Articles submitted for publication in ISI journals
[29] Z. Zhou, J. Ulloa, G. Ravichandran, and J.E. Andrade. Tensegrity structures and data-driven analysis for 3D cell mechanics. Computer Methods in Applied Mechanics and Engineering, under review.
Articles published in ISI journals
[28] O. León, V. Rivera, A. Vázquez-Patiño, J. Ulloa, and E. Samaniego. Exploring energy minimization to model strain localization as a strong discontinuity using Physics Informed Neural Networks. Computer Methods in Applied Mechanics and Engineering, 436:117724, 2025.
[27] J. Ulloa, M.P. Ariza, J.E. Andrade, and M. Ortiz. Homogenized models of mechanical metamaterials. Computer Methods in Applied Mechanics and Engineering, 433:117454, 2025.
[26] J. Ulloa, M.P. Ariza, J.E. Andrade, and M. Ortiz. Fracture and size effect in mechanical metamaterials. Journal of the Mechanics and Physics of Solids, 193:105860, 2024.
[25] J. Ulloa, L. Stainier, M. Ortiz, and J.E. Andrade. Data-driven micromorphic mechanics for materials with strain localization. Computer Methods in Applied Mechanics and Engineering, 429:117180, 2024.
[24] J. Ulloa, Z. Zhou, J.M. Harmon, and J.E. Andrade. Cyclic-loading effects in sand: a micromechanical study considering particle breakage. Granular Matter, 26(3):1–16, 2024.
[23] Z. Zhou, R. Moncada-López, N. Jones, J. Ulloa, X. Fu, and J.E. Andrade. Simplified level set discrete element modeling of particle suspension flows in microfluidics: clogging statistics controlled by particle friction and shape. Granular Matter, 26(2):39, 2024.
[22] H. García, J. Jiménez, and J. Ulloa. Effective properties of masonry structures and macro-model analysis with experimental verification. Results in Engineering, 23:102546, 2024.
[21] J. Ulloa, G. Degrande, J.E. Andrade, and S. François. Multi-temporal decomposition for elastoplastic ratcheting solids. Computer Methods in Applied Mechanics and Engineering, 419:116627, 2024.
[20] M. Sarem, N.E. Deresse, J. Ulloa, E. Verstrynge, and S. François. Micromechanics-based variational phase-field modeling of brazilian splitting tests. Engineering Fracture Mechanics, 290:109472, 2023.
[19] J. Ulloa, A. Gorgogianni, K. Karapiperis, M. Ortiz, and J.E. Andrade. Data-driven breakage mechanics: Predicting the evolution of particle-size distribution in granular media. Journal of the Mechanics and Physics of Solids, 178:105328, 2023.
[18] R. Alessi and J. Ulloa. Endowing Griffith’s fracture theory with the ability to describe fatigue cracks. Engineering Fracture Mechanics, 281:109048, 2023.
[17] N. Noii, A. Khodadadian, J. Ulloa, F. Aldakheel, T. Wick, S. François, and P. Wriggers. Bayesian inversion with open-source codes for various one-dimensional model problems in computational mechanics. Archives of Computational Methods in Engineering, 29(6):4285–4318, 2022.
[16] J. Wambacq, J. Ulloa, G. Lombaert, and S. François. A variationally coupled phase-feld interface model for fracture in masonry. Computers & Structures, 264:106744, 2022.
[15] J. Ulloa, N. Noii, R. Alessi, F. Aldakheel, G. Degrande, and S. François. Variational modeling of hydromechanical fracture in saturated porous media: a micromechanics-based phase-field approach. Computer Methods in Applied Mechanics and Engineering, 396:115084, 2022.
[14] J. Ulloa, J. Wambacq, R. Alessi, E. Samaniego, G. Degrande, and S. François. Micromechanics-based phase-field modeling of fracture for geomaterials with brittle-tensile and compressive-ductile behavior. Journal of the Mechanics and Physics of Solids, 159:104684, 2022.
[13] N. Noii, A. Khodadadian, J. Ulloa, F. Aldakheel, T. Wick, S. François, and P. Wriggers. Bayesian inversion for unified ductile phase-field fracture. Computational Mechanics, 68:943–980, 2021.
[12] J. Ulloa, R. Alessi, J. Wambacq, G. Degrande, and S. François. On the variational modeling of non- associative plasticity. International Journal of Solids and Structures, 217:272–296, 2021.
[11] J. Ulloa, J. Wambacq, R. Alessi, G. Degrande, and S. François. Phase-field modeling of fatigue coupled to cyclic plasticity in an energetic formulation. Computer Methods in Applied Mechanics and Engineering, 373:113473, 2021.
[10] J. Wambacq, J. Ulloa, G. Lombaert, and S. François. A dissipation-based path-following technique for the phase-field approach to brittle and ductile fracture. International Journal for Numerical Methods in Engineering, 122(15):3919–3940, 2021.
[9] J. Wambacq, J. Ulloa, G. Lombaert, and S. François. Interior-point methods for the phase-field approach to brittle and ductile fracture. Computer Methods in Applied Mechanics and Engineering, 375:113612, 2021.
[8] C. Samaniego, J. Ulloa, P. Rodríguez, G. Houzeaux, M. Vázquez, and E. Samaniego. A phase-field model for ductile fracture with shear bands: A parallel implementation. International Journal of Mechanical Sciences, 200:106424, 2021.
[7] E. Samaniego, J. Ulloa, P. Rodríguez, and C. Samaniego. Variational modelling of strain localization in solids: a computational mechanics point of view. Archives of Computational Methods in Engineering, 28(3):1183–1203, 2021.
[6] J.F. Farfán, K. Palacios, J. Ulloa, and A. Avilés. A hybrid neural network-based technique to improve the flow forecasting of physical and data-driven models: Methodology and case studies in Andean watersheds. Journal of Hydrology: Regional Studies, 27:100652, 2020.
[5] J. Ulloa, P. Rodríguez, C. Samaniego, and E. Samaniego. Phase-field modeling of fracture for quasi- brittle materials. Underground Space, 4(1):10–21, 2019.
[4] P. Rodríguez, J. Ulloa, C. Samaniego, and E. Samaniego. A variational approach to the phase field modeling of brittle and ductile fracture. International Journal of Mechanical Sciences, 144:502–517, 2018.
[3] J. Ulloa, E. Samaniego, L. Campozano, and D. Ballari. A variational merging approach to the spatial description of environmental variables. Journal of Geophysical Research: Atmospheres, 123(8):4027– 4044, 2018.
[2] J. Ulloa, D. Ballari, L. Campozano, and E. Samaniego. Two-step downscaling of TRMM 3B43 V7 precipitation in contrasting climatic regions with sparse monitoring: The case of Ecuador in tropical South America. Remote Sensing, 9(7):758, 2017.
[1] J. Ulloa, P. Rodríguez, and E. Samaniego. On the modeling of dissipative mechanisms in a ductile softening bar. Journal of Mechanics of Materials and Structures, 11(4):463–490, 2016.