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中文摘要：
构建了颗粒体系热力学特征函数，确定了宏观尺度不可逆过程的迁移系数，将颗粒物质流体动力学理论应用于密砂的三轴加载力学性质分析，得到了应力-应变关系和体积应变-应变关系，还得到了颗粒温度演化过程．
英文摘要：
Hydrodynamics theory was originally developed Newtonian fluids. The theory combines mass, energy, moment, entropy flow and dissipation flows in Onsager relations. As an extension to granular materials, granular solid hydrodynamics（GSH） constructs a thermodynamics function and a series of transport coefficients for irreversible processes in granular matter. In this paper, GSH is used to analyze mechanical properties of dry sands under triaxial compressions. The stress-strain relations and volumetric strain-axial strain relations are obtained, which are of great engineering concerns. The evolution of granular temperature is studied as well.
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