Numerical modeling of multidiensional gas flows with implicit iterative scheme
The implicit iterative difference scheme, based on the Newton method, is built for multidimen-sional Navier-Stokes equations, which describe viscous gas flow. Explicit difference TVD and ENO schemes are used for approximation of spatial derivatives of flux terms, and backward difference formula appr...
Збережено в:
| Дата: | 2015 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | Russian |
| Опубліковано: |
Інститут енергетичних машин і систем ім. А. М. Підгорного Національної академії наук України
2015
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| Теми: | |
| Онлайн доступ: | https://journals.uran.ua/jme/article/view/48098 |
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| Назва журналу: | Energy Technologies & Resource Saving |
Репозитарії
Energy Technologies & Resource Saving| Резюме: | The implicit iterative difference scheme, based on the Newton method, is built for multidimen-sional Navier-Stokes equations, which describe viscous gas flow. Explicit difference TVD and ENO schemes are used for approximation of spatial derivatives of flux terms, and backward difference formula approximates time-derivative. Multidimensional viscous gas flow in turbo- machine cascades is numerically modelled. Numerical efficiency of the implicit iterative scheme in comparison with Beam-Warming one is analyzed. Obtained results are compared with those of other authors. |
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