Contents of /MITgcm/verification/MLAdjust/README

Simple set-up to test flow-dependent horizontal viscosity implementation.

 Domain size is 50 x 26 x 40 grid-cells, 
 with uniform resolution dx=dy= 1.km , dz = 5.m
 
 Zonally re-entrant, flat bottom channel (closed by Northern Wall @ j=26)

 input files are real*8 (see matlab script input/genit.m )

 start from initial density field (given by initial Temp), no forcing

 Test Exp. |  Momentum   | useFullLeith | Strain-Tension | Biharmonic | side-drag   |
           | formulation |              |  formulation   | vs harmonic| (no_slip BC)|
-------------------------------------------------------------------------------------
 standard  | Vector-Inv. | FullLeith    |       No       |   viscC4   |    No       |
(dir=input)|             |              |                |            |             |
-------------------------------------------------------------------------------------
 .0.smag   | Vector-Inv. | FullLeith    |       No       |   viscC2   |    No       |
-------------------------------------------------------------------------------------
 .0.leith  | Vector-Inv. | FullLeith    |       Yes      |   viscC2   |    No       |
-------------------------------------------------------------------------------------
 .0.leithD | Vector-Inv. |    No        |       No       |   viscC2   |    No       |
-------------------------------------------------------------------------------------
 .1.leith  | Vector-Inv. | FullLeith    |       No       |   viscC4   |    No       |
-------------------------------------------------------------------------------------
 
Notes: 
1) Stain-Tension viscosity formulation is used when setting 
     useStrainTensionVisc=.TRUE.,
   default is .False., to use vorticity & divergence formulation
2) test 1.leith (input.1.leith) starts from a pickup-file, 
   all other test exp. start from iter0=0
3) test with Biharmonic visc. are using:
    viscC4leith = viscC4leithD = 1.85, 
    viscC4smag  = 1.,
    viscA4GridMax = 1.,
4) test with Harmonic visc. are using:
    viscC2leith = viscC2leithD=1.85, 
    viscC2smag  = 1.,
    viscAhGridMax = 1.,

-------------------------------------
1	Simple set-up to test flow-dependent horizontal viscosity implementation.
2
3	Domain size is 50 x 26 x 40 grid-cells,
4	with uniform resolution dx=dy= 1.km , dz = 5.m
5
6	Zonally re-entrant, flat bottom channel (closed by Northern Wall @ j=26)
7
8	input files are real*8 (see matlab script input/genit.m )
9
10	start from initial density field (given by initial Temp), no forcing
11
12	Test Exp. \| Momentum \| useFullLeith \| Strain-Tension \| Biharmonic \| side-drag \|
13	\| formulation \| \| formulation \| vs harmonic\| (no_slip BC)\|
14	-------------------------------------------------------------------------------------
15	standard \| Vector-Inv. \| FullLeith \| No \| viscC4 \| No \|
16	(dir=input)\| \| \| \| \| \|
17	-------------------------------------------------------------------------------------
18	.0.smag \| Vector-Inv. \| FullLeith \| No \| viscC2 \| No \|
19	-------------------------------------------------------------------------------------
20	.0.leith \| Vector-Inv. \| FullLeith \| Yes \| viscC2 \| No \|
21	-------------------------------------------------------------------------------------
22	.0.leithD \| Vector-Inv. \| No \| No \| viscC2 \| No \|
23	-------------------------------------------------------------------------------------
24	.1.leith \| Vector-Inv. \| FullLeith \| No \| viscC4 \| No \|
25	-------------------------------------------------------------------------------------
26
27	Notes:
28	1) Stain-Tension viscosity formulation is used when setting
29	useStrainTensionVisc=.TRUE.,
30	default is .False., to use vorticity & divergence formulation
31	2) test 1.leith (input.1.leith) starts from a pickup-file,
32	all other test exp. start from iter0=0
33	3) test with Biharmonic visc. are using:
34	viscC4leith = viscC4leithD = 1.85,
35	viscC4smag = 1.,
36	viscA4GridMax = 1.,
37	4) test with Harmonic visc. are using:
38	viscC2leith = viscC2leithD=1.85,
39	viscC2smag = 1.,
40	viscAhGridMax = 1.,
41
42	-------------------------------------