TY - CONF T1 - Multigrid acceleration of a preconditioned GMRES implicit PNS solver JO - 37th Aerospace Sciences Meeting and Exhibit UR - https://doi.org/10.2514/6.1999-779 PY - 1999/01/11 AU - Qin N AU - Ludlow D AU - Zhong B AU - Shaw S ED - DO - DOI: 10.2514/6.1999-779 PB - American Institute of Aeronautics and Astronautics Y2 - 2025/11/03 ER -