title: Comment on "Dynamics of wetting fronts in porous media".
abstract: A new method to model unsaturated flow in porous media was presented in Phys. Rev. E 58, R5245 (1998). We analyze the proposed approach and illustrate some significant shortcomings.
authors.affiliation: Department of Civil Engineering and Geological Sciences, University of Notre Dame, Notre Dame, Indiana 46556, USA.
authors.forename: W G
authors.initials: WG
authors.lastname: Gray
authors.forename: C T
authors.initials: CT
authors.lastname: Miller
mesh_terms: D008956:Models, Chemical; D016062:Porosity; D015203:Reproducibility of Results; D017155:Wettability