Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 158, Issue 10, Pages -Publisher
AIP Publishing
DOI: 10.1063/5.0139850
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A regularized version of the lattice Boltzmann method is proposed for efficient simulation of soft materials. It reconstructs the distribution functions from available hydrodynamic variables without storing the full set of discrete populations, leading to lower memory requirements and data access costs. Benchmark tests validate the method's effectiveness for simulating soft matter systems, particularly on future exascale computers.
A regularized version of the lattice Boltzmann method for efficient simulation of soft materials is introduced. Unlike standard approaches, this method reconstructs the distribution functions from available hydrodynamic variables (density, momentum, and pressure tensor) without storing the full set of discrete populations. This scheme shows significantly lower memory requirements and data access costs. A series of benchmark tests of relevance to soft matter, such as collisions of fluid droplets, is discussed to validate the method. The results can be of particular interest for high-performance simulations of soft matter systems on future exascale computers.
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