TY - RPRT TI - Implicit and Multigrid Method for Ideal Multigrid Convergence: Direct Numerical Simulation of Separated Flow Around NACA 0012 Airfoil AU - Liu, Chao-Qun AU - Shan, H. AU - Jiang, L. PY - 1999 UR - https://ntrs.nasa.gov/citations/20000025451 ID - 20000025451 ER -