Personal tools

Difference between revisions of "Grids"

From MohidWiki

Jump to: navigation, search
 
 
(9 intermediate revisions by 2 users not shown)
Line 1: Line 1:
#redirect [[Grid]]
+
!#redirect [[Grid]]
 +
 
 +
Mohid uses a Arakawa type C grid as described [http://journals.ametsoc.org/doi/abs/10.1175/1520-0493%281988%29116%3C2069%3AASISLF%3E2.0.CO%3B2 here]
 +
 
 +
Below are represented the different grids in the model, increasing in complexity, from property grids, adding velocity u grids and finally adding also velocity v grids.
 +
 
 +
Model properties grid has z's (or any property) in center and conceptually are similar to model volumes or cells.
 +
[[Image:PropertyGrid1.png|1000px|thumb|center|]]
 +
 
 +
 
 +
Model velocity u's are at z's grid faces, in x direction. However, in velocity u grid, velocity u's are in center. z's (or properties) lie down in grid faces
 +
[[Image:VelocityUGrid3.png|1000px|thumb|center|]]
 +
 
 +
 
 +
Model velocity v's are at z's grid faces, in y direction. However, in velocity v grid, velocity v's are in center. z's (or properties) lie down in grid faces and velocities u in corners. Also can be seen that velocity u's grid has velocity v's in its corners.
 +
[[Image:VelocityVGrid2.png|1000px|thumb|center|]]
 +
 
 +
And finally Property grid with all the velocities and cells.
 +
[[Image:ZGridAndVelocities.png|1000px|thumb|center|]]

Latest revision as of 14:26, 22 May 2012

!#redirect Grid

Mohid uses a Arakawa type C grid as described here

Below are represented the different grids in the model, increasing in complexity, from property grids, adding velocity u grids and finally adding also velocity v grids.

Model properties grid has z's (or any property) in center and conceptually are similar to model volumes or cells.

PropertyGrid1.png


Model velocity u's are at z's grid faces, in x direction. However, in velocity u grid, velocity u's are in center. z's (or properties) lie down in grid faces

VelocityUGrid3.png


Model velocity v's are at z's grid faces, in y direction. However, in velocity v grid, velocity v's are in center. z's (or properties) lie down in grid faces and velocities u in corners. Also can be seen that velocity u's grid has velocity v's in its corners.

VelocityVGrid2.png

And finally Property grid with all the velocities and cells.

ZGridAndVelocities.png