External verification analysis: A code-independent verification technique for unsteady PDE codes. - Daniel Ingraham; Ray Hixon (J. Comput. Phys., 2013)

An approach for treating contact surfaces in Lagrangian cell-centered hydrodynamics. - Nathaniel R. Morgan; Mark A. Kenamond; Donald E. Burton; Theodore C. Carney; Daniel Ingraham (J. Comput. Phys., 2013)