"CFDEMproject WWW Site"_lws - "CFDEM Commands"_lc :c :link(lws,http://www.cfdem.com) :link(lc,CFDEMcoupling_Manual.html#comm) :line forceModel_DiFeliceDrag command :h3 [Syntax:] Defined in couplingProperties dictionary. forceModels ( DiFeliceDrag ); DiFeliceDragProps \{ velFieldName "U"; densityFieldName "density"; interpolation; \}; :pre {U} = name of the finite volume fluid velocity field :ulb,l {density} = name of the finite volume gravity field :l {interpolation} = flag to use interpolated voidfraction and velocity values (normally off) :l :ule [Examples:] forceModels ( DiFeliceDrag ); DiFeliceDragProps \{ velFieldName "U"; densityFieldName "rho"; interpolation; \} :pre [Description:] The force model performs the calculation of forces (e.g. fluid-particle interaction forces) acting on each DEM particle. The DiFeliceDrag model is a model that calculates the particle based drag force following the correlation of Di Felice (see Zhou et al. (2010), JFM). [Restrictions:] none. [Related commands:] "forceModel"_forceModel.html