Recent studies of two-dimensional polydisperse disk systems have revealed a coordinated self-organization of cell stresses and shapes, with certain distributions collapsing onto a master form for many processes, size distributions, friction coefficients, and cell orders. Here we examine the effects of particle angularity on the indicators of self-organization, using simulations of bidisperse regular $N$ polygons and varying $N$ systematically. We find that the strong correlation between local cell stresses and orientations, as well as the collapses of the conditional distributions of scaled cell stress ratios to a master Weibull form for all cell orders $k$, is independent of angularity and friction coefficient. In contrast, increasing angularity makes the collapses of the conditional distributions sensitive to changes in the friction coefficient.

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• Collective behavior
• Granular materials
• Granular packing
• Internal friction
• Shear deformation