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Table 2
Comparison of CPU times for the methods.
| Method | Force computations Average CPU time [s] | Scenario 1 CPU time [s] | Scenario 2 CPU time [s] |
|---|---|---|---|
| Surface integral method | 0.055 | 1369 | 6435 |
| GUBAS (𝒪(2) expansion) | 6.723 ×10−4 | 96 | 375 |
| GUBAS (𝒪(4) expansion) | 0.014 | 1555 | 6120 |
| GUBAS (𝒪(8) expansion) | 0.877 | 119474 |
Notes. The second column shows the average CPU time required to compute the forces and torques. Scenario 1 and 2 correspond to the simulations presented in Sect. 4, where the first one is for a binary with larger separation, and the second one is for a newly fissioned contact binary.
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