dive plans for testing
Joakim Bygdell
j.bygdell at gmail.com
Sat Jul 4 09:09:15 PDT 2015
> On 04 Jul 2015, at 16:46, Rick Walsh <rickmwalsh at gmail.com> wrote:
>
> On 5 July 2015 at 00:30, Dirk Hohndel <dirk at hohndel.org> 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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