channelflow: a spectral fluid-flow simulator - News
0.9.15: New DNS class replaces old NSIntegrator.
Item posted by John F. Gibson <gibson17> on Tue 18 Oct 2005 03:05:59 PM UTC.
Major changes in algorithms and software structure to time-integration methods. Implemented semi-implicit backwards-differentiation methods of orders 1-4 (SBDF1-SBDF4) and a 2nd-order semi-implicit Runge-Kunta (CNRK2).
Implemented in new DNS class, with a base-, derived-, handle-class hierarchy for different classes of time-stepping algorithms. Had to restructure from former NSIntegrator class in order to accommodate the substantial differences in the time-step update algorithms (i.e. their ::advance functions). See NEWS for more details.
Documentation not yet updated.
John
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