Brey J Javier, Ruiz-Montero M J
Física Teórica, Universidad de Sevilla, Apartado de Correos 1065, E-41080 Sevilla, Spain.
Phys Rev E Stat Nonlin Soft Matter Phys. 2009 Oct;80(4 Pt 1):041306. doi: 10.1103/PhysRevE.80.041306. Epub 2009 Oct 20.
The influence of the heating mechanism on the kinetic energy densities of the components of a vibrated granular mixture is investigated. Collisions of the particles with the vibrating wall are inelastic and characterized by two coefficients of normal restitution, one for each of the two species. By means of molecular-dynamics simulations, it is shown that the nonequipartition of kinetic energy is not affected by the differential mechanism of energy injection aside the usual boundary layer around the wall. The macroscopic state of the mixture in the bulk is defined by intensive variables that do not include the partial granular temperatures of the components.
研究了加热机制对振动颗粒混合物各组分动能密度的影响。颗粒与振动壁的碰撞是非弹性的，其特征在于两个法向恢复系数，每种物质各有一个。通过分子动力学模拟表明，除了壁周围通常的边界层外，动能的非均分不受能量注入的微分机制影响。混合物主体中的宏观状态由不包括各组分颗粒局部温度的强度变量定义。
