Welcome to the Cave Diver's Forum.

View Poll Results: What Deco Algorithm Do You Use?

Voters
99. You may not vote on this poll
  • Bubble Model

    3 3.03%
  • Varying Permeability Model

    10 10.10%
  • Gradient Factors – Even – Like 30/70 or 20/80

    49 49.49%
  • Gradient Factors – Favor Deep Stops – Like 20/70

    4 4.04%
  • Gradient Factors – Favor Shallow Stops – Like 40/80

    33 33.33%
  • Ratio Deco

    9 9.09%
  • Tables – Like Navy

    2 2.02%
  • Other - please explain

    4 4.04%
Multiple Choice Poll.
Closed Thread
Page 8 of 13 FirstFirst ... 6 7 8 9 10 ... LastLast
Results 71 to 80 of 127
  1. #71
    Member
    Join Date
    Sep 2009
    Location
    Chicago, IL - USA
    Posts
    1,169

    Default

    Quote Originally Posted by Jax View Post
    Well, I did learn a little bit about that scientific methods stuff in college. And when I picked up a specialty in determined Reliability, Availability, and Maintainability analysis. It is a bit of a requirement in engineering.

    What I did NOT find in the video - did I miss it? What was the bubble model that generated the huge deep stops that were actually in the study. I would really like to find that, but searches on the specified name from the paper are not coming up.
    I believe the bubble model used was called BVM(3). ☺

    - Jeff

    Jeff Rouse
    Chicago, IL

  2. #72
    Honorary Member
    Join Date
    Jul 2010
    Location
    SE Coast of Arizona
    Age
    67
    Posts
    2,264

    Default

    Quote Originally Posted by Jack Hammer View Post
    I believe the bubble model used was called BVM(3). ☺

    - Jeff
    Yes, I know. I find discussions OF its use but nothing I can sink my teeth in. Thanks.

    Great minds discuss ideas; Average minds discuss events; Small minds discuss people. ~ Eleanor Roosevelt

    "If a small thing has the power to make you angry, does that not indicate something about your size?" ~Sydney J. Harris

  3. #73
    Member
    Join Date
    Jun 2013
    Location
    Ft. White, FL
    Posts
    48

    Default

    Quote Originally Posted by Jax View Post
    Yes, I know. I find discussions OF its use but nothing I can sink my teeth in. Thanks.
    If you are looking for a "calculator" you won't find it. However the BVM(3) model is well documented in the literature, although in its equational form. You being an "engineer", shouldn't have any problems with the handling the calculations required to come up with the schedules you would like to look at.....


  4. #74
    Honorary Member
    Join Date
    Jul 2010
    Location
    SE Coast of Arizona
    Age
    67
    Posts
    2,264

    Default

    Quote Originally Posted by TaraR View Post
    If you are looking for a "calculator" you won't find it. However the BVM(3) model is well documented in the literature, although in its equational form. You being an "engineer", shouldn't have any problems with the handling the calculations required to come up with the schedules you would like to look at.....
    That is what I am looking for - the literature in which it is well-documented

    Great minds discuss ideas; Average minds discuss events; Small minds discuss people. ~ Eleanor Roosevelt

    "If a small thing has the power to make you angry, does that not indicate something about your size?" ~Sydney J. Harris

  5. #75
    Member
    Join Date
    Sep 2009
    Location
    Gainesville, FL
    Posts
    225

    Default

    Jax, you, like others on the "deep stops" thread, seem to be missing the point. These are not schedules that anyone would actually use in practice. The study was designed to produce DCS and the profiles were exaggerated to produce statistically meaningful results.


  6. #76
    Member
    Join Date
    Apr 2014
    Location
    Houston, TX
    Posts
    1,225

    Default

    Quote Originally Posted by Jax View Post
    Let me rephrase this - does anyone know the bubble model they used in this study
    You might have better means to access it than anyone else, given your service background..
    It is a Navi Model.. they do not share too much of their stuff
    BVM (3)


  7. #77
    Member
    Join Date
    Apr 2014
    Location
    Houston, TX
    Posts
    1,225

    Default

    Quote Originally Posted by jcr View Post
    Jax, you, like others on the "deep stops" thread, seem to be missing the point. These are not schedules that anyone would actually use in practice. The study was designed to produce DCS and the profiles were exaggerated to produce statistically meaningful results.

    The way I understood it though was that the model actually would have been intended to being used..
    For sure though within the model the stops were accentuated to make differences statistically relevant..


    BTW.. Jax a certain programmer of a widely used bubble model would love your argument..
    He was claiming that these profiles have nothing to to with Rec-Tec diving and thus there are NO conclusions to be drawn from the test..
    Neglecting the designed approach to the study..
    And please look at the heat maps in the video of Simon..
    Or go to the source that thread at RBW.. it is still there.. Just some stuff might not appear to make sense anymore due to the heavy cencorship after the fact, but it is still there..
    loadfs of comparison heat maps have been produced and actually using "conservative" profiles with current models, that rec-tec divers would actually dive..
    that is in the video as well though..


  8. #78
    Honorary Member
    Join Date
    Jul 2010
    Location
    SE Coast of Arizona
    Age
    67
    Posts
    2,264

    Default

    Quote Originally Posted by Nitrogenius View Post
    The way I understood it though was that the model actually would have been intended to being used..
    For sure though within the model the stops were accentuated to make differences statistically relevant..


    BTW.. Jax a certain programmer of a widely used bubble model would love your argument..
    He was claiming that these profiles have nothing to to with Rec-Tec diving and thus there are NO conclusions to be drawn from the test..
    Neglecting the designed approach to the study..
    And please look at the heat maps in the video of Simon..
    Or go to the source that thread at RBW.. it is still there.. Just some stuff might not appear to make sense anymore due to the heavy cencorship after the fact, but it is still there..
    loadfs of comparison heat maps have been produced and actually using "conservative" profiles with current models, that rec-tec divers would actually dive..
    that is in the video as well though..
    Thanks!

    Great minds discuss ideas; Average minds discuss events; Small minds discuss people. ~ Eleanor Roosevelt

    "If a small thing has the power to make you angry, does that not indicate something about your size?" ~Sydney J. Harris

  9. #79
    Member
    Join Date
    Sep 2009
    Location
    Gainesville, FL
    Posts
    225

    Default

    Quote Originally Posted by Nitrogenius View Post
    The way I understood it though was that the model actually would have been intended to being used..
    For sure though within the model the stops were accentuated to make differences statistically relevant..
    Yes, they are probabilistic models that can produce schedules you could actually use but for the purposes of the study the probability of DCS was significantly increased. No one associated with the study is suggesting that these are schedules anyone would use in the field.


  10. #80
    Member
    Join Date
    Feb 2007
    Location
    Bartow, FL
    Posts
    1,820

    Default

    Man! But I am confused. Don't you guys use computers?

    Or are you contemplating writing your own programs? Cause frankly I think the way people feel is so anecdotal and subjective that you could spend your remaining days varying your conservatism and M values and never think anything changes.

    Bob



 

Similar Threads

  1. A poll just for fun...
    By Line Squirrel in forum Polls
    Replies: 31
    Last Post: 12-10-2012, 03:20 AM
  2. Modified Swiss model Algorithm
    By Kelly Jessop in forum Main Forum
    Replies: 13
    Last Post: 11-07-2012, 05:04 PM
  3. Replies: 38
    Last Post: 10-09-2012, 08:43 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts