An Ellipse-based Micromechanical Model for Angular Granular Materialsby John M. Ting, Univ of Lowell, Lowell, United States,
Abstract: An ellipse-based two-dimensional Discrete Element algorithm for numerically modeling angular granular materials is developed and presented. Interparticle contact computations require the solution of a fourth degree algebraic equation, with contact forces computed using an incremental algorithm. An initial validation of the algorithm is described.
Subject Headings: Granular materials | Algorithms | Two-dimensional models | Discrete element method | Numerical models | Computing in civil engineering | Contact mechanics | Validation
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