Construction method and application of burger model
A construction method and model technology, applied in the field of Burger model construction, can solve problems such as lack of scientific rigor and inaccurate parameters, and achieve the effect of simple and easy to understand calculation process, accurate parameters, and convenient timely error correction
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[0060] The technical solution of the present invention is further described below.
[0061] A Burger model, the Burger model is used to simulate the long-term contact between a first coarse-grained soil particle and an entity, the solid is a rigid wall or a second coarse-grained soil particle with the same material properties as the first coarse-grained soil particle, the Burger model include:
[0062] Make the friction coefficient take an extreme value of 1.0, even if the calculation formula of the discrete element nonlinear contact rheological model parameters does not consider the effect of the slider;
[0063] Set the pull switch to 1, that is, the contact between the first coarse-grained soil particles and the entity only produces pressure, not tension;
[0064] Make the parameters of the four discrete element nonlinear contact rheological models of the Kelvin body model (K body) in the Burger model infinite, that is, the Kelvin body model only transmits loads in the Bur...
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