Research Article
Development and Application of a New High-Efficiency Sparse Linear System Solver in the Thermal-Hydraulic System Analysis Code
Table 1
The comparisons of the two matrix solvers for cases 1 and 2.
| Case number | 1 | 2 | Description | Simple parallel pipes | Small modular power plant | Order | 14 | 424 | Nonzero number | 40 | 1317 | Original matrix solver’s fill-ins | 48 | 1635 | NRLU solver’s fill-ins | 18 | 642 | Original matrix solver’s matrix calculation time (s) | 6 | 18 | NRLU solver’s matrix calculation time (s) | 4 | 10 | Speed ratio | 1.5 | 1.8 |
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