Science and Technology of Nuclear Installations / 2017 / Article / Tab 1

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 number12
DescriptionSimple parallel pipesSmall modular power plant
Order14424
Nonzero number401317
Original matrix solver’s fill-ins481635
NRLU solver’s fill-ins18642
Original matrix solver’s matrix calculation time (s)618
NRLU solver’s matrix calculation time (s)410
Speed ratio1.51.8

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