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Discretizing a domain of interest into a set of particles for discrete element simulation is the first step to generate a specimen. An improved algorithm, the Seed Expansion Method (SEM), is proposed in this work. A seed is first generated inside a given domain. Then, the domain is filled by the seed expansion based on a local Delaunay tessellation and a distance function. An optional operation, refilling,...
In the field of disaster prevention mitigation and protection engineering, it is important to identify the mechanical behaviors of reinforced concrete (RC) under explosive load by simulation. A three dimensional beam-particle model (BPM), which is suitable to simulate the fracture process of RC under explosive load, has been developed in the frame of discrete element method (DEM). In this model, only...
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