Bio


Borja works in computational mechanics, geomechanics, and geosciences. His research includes developing strain localization and failure models for soils and rocks, modeling coupled solid deformation/fluid flow phenomena in porous materials, and finite element modeling of faulting, cracking, and fracturing in quasi-brittle materials.

Academic Appointments


  • Professor, Civil and Environmental Engineering

Professional Education


  • PhD, Stanford University (1984)

Stanford Advisees


  • Doctoral Dissertation Reader (AC)
    Lei Jin

All Publications


  • Conservation laws for coupled hydromechanical processes in unsaturated porous media: Theory and implementation. Mechanics of Unsaturated Geomaterials I., A., Borja, J. ISTE Ltd. and John Wiley and Sons. 2010: 186–208
  • Localized and diffuse bifurcations in porous rocks undergoing shear localization and cataclastic flow. Computational Plasticity (Computational Methods in Applied Sciences) I. Springer. 2007
  • Foreword Computer Methods in Applied Mechanics and Engineering Borja, R., I. 2004; 193 (27-29): iii.
  • Consolidación elastoplástica con deformaciones finitas: Implementación con elementos finitos y ejemplos numéricos Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería Borja, R., I., Tamagnini, C., Alarcón, E. 1999; 15 (2): 269-296
  • Modelo de plasticidad multiaxial para arcillas sometidas a carga dinámica Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería Montáns, F., J., Borja, R., I. 1999; 15 (2): 169-192
  • Finite strain elastoplastic consolidation, Part 2: Finite element implementation and numerical examples Computer Methods in Applied Mechanics and Engineering Borja, R., I., Tamagnini, C., Alarcón, E. 1998; 159: 103-122
  • Un marco matemático para la consolidación elastoplástica con deformaciones finitas Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería Borja, R., I., Alarcón, E. 1995; 3 (11): 345-381