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fDesc[0] = "PFC3D (Particle Flow Code in 3 Dimensions) is a discontinuum code used in analysis, testing, and research in any field where the interaction of many discrete objects exhibiting large-strain and/or fracturing is required.<br /> <br /> Because PFC3D is not designed to examine a particular type of problem, its range extends to any analysis that examines the dynamic behavior of a particulate system.<br /> <br /> In PFC3D, materials may be modeled as either bonded (cemented) or unbonded (granular) assemblies of particles. Though the code uses spherical particles by default, particle shape may be defined in a PFC3D model through use of the built-in clump logic.";

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