非理想流体晶格动力学模型中超分子力的出现：在软玻璃材料流变学中的应用
The emergence of supramolecular forces from lattice kinetic models of non ideal fluids: applications to the rheology of soft glassy meterials
摘要：
本文系统地研究了具有阻挫短程吸引和中长程排斥相互作用的单粒子格子Boltzmann模型。平衡分析是按照[X. Shan，Phys.Rev.E77，066702（2008）]，并且允许我们确定当两个界面重叠时在薄膜中产生的表面张力密度和所得的分离压力。然后用多组分模型进行受限流的数值模拟，并成功地对Bocquet及其同事最近提出的关于高度受限的软玻璃材料的非局部流变学基础的合作长度的存在的建议进行了测试[Goyon等人，Nature 454，84-87（2008）;软物质6，2668-2678（2010）]。
英文摘要：
A systematic study for a single-specie lattice Boltzmann model with frustrated-short range attractive and mid/long-range repulsive-interactions is presented. The equilibrium analysis is performed along the guidelines proposed by [X. Shan, Phys. Rev. E 77, 066702 (2008)] and allows us to determine the surface tension density and the resulting disjoining pressure developing in a thin film when two interfaces overlap. Numerical simulations of confined flows are then performed with a multicomponent model and are successfully tested against the recent suggestion by Bocquet and coworkers on the existence of a cooperative length underlying the non-local rheology of highly confined soft-glassy materials [Goyon et al., Nature 454, 84-87 (2008); Soft Matter 6, 2668-2678 (2010)].
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