Acoustic duct liner optimization using finite elements
1979
Determination of a mathematical model which ma) Startbe used far obtaining optimum acoustic liners in aeroengine ducts was the goal of this study. ing with a baseline finite element model’which consumed too much computer time to permit optimum liner evaluation for realistic ducts and source frequencies, a survey was conducted of candidate methods for reducing computational effort . A highly effective boundary exclusive decomposition method was developed which enables L-U decomposition of a major partition of the global matrix to be performed once only. the technique in duct liner optimization show a reduction of between one and two orders of magnitude in the central processor unit (CPU) time of the baseline model. Timing experiments using
Keywords:
- Correction
- Source
- Cite
- Save
- Machine Reading By IdeaReader
1
References
5
Citations
NaN
KQI