非定常流动模拟的时间离散方法
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张伟伟, 贡伊明, 刘溢浪
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Time discretization methods in the computation of unsteady flow
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Weiwei ZHANG, Yiming GONG, Yilang LIU
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表1 跨声速AGARD5算例时间谱方法GMRES-AF推进的收敛性
(Mundis & Mavriplis 2016) |
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| 采样点数 | 非线性迭代步 | BCGS迭代步 | Krylov向量 | 并行计算时间 | BCGS CFL | | 15 | 24 | 9138 | 384 | 84.4 | 3.0 | | 31 | 24 | 9059 | 380 | 107 | 3.0 | | 63 | 24 | 9515 | 400 | 181 | 3.0 | | 127 | 24 | 8915 | 374 | 291 | 3.0 | | 255 | 24 | 9563 | 401 | 575 | 3.0 | | 511 | 24 | 9659 | 405 | 1151 | 3.0 | | 767 | 24 | 9707 | 407 | 1752 | 3.0 | | 1023 | 24 | 9659 | 405 | 3024 | 3.0 | | 1535 | 24 | 9635 | 404 | 5058 | 3.0 | | 2047 | 24 | 9467 | 397 | 7786 | 3.0 |
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