Table 1
Simulation input parameters.
| Parameters | ICME 1 | ICME 2 | Sim T1 | Sim T2 | Sim T3/P1 | Sim P2 | Sim P3 |
|---|---|---|---|---|---|---|---|
| (Bx, By, Bz) (nT) | (16, −15, 15) | (10, 7, 23) | (13, 6, 22) | (13, 6, 22) | (13, 6, 22) | (13, 6, 22) | (13, 6, 22) |
| | B | (nT) | 29.16 | 24.78 | 26 | 26 | 26 | 26 | 26 |
| υi (km/s) | 946 | 633 | 900 | 900 | 900 | 600 | 600 |
| ni (cm−3) | 6.84 | 6.35 | 6.5 | 6.5 | 6.5 | 6.5 | 14.6 |
| Ti (eV) | 203.74 | 35 | 200 | 90 | 35 | 35 | 35 |
| Solar radio flux at 10.7 cm | 166 | 131.6 | 164 | 164 | 164 | 164 | 164 |
| Pdyn (Pa) | 1.02 ×10−8 | 4.25 ×10−9 | 8.8 ×10−9 | 8.8 ×10−9 | 8.8×10−9 | 4×10−9 | 8.8 ×10−9 |
| Plasma β | 2.38 | 0.4 | 2.28 | 1.02 | 0.4 | 0.4 | 0.9 |
| Mmach | 2.47 | 2.45 | 2.35 | 2.94 | 3.47 | 2.31 | 3.03 |
| Spatial resolution (km) | – | – | 150 | 150 | 150 | 150 | 150 |
Time step  |
– | – | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
| Grid number (Nx, Ny, Nz) | – | – | (244, 300, 300) | (244, 300, 300) | (244, 300, 300) | (244, 300, 300) | (244, 300, 300) |
Notes. Measured solar wind parameters for the two ICMEs taken as reference for the simulations, along with the input parameters for the different simulation runs. The ICME parameters are taken from VEX measurements upstream of the bow shock. Two groups of simulation runs are performed. One in order to evaluate the impact of the solar wind proton temperature on the ion escape and one to evaluate the effect of the solar wind dynamic pressure. For the varying temperature simulations, three different temperatures are tested (Sim T1, Sim T2, Sim T3). For the varying dynamic pressure simulations (Sim P1, Sim P2, Sim P3), the increase was performed in two ways: by a velocity and by a density enhancement. Note that Sim T3 and Sim P1 are the same simulation run.
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