Theoretical and Applied Fracture Mechanics - Pathirage Research Group 

Journal Articles

2025

(27) Pathirage, M.* (2025). Differential formulation and solution of a cohesive crack problem. Journal of the Mechanics and Physics of Solids, 106377. (*corresponding author)

(26) Yang, L. and Pathirage, M. (2025). Discrete modeling of aging creep in concrete. Buildings, 15(16):2841.

(25) Pathirage, M.*, Pijaudier-Cabot, G., Grégoire, D., Cusatis, G. (2025). Transformation and Regression Statistics of the Size-effect Method for Determining Fracture Energy and Process Zone Size in Quasi-Brittle Materials. Materials and Structures, 58(1), 39. (*corresponding author)

2024

(24) Pijaudier-Cabot, G., Toussaint, D., Pathirage, M., & Cusatis, G. (2024). The Role of the Horizon in Modeling Failure due to Strain and Damage Localization with Peridynamics. Journal of Engineering Mechanics, 150(7), 04024037.

2023

(23) Lyu, Y., Pathirage, M., Nguyen, H. T., Bažant, Z. P., & Cusatis, G. (2023). Dissipation mechanisms of crack-parallel stress effects on fracture process zone in concrete. Journal of the Mechanics and Physics of Solids, 181, 105439.

Journal Articles from Past Research Executed at Northwestern University

2023

(22) Mercuri, M., Pathirage, M.*, Gregori, A., & Cusatis, G. (2023). Influence of self-weight on size effect of quasi-brittle materials: Generalized analytical formulation and application to the failure of irregular masonry arches. International Journal of Fracture, 246(2), 117-144. (*corresponding author)

(21) Pathirage, M., Zhang, B., Alnaggar, M., & Cusatis, G. (2023). Confinement and alkali-silica reaction in concrete: Review and numerical investigation. International Journal of Solids and Structures, 277, 112341.

(20) Lyu, Y., Pathirage, M.*, Ramyar, E., Liu, W. K., & Cusatis, G. (2023). Machine learning meta-models for fast parameter identification of the lattice discrete particle model. Computational Mechanics, 72(3), 593-612. (*corresponding author)

(19) Pathirage, M., Tong, D., Thierry, F., Cusatis, G., Grégoire, D., & Pijaudier-Cabot, G. (2023). Discrete modeling of concrete failure and size-effect. Theoretical and Applied Fracture Mechanics, 124, 103738.

2022

(18) Zhu, Z., Pathirage, M., Wang, W., Troemner, M., & Cusatis, G. (2022). Lattice discrete particle modeling of concrete under cyclic tension–compression with multi-axial confinement. Construction and Building Materials, 352, 128985.

(17) Gregori, A., Mercuri, M., Angiolilli, M., & Pathirage, M. (2022). Simulating defects in brick masonry panels subjected to compressive loads. Engineering Structures, 263, 114333.

(16) Feng, J., Sun, W., Chen, L., Chen, B., Arkin, E., Du, L., & Pathirage, M. (2022). Engineered Cementitious Composites using Chinese local ingredients: Material preparation and numerical investigation. Case Studies in Construction Materials, 16, e00852.

(15) Chen, B., Du, L., Yuan, J., Sun, X., Pathirage, M., Sun, W., & Feng, J. (2022). A Experimental Study on Engineered Cementitious Composites (ECC) Incorporated with Sporosarcina Pasteurii. Buildings, 12(5), 691.

(14) Cibelli, A., Pathirage, M., Cusatis, G., Ferrara, L., & Di Luzio, G. (2022). A discrete numerical model for the effects of crack healing on the behaviour of ordinary plain concrete: Implementation, calibration, and validation. Engineering Fracture Mechanics, 263, 108266.

(13) Mercuri, M., Pathirage, M., Gregori, A., & Cusatis, G. (2022). Masonry vaulted structures under spreading supports: Analyses of fracturing behavior and size effect. Journal of Building Engineering, 45, 103396.

(12) Yang, L., Pathirage, M., Su, H., Alnaggar, M., Di Luzio, G., & Cusatis, G. (2022). Computational modeling of expansion and deterioration due to alkali–silica reaction: Effects of size range, size distribution, and content of reactive aggregate. International Journal of Solids and Structures, 234, 111220.

2021

(11) Yang, L., Pathirage, M., Su, H., Alnaggar, M., Di Luzio, G., & Cusatis, G. (2021). Computational modeling of temperature and relative humidity effects on concrete expansion due to alkali–silica reaction. Cement and Concrete Composites, 124, 104237.

(10) Mercuri, M., Pathirage, M., Gregori, A., & Cusatis, G. (2021). On the collapse of the masonry Medici tower: An integrated discrete-analytical approach. Engineering Structures, 246, 113046.

(9) Angiolilli, M., Pathirage, M., Gregori, A., & Cusatis, G. (2021). Lattice discrete particle model for the simulation of irregular stone masonry. Journal of Structural Engineering, 147(9), 04021123.

(8) Rezakhani, R., Scott, D. A., Bousikhane, F., Pathirage, M., Moser, R. D., Green, B. H., & Cusatis, G. (2021). Influence of steel fiber size, shape, and strength on the quasi-static properties of ultra-high performance concrete: Experimental investigation and numerical modeling. Construction and Building Materials, 296, 123532.

(7) Han, L., Pathirage, M., Akono, A. T., & Cusatis, G. (2021). Lattice discrete particle modeling of size effect in slab scratch tests. Journal of Applied Mechanics, 88(2), 021009.

2020

(6) Angiolilli, M., Gregori, A., Pathirage, M., & Cusatis, G. (2020). Fiber Reinforced Cementitious Matrix (FRCM) for strengthening historical stone masonry structures: Experiments and computations. Engineering Structures, 224, 111102.

(5) Mercuri, M., Pathirage, M., Gregori, A., & Cusatis, G. (2020). Computational modeling of the out-of-plane behavior of unreinforced irregular masonry. Engineering Structures, 223, 111181.

(4) Nguyen, H. T., Pathirage, M., Cusatis, G., & Bažant, Z. P. (2020). Gap test of crack-parallel stress effect on quasibrittle fracture and its consequences. Journal of Applied Mechanics, 87(7), 071012.

(3) Nguyen, H., Pathirage, M., Rezaei, M., Issa, M., Cusatis, G., & Bažant, Z. P. (2020). New perspective of fracture mechanics inspired by gap test with crack-parallel compression. Proceedings of the National Academy of Sciences, 117(25), 14015-14020.

2019

(2) Pathirage, M., Bentz, D. P., Di Luzio, G., Masoero, E., & Cusatis, G. (2019). The ONIX model: a parameter-free multiscale framework for the prediction of self-desiccation in concrete. Cement and Concrete Composites, 103, 36-48.

(1) Pathirage, M., Bousikhane, F., D’ambrosia, M., Alnaggar, M., & Cusatis, G. (2019). Effect of alkali silica reaction on the mechanical properties of aging mortar bars: Experiments and numerical modeling. International Journal of Damage Mechanics, 28(2), 291-322.

Selected Conference Proceedings from Past Research Executed at Northwestern University

2022

• Pathirage, M., Thierry, F., Tong, D., Cusatis, G., Grégoire, D., & Pijaudier-Cabot, G. (2022). Comparative investigation of dynamic implicit and explicit methods for the Lattice Discrete Particle Model. In Computational Modelling of Concrete and Concrete Structures (pp. 503-509). CRC press.

• Pijaudier-Cabot, G., Toussaint, D., Pathirage, M., Grégoire, D., Vermorel, R., & Cusatis, G. (2022). Surface and size effects on elasticity and fracture. In Computational Modelling of Concrete and Concrete Structures (pp. 46-55). CRC Press.

Book Chapters from Past Research Executed at Northwestern University

2021

(1) Nguyen, H. T., Rezaei, M., Pathirage, M., Cusatis, G., Issa, M., & Bažant, Z. P. (2021). Effect of Crack-Parallel Compression or Tension on Mode-I Fracture Energy of Quasibrittle Material–As Applied to Concrete. In Fracture, Fatigue, Failure and Damage Evolution, Volume 3: Proceedings of the 2020 Annual Conference on Experimental and Applied Mechanics (pp. 55-59). Springer International Publishing.