For permission to copy or republish, contact the American Institute of Aeronautics and Astronautics 1801 Alexander Bell Drive, Suite 500, Reston, VA 20191 AIAA 2004-0586 LOCAL GRID REFINEMENT FOR AN IMMERSED BOUNDARY RANS SOLVER G. Iaccarino, G. Kalitzin, P. Moin Center for Turbulence Research Stanford University Stanford, CA 94305 B. Khalighi Research and Development Center General Motors Corporation Warren, MI 48090-9055 42 nd Aerospace Sciences Meeting & Exhibit 5-8 January 2004 / Reno, NV 42nd AIAA Aerospace Sciences Meeting and Exhibit 5 - 8 January 2004, Reno, Nevada AIAA 2004-586 Copyright © 2004 by . Published by the American Institute of Aeronautics and Astronautics, Inc., with permission.