求翻译：在模拟分析时，必须使得所建立的离散元模型具有与实际材料匹配的力学性能， 在上述路堤颗粒的离散元模型中，涉及到固体颗粒、孔隙气体和水三种介质。对于含水颗粒的振动压实，水起到了润滑的作用，细观上颗粒间的水膜减小了颗粒间的摩擦，使颗粒易于滑动。为了更好地逼近被压实材料在微观上的各向异性和不均匀性，综合考虑计算量和计算精度因素，本文选择粘性阻尼接触模型为颗粒堆积体间的接触模型。为了简化研究不考虑颗粒破碎，对单个不规则颗粒内部的颗粒族之间，采用平行接触模型，假设为各向均匀连续、力学性能各向同性。通过You[7]材料微观参数与宏观性能参数的转化关系确定的细观参数分别为：是什么意思？

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In the Simulation analysis, you must make the building of the meta model is discrete with the actual mechanics of the match performance materials, in the above the embankment particles separated meta model, particles, gases and water 3 pores of the media. Water particles in the water, and real-time

When simulation analysis, must enable a separate Yuan model which establishes to have with the actual material match mechanics performance, in an above embankment pellet separate Yuan model, involves to the solid particle, the hole gas and the water three medium.Regarding the watery pellet wobble se

At simulation time, discrete element model that is established must be made with actual material mechanical properties that match, in the particle discrete element model for embankment above, involves three solid particle, pore gas and water media. For vibrating compaction of water particles, water

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