Boundary conditions Numerical methods 6 Heat transfer 5 Nanofluidics 4 Ordinary differential equations 4 Partial differential equations 4 Surface boundary conditions 4 Absorbing boundary condition 3 Boundary layer flow 3 Boundary layers 3 Computational fluid dynamics 3 Continuum mechanics 3 Finite difference method 3 Nanoparticles 3 Natural convection 3 Navier Stokes equations 3 Navier-Stokes equation 3 Viscous flow 3 'current 2 Accurate modeling 2 Air 2 Coarse grid 2 Condition 2 Copper 2 Copper oxides 2 Cost functions 2 Cost-function 2 Data assimilation techniques 2 Dirichlet 2 Drops 2