Bazant, Northwestern University, paper presents a Northwestern University. representing a special case of sented, used to determine characteristics, particle ..l.'-''-'UJU..l.J..l..LL> "" ...... ,UJ ......... ....,........ behavior is displacement diagram algorithm based on applied forces is the dependence of the mean…
Bazant, Northwestern University, paper presents a Northwestern University. representing a special case of sented, used to determine characteristics, particle ..l.'-''-'UJU..l.J..l..LL> "" ...... ,UJ ......... ....,........ behavior is displacement diagram algorithm based on applied forces is the dependence of the mean energy and macroscopic dominant particle spacing, YY'l,,. ..... "r1 11"·r 1 standard deviation of microstrength. In closing, an the dynamic version of model the breakup of a in-plane impact is described. UU/1..JV'U. on particle representation V"'-"''"..., ..... by Cundall (1971). His distinct study of microstructure and geomaterials tensile strength (1980) Plesha and Aifantis (1983). Zubelewicz .LJU!LJUJ..1...1.V (1987) studied a particle model equivalent to a lattice only axial forces also shear forces pro- "~" .... .__, ...... ..,, and showed such a model can simulate a process zone and gradual post-peak softening. Their refined by Bazant et al. (1990), who size effect on strength and on the slope diagrams. Observing that the macro-fracture energy can hardly be determined by summing up the energies dissipated by fractured interparticle links, they showed this is the size effect method. contrast to Zubelewicz were assumed to have only axial a truss. A variant the lattice model whose links axial forces but also force proportional to was successfully by Schlangen and van Mier .., ........ ,u.u..•'-"'".._....,. ...... .., of various modes in concrete.