Analytical solutions to Fisher's equation with time-variable coefficients. - Jason F. Hammond; David M. Bortz (Appl. Math. Comput., 2011)

Spatially Heterogeneous Biofilm Simulations using an Immersed Boundary Method with Lagrangian Nodes Defined by Bacterial Locations - Jason F. Hammond; Elizabeth J. Stewart; John G. Younger; Michael J. Solomon; David M. Bortz (CoRR, 2013)

Variable viscosity and density biofilm simulations using an immersed boundary method, part II: Experimental validation and the heterogeneous rheology-IBM. - Jay A. Stotsky; Jason F. Hammond; Leonid Pavlovsky; Elizabeth J. Stewart; John G. Younger; Michael J. Solomon; David M. Bortz (J. Comput. Phys., 2016)