Journal of Combustion

Research Article

A Two-Zone Multigrid Model for SI Engine Combustion Simulation Using Detailed Chemistry

Table 3

Computational time of two-zone MG model with different combination of searching levels (CA = āˆ’ 6 . 3 to 70).
Casew/o MG M G 0 + 5 M G 1 + 5 M G 2 + 5
CPU time [hrs]173.335.727.413.7
Wall time [hrs]48.613.111.17.2
Speedup [ āˆ’ ]3.613.215.624.1