Recent Enhancements to OVERFLOWDennis

@inproceedings{Jespersen1997RecentET,
  title={Recent Enhancements to OVERFLOWDennis},
  author={Jespersen and Thomas and Pulliamy and Pieter and BuningzNASA},
  year={1997}
}
The purpose of this paper is to highlight some recent enhancements that have been made to the Navier-Stokes code OVERFLOW. The enhancements we are concerned with are in three major areas: a multigrid method, for convergence acceleration; a low-Mach preconditioning algorithm, for convergence acceleration and solution quality improvement for low Mach number ows; and a matrix dissipation algorithm for solution quality improvement. We will describe these methods and show examples of their eecacy. 
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