From: Adaptive partitioning-based discrete unified gas kinetic scheme for flows in all flow regimes
Re | Kn | DUGKS | ADUGKS | Ratio | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Cells (\(N_{D}\)) | Memory (\(M_{D}\)) | Time (\(T_{D}\)) | Cells (\(N_{A}\)) | Memory (\(M_{A}\)) | Time (\(T_{A}\)) | \({{N_{D} } \mathord{\left/ {\vphantom {{N_{D} } {N_{A} }}} \right. \kern-0pt} {N_{A} }}\) | \({{M_{A} } \mathord{\left/ {\vphantom {{M_{A} } {M_{D} }}} \right. \kern-0pt} {M_{D} }}\) | \({{T_{D} } \mathord{\left/ {\vphantom {{T_{D} } {T_{A} }}} \right. \kern-0pt} {T_{A} }}\) | ||
0.2 | 1.25 | 3072 | 456.1 | 0.092 | 3072 | 456.1 | 0.096 | 1.000 | 1.000 | 0.958 |
0.5 | 0.499 | 6912 | 1020.5 | 0.539 | 6912 | 1020.6 | 0.566 | 1.000 | 1.000 | 0.952 |
1 | 0.250 | 6912 | 1020.5 | 0.586 | 6912 | 1020.6 | 0.615 | 1.000 | 1.000 | 0.953 |
2 | 0.125 | 6912 | 1020.5 | 0.819 | 6912 | 1020.6 | 0.827 | 1.000 | 1.000 | 0.990 |
5 | 0.0499 | 6912 | 1020.5 | 1.064 | 6912 | 1020.6 | 1.088 | 1.000 | 1.000 | 0.978 |
10 | 0.0250 | 7680 | 1133.6 | 1.694 | 7618 | 1130.6 | 1.754 | 1.008 | 0.997 | 0.966 |
20 | 0.0125 | 7680 | 1133.6 | 2.162 | 7454 | 1122.6 | 2.139 | 1.030 | 0.990 | 1.011 |
50 | 0.00499 | 7680 | 1133.6 | 2.763 | 7099 | 1105.1 | 2.756 | 1.082 | 0.975 | 1.003 |
400 | 0.000624 | 8448 | 1246.4 | 4.406 | 6556 | 1063.2 | 4.149 | 1.289 | 0.853 | 1.062 |
1000 | 0.000250 | 9216 | 1359.8 | 5.943 | 6243 | 1013.1 | 5.597 | 1.476 | 0.745 | 1.062 |
2000 | 0.000125 | 9216 | 1359.8 | 7.154 | 5204 | 845.8 | 6.244 | 1.771 | 0.622 | 1.146 |
5000 | 0.0000499 | 9984 | 1472.1 | 9.562 | 5096 | 825.7 | 7.779 | 1.959 | 0.561 | 1.229 |
400a | 0.000624 | 6912 | 107.0 | 0.598 | 3378 | 59.6 | 0.499 | 2.046 | 0.557 | 1.198 |
1000a | 0.000250 | 7680 | 118.3 | 0.363 | 68 | 13.2 | 0.055 | 112.9 | 0.112 | 6.600 |
2000a | 0.000125 | 7680 | 118.3 | 0.481 | 0 | 10.3 | 0.030 | Infinity | 0.087 | 16.03 |
5000a | 0.0000499 | 8448 | 103.2 | 1.350 | 0 | 10.6 | 0.039 | Infinity | 0.103 | 34.62 |