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remove old dxes figures

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Jan Petykiewicz 2020-01-04 18:19:26 -08:00
parent a8364a1e32
commit 3a29c62de7
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meanas/fdmath/__init__.py
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@ -526,55 +526,6 @@ two of its nearest neighbors are E fore-vectors, labeled `[E]` in the figure.
TODO: explain dxes TODO: explain dxes
[figure: 3D base and derived grids]
_____________________________ _____________________________
z y /: /: /: /| z y /: /: /:
|/_x / : / : / : / | |/_x / : / : / :
/ : / : / : / | / : / : / :
/___________________________/ | dz[1] ________________________/____
/ : / : / : /| | /: : / : /: : dz[1]
/: : / : / : / | | / : : / : / : :
/ : :..../......:/......:/..|...| / .:...:../......:/..:...:.....
/___________/_______/_______/ | /| ______/_________/_______/___: :
| : / : | | | | / | | : : | | : :
| : / : | | | |/ | | : : | | : :
| :/ : | | | | | dz[0] | : : | | : : dz[0]
| / : | | | /| | | : : | | : :
| /: :...|.......|.......|./ |...| | ..:...:.|.......|...:...:.....
|/ : / | /| /|/ | / | : / | /| : /
|___________|_______|_______| | / dy[1] ______|_________|_______|___: / dy[1]
| : / | / | / | |/ | :/ | / | :/
| :/.......|.../...|.../...|...| ..|...:.....|.../...|...:...
| / | / | / | / | / | / | / dy[0]
| / | / | / | / dy[0] | / | / | /
|/ |/ |/ |/ |/ |/ |/
|___________|_______|_______| ______|_________|_______|___
dx[0] dx[1] dx[2] dx'[0] dx'[1] dx'[2]
Base grid Shifted one half-cell right (e.g. for 1D
forward x derivative of all components).
z y : / : / :dz'[1] Some lines are omitted for clarity.
|/_x :/ :/ :/
.......:..........:.......:...
| /: | /: | /:
| / : | / : | / :
|/ : |/ : |/ :dz'[0]
______________________________
/| :/ /| :/ /| :/dy'[1]
/.|...:..../.|...:./.|...:....
| /: | /: | /:
| / : | / : | /dy'[0]
|/ : |/ : |/ :
_______________________________
/| /| /|
/ | / | / |
| | |
dx'[0] dx'[1] dx'[2]
All three dimensions shifted by one half-
cell. This is quite hard to visualize
(and probably not entirely to scale); see
later figures for a better representation.
""" """