Model of Charleston Harbor. Steve Bova, Nichols Research Corporation. 2524 S. I-20 Frontage Road, Suite A, P.0. Box 820186, Vicksburg, MS 39182-0186. email: swb :at the domain: nrcpet3.wes.army.mil. Located at the U.S. Army Engineer Waterways Experiment Station, Vicksburg, MS. RMA10: A 3D finite-element element matrix from a CFD code. From Steve Bova: This is a discretization of Charleston Harbor, which has an island in the middle of it.