NASA NTRS · 19850058781
A time-accurate multiple-grid algorithm
Abstract
A time-accurate multiple-grid algorithm is described. The algorithm allows one to take much larger time steps with an explicit time-marching scheme than would otherwise be the case. Sample calculations of a scalar advection equation and the Euler equations for an oscillating airfoil are shown. For the oscillating airfoil, time steps an order of magnitude larger than the single-grid algorithm are possible.
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Jespersen, D. C.. 1985-01-01. A time-accurate multiple-grid algorithm. https://ntrs.nasa.gov/citations/19850058781
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