> On 04 Jul 2015, at 16:46, Rick Walsh <[email protected]> wrote:
> 
> On 5 July 2015 at 00:30, Dirk Hohndel <[email protected]> wrote:
> Could someone with access to different dive planning software please run a 
> few test plans for me?
> 
> Let's do the profile that Rick quoted from the VPM documentation:
> 
> three gases: 15/45, 36%, 100%
> descent rate to bottom of 75ft/min down to 260ft (weird... 208 seconds to the 
> bottom...)
> 30 minutes bottom time (we can't do that it seems, drop down to bottom is 
> included in the first segment... so let's say 33 minutes until end of bottom 
> time)
> ascent rate 30ft/min
> 10ft/min from the final stop (actually, Subsurface can't do that, so 10ft/min 
> from 20ft which will add a tiny 40 seconds from 20ft to 10ft)
> 
> Here is the full VPM Fortran (without Boyle's law correction) benchmark I 
> mentioned, including transitions:
> duration      runtime end depth (ft)
> 3.5           3.5             260
> 26.5          30              260
> 2.7           32.7            180
> 0.7           34              170
> 0.7           35              160
> 1.7           37              150
> 1.7           39              140
> 1.7           41              130
> 2.7           44              120
> 1.7           46              110
> 0.7           47              100
> 1.7           49              90
> 1.7           51              80
> 2.7           54              70
> 3.7           58              60
> 4.7           63              50
> 5.7           69              40
> 7.7           77              30
> 21.7          99              20
> 2             101             0

MultiDeco, VPM-B, descent speed 75ft/min, ascent speed 30ft/min surfacing speed 
10ft/min.
Duration        Runtime Depth   Diff vs reference
3               3               260             -0.5
26              30              260             0
5               33              180             +0.3
1               34              170             0
1               35              160             0
1               36              150             -1
2               38              140             -1
2               40              130             -1
2               42              120             -2
2               44              110             -2
1               45              100             -2
2               47              90              -2
3               50              80              -1
3               53              70              -1
5               58              60              0
5               63              50              0
9               72              40              +3
11              83              30              +6
34              117             20              +18
2               119             0               +18



/Jocke

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