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. Author manuscript; available in PMC: 2015 Jan 21.
Published in final edited form as: Proc ASME Micro Nanoscale Heat Mass Transf Int Conf (2012). 2012 Mar;2012:735–743. doi: 10.1115/MNHMT2012-75019

TABLE 2.

Comparion between the FHD and the GLD with MLN methods. Abbreviations, CC: Computational cost.

Comparison: FHD & GLD with MLN
Method FHD: Thermal fluctuations from the fluid are added as random stress tensor in the fluid equation, that depends on the temperature and viscosity of the fluid.
GLD: Thermal fluctuations from the fluid are added as random force and torque in the particle equations of motion, that does not depends on position and shape of the particle.
Mesh, time step & CC For a given mesh size, the computational cost for both the methods are comparable. In order to obtain a converged numerical result, FHD requires finer mesh and smaller time step compare to GLD.