dive plans for testing

Rick Walsh rickmwalsh at gmail.com
Sat Jul 4 07:46:27 PDT 2015


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) gas  3.5 3.5 260 15/45  26.5 30 260 15/45
2.7 32.7 180 15/45  0.3 33 180 15/45  0.3 33.3 170 15/45  0.7 34 170 15/45
0.3 34.3 160 15/45  0.7 35 160 15/45  0.3 35.3 150 15/45  1.7 37 150 15/45
0.3 37.3 140 15/45  1.7 39 140 15/45  0.3 39.3 130 15/45  1.7 41 130 15/45
0.3 41.3 120 15/45  2.7 44 120 15/45  0.3 44.3 110 15/45  1.7 46 110 36%
0.3 46.3 100 36%  0.7 47 100 36%  0.3 47.3 90 36%  1.7 49 90 36%  0.3 49.3
80 36%  1.7 51 80 36%  0.3 51.3 70 36%  2.7 54 70 36%  0.3 54.3 60 36%  3.7
58 60 36%  0.3 58.3 50 36%  4.7 63 50 36%  0.3 63.3 40 36%  5.7 69 40 36%
0.3 69.3 30 36%  7.7 77 30 36%  0.3 77.3 20 36%  21.7 99 20 100%  2 101 0
100%
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