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Implementing 2-LPT initial displacement #21

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EiffL opened this issue Nov 9, 2019 · 0 comments
Open

Implementing 2-LPT initial displacement #21

EiffL opened this issue Nov 9, 2019 · 0 comments
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cosmology feature good first issue Good for newcomers Mesh TensorFlow

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@EiffL
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EiffL commented Nov 9, 2019

Our current implementation for the Mesh TensorFlow version is only doing 1LPT to evolve initial conditions down to a0. There is no particular difficulty in implementing 2LPT, I just didn't get around to it.

Here is where this functionality should go:
https://github.com/modichirag/flowpm/blob/3582e807fd3195dd20f7513ddd2abc8b28ac50e9/flowpm/mtfpm.py#L96

And here was our TensorFlow only implementation:
https://github.com/modichirag/flowpm/blob/9c867c506075938ebecedc2955eb2c992b534bf3/flowpm/tfpm.py#L159
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