| Three-Body Simualtions |
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| • | Toomre
& Toomre (1972) is pretty simple, as is |
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| GALAXY
based on their work. |
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| • | Most
of the simulations we watched on Monday |
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| are
n-body codes. These simpler ones are
three- |
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| body
codes. |
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| • | Please
look at the GALAXY code to see how it |
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| works. |
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| • | All
the stars are really just test particles, no self |
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| gravity,
moving in the average potential of the two |
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| galaxies. |
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| • | This illustrates tidal effects very well (1/D3) but |
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| not
effects like dynamic friction (later today). |
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