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Create a class to represent an individual particle species #1008

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namurphy opened this issue Feb 10, 2021 · 5 comments · May be fixed by #1010
Open

Create a class to represent an individual particle species #1008

namurphy opened this issue Feb 10, 2021 · 5 comments · May be fixed by #1010
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@StanczakDominik
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plasmapy.plasma Related to the plasmapy.plasma subpackage

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@namurphy
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In order to create a representation of a multi-component plasma, we need to have a means of defining a single component. We could do this by creating a class called Species to describe the properties of a single particle species in a plasma. Instances of this class should have attributes like temperature, number_density, pressure, mass_density, and particle (which would contain the Particle instance).

Eventually we'll want to have a way to combine the different components:

>>> electrons = Species(n=..., T=..., particle="e-")
>>> protons = Species(n=..., T=..., particle="p+")
>>> neutrals = Species(n=..., T=..., particle="H-1 0+")
>>> partially_ionized_plasma = electrons | protons | neutrals  # union operator, or maybe we could use +

This would not be in the first pull request, though.
@namurphy
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Oh, I should mention that this Species class would be different than the Species class that had been previously used in particle tracker functionality but then renamed.

@namurphy namurphy added the plasmapy.plasma Related to the plasmapy.plasma subpackage label Feb 10, 2021
@namurphy namurphy mentioned this issue Feb 10, 2021
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@StanczakDominik
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Grabbing this one for master thesis reasons!

@StanczakDominik StanczakDominik self-assigned this Feb 11, 2021
@StanczakDominik
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I do wonder how, if at all, this should play with @particle_like...

@namurphy
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namurphy commented Feb 11, 2021 •
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That's a good question. In my mind, Particle and Species have pretty different responsibilities, so I don't think @particle_input interact with Species. On the other hand, there is the possibility of a @plasma_input decorator (#812), which might be a better fit.

And thanks!

@StanczakDominik StanczakDominik linked a pull request Feb 12, 2021 that will close this issue
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@StanczakDominik
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Oh, looks like discussions don't show up as linkbacks in here! #1020 is relevant

@namurphy namurphy mentioned this issue Jan 6, 2023
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@StanczakDominik StanczakDominik

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plasmapy.plasma Related to the plasmapy.plasma subpackage
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Initial draft of particle species class StanczakDominik/PlasmaPy
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@namurphy @StanczakDominik