Computational Plasticity- P3: Despite the apparent activity in the field, the ever increasing rate of development of new engineering materials required to meet advanced technological needs poses fresh challenges in the field of constitutive modelling. | Localized and Diffuse Bifurcations 53 16 Dieterich JH Kilgore BD 1996 Imaging surface contacts Power law contact distributions and contact stresses in quartz calcite glass and acrylic plastic. Tectonophysics 256 219-239 17 Lapusta N Rice JR Ben-Zion Y Zheng G 2000 Elastodynamic analysis for slow tectonic loading with spontaneous rupture episodes on faults with rate- and state-dependent friction. Journal of Geophysical Research 105 23765-23789 18 Borja RI Foster CD 2006 Continuum mathematical modeling of slip weakening in geological systems. Journal of Geophysical Research in review. 19 Foster CD Borja RI Regueiro RA 2006 Embedded strong discontinuity finite elements for fractured geomaterials with variable friction. International Journal for Numerical Methods in Engineering in review. 20 Ida Y 1972 Cohesive force across the tip of a longitudinal shear crack and Griffith s specific surface energy. Journal of Geophysical Research 77 3796-3805 21 Palmer AC Rice JR 1973 The growth of slip surfaces in the progressive failure of overconsolidated clay. In Proceedings of the Royal Society of London Ser. A332 pp. 527-548 22 Wong TF 1982 Shear fracture energy of Westerly granite from postfailure behavior. Journal of Geophysical Research 87 990-1000 23 Ogden RW 1984 Nonlinear Elastic Deformations. Chichester Ellis Hor-wood 24 Lade PV 1977 Elasto-plastic stress-strain theory for cohesionless soil with curved yield surfaces. International Journal of Solids and Structures 13 1019-1035 Dispersion and Localisation in a Strain-Softening Two-Phase Medium René de Borst1 2 and Marie-Angèle Abellan3 1 Delft University of Technology Faculty of Aerospace Engineering Kluyverweg 1 Delft The Netherlands 2 LaMCoS UMR CNRS 5514 INSA de Lyon 69621 Villeurbanne France 3 LTDS-ENISE UMR CNRS 5513 ENISE 42023 Saint-Etienne France Summary. In fluid-saturated media wave propagation is dispersive but the associated internal length scale vanishes in the short wave-length limit. .
