1016/j.engstruct.2021.112767

Lenganji Simwanda, Ph.D

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