Table 1
Details of the N-body simulations.
| Name | N | | b0 | | R0 | ε | ε/ℓ | η |
|
|
||||||
| S1a | 1E3 | 0 | 1.0E-1 | 3.7 E-6 | 4.2E-4 | 2.5E-2 |
|
|
||||||
| S4a | 1E3 | 0 | 1.0E-1 | 3.7 E-5 | 4.2E-3 | 2.5E-2 |
| S4b | 2E3 | 0 | 1.0E-1 | 3.7 E-5 | 5.3E-3 | 2.5E-2 |
| S4c | 4E3 | 0 | 1.0E-1 | 3.7 E-5 | 6.6E-3 | 2.5E-2 |
| S4d | 6E3 | 0 | 1.0E-1 | 3.7 E-5 | 7.6E-3 | 2.5E-2 |
| S4e | 8E3 | 0 | 1.0E-1 | 3.7 E-5 | 8.3E-3 | 2.5E-2 |
| S4f | 1E3 | 0 | 1.0E-1 | 3.7 E-5 | 8.3E-3 | 2.5E-3 |
| S4g | 1E3 | 0 | 1.0E-1 | 3.7 E-5 | 8.3E-3 | 5.0E-4 |
|
|
||||||
| S6a | 1E3 | 0 | 1.0E-1 | 3.7 E-4 | 4.2E-2 | 2.5E-2 |
|
|
||||||
| M1a | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 2.5E-2 |
| M1b | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 5.0E-3 |
| M1c | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 1.3E-2 |
| M1d | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 2.5E-2 |
| M1e | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 1.3E-1 |
| M1f | 1E4 | 0 | 1.0E-1 | 3.7 E-6 | 9.0E-4 | 2.5E-1 |
|
|
||||||
| M2a | 1E4 | 0 | 1.0E-1 | 7.4 E-6 | 1.8 E-3 | 2.5E-3 |
|
|
||||||
| M3a | 1E4 | 0 | 1.0E-1 | 1.0 E-5 | 2.4 E-3 | 2.5E-2 |
|
|
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| M4a | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4b | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4c | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4d | 1E4 | 0.25 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4e | 1E4 | 0.5 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4f | 1E4 | 0.75 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4g | 1E4 | 1.0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-2 |
| M4h | 1E4 | 0 | 2.5E-2 | 3.7 E-5 | 3.7 E-2 | 2.5E-2 |
| M4k | 1E4 | 0 | 5.0E-2 | 3.7 E-5 | 1.7 E-2 | 2.5E-2 |
| M4i | 1E4 | 0 | 2.0E-1 | 3.7 E-5 | 4.4 E-3 | 2.5E-2 |
| M4j | 1E4 | 0 | 3.0E-1 | 3.7 E-5 | 3.0 E-3 | 2.5E-2 |
| M4l | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 2.5E-3 |
| M4m | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 5.0E-3 |
| M4n | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 5.0E-2 |
| M4o | 1E4 | 0 | 1.0E-1 | 3.7 E-5 | 9.0 E-3 | 1.0E-1 |
|
|
||||||
| M5a | 1E4 | 0 | 1.0E-1 | 7.4 E-5 | 1.8 E-2 | 2.5E-2 |
|
|
||||||
| M6a | 1E4 | 0 | 1.0E-1 | 3.7 E-4 | 9.0 E-2 | 2.5E-2 |
| M6b | 1E4 | 0 | 2.5E-2 | 3.7 E-4 | 3.7 E-1 | 2.5E-2 |
| M6c | 1E4 | 0 | 5.0E-2 | 3.7 E-4 | 1.8 E-1 | 2.5E-2 |
| M6d | 1E4 | 0 | 2.0E-1 | 3.7 E-4 | 4.5 E-2 | 2.5E-2 |
| M6e | 1E4 | 0 | 3.0E-1 | 3.7 E-4 | 3.0 E-2 | 2.5E-2 |
|
|
||||||
| M7a | 1E4 | 0 | 1.0E-1 | 7.4 E-4 | 1.8 E-1 | 2.5E-2 |
|
|
||||||
| M8a | 1E4 | 0 | 1.0E-1 | 3.7 E-3 | 9.0 E-1 | 2.5E-2 |
|
|
||||||
| L4a | 2E4 | 0 | 1.0E-1 | 3.7 E-5 | 1.1 E-2 | 2.5E-2 |
| L4b | 4E4 | 0 | 1.0E-1 | 3.7 E-5 | 1.4 E-2 | 2.5E-2 |
| L4c | 6E4 | 0 | 1.0E-1 | 3.7 E-5 | 1.6 E-2 | 2.5E-2 |
| L4d | 8E4 | 0 | 1.0E-1 | 3.7 E-5 | 1.8 E-2 | 2.5E-2 |
| L4e | 1E5 | 0 | 1.0E-1 | 3.7 E-5 | 1.9 E-2 | 2.5E-2 |
Notes.N is the number of particles in the spherical over-density, | b0 | is the absolute value of its initial virial ratio, R0 is its initial radius, ε is the softening length, ℓ is the initial average distance between nearest neighbours and η is the parameter that control the accuracy of the time-stepping. Only in the case of the simulation M4b (M4c) we have changed the parameter θ from 0.7 to 0.1 (the parameter φ from 5 × 10-3 to 5 × 10-4). (See Sect. 3.2 for a discussion of the various numerical parameters of the code, i.e. ε,η,θ,φ.)
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