Autohydro - maxVCG and draft dependent limits

Discussion in 'Software' started by hild, Dec 14, 2009.

  1. hild
    Joined: Dec 2009
    Posts: 1
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Europe

    hild New Member

    I have a problem to apply the following stability criteria (old deterministic damage criteria for passenger ships) SOLAS Ch. II-1 Reg 8 2.3.3:
    "A residual righting lever is to be obtained within the range of positive stability, as calculated by the formula:

    GZ = (pax. heeling moment)/(displacement) + 0.04" the variable here is the displacement (intact disp).

    Question: How to apply a draft dependent limitation in autohydro when creating a maxvcg limit curve for a damage condition? e.g.

    maxVCG draft 1.8,1.9,...,2.6 /trim:0

    I don't want to run a maxVCG command for each draft (separate output for each draft). Tried to use /composite and variables without success.

    Any ideas?

    /Hild
     
  2. eabrenio
    Joined: Jan 2010
    Posts: 5
    Likes: 0, Points: 1, Legacy Rep: 10
    Location: Philippines

    eabrenio Junior Member

    Edit this one in your model data

    clear report
    report header MAXVCG.RUN
    report footer Autohydro 5.1.0 &C&D,&T &R&P of &N

    status

    limit off
    limit area:degrees
    limit area from 0 to 30 > 10.34
    angles 0,5,...,40

    maxvcg draft 0.5,0.75,1,...,4/LCG:5.63A/ShowRa


    email:eabrenio@hermashipyard.com
     
  3. Paul Kotzebue

    Paul Kotzebue Previous Member

    What is the LIMIT command you used to define the above criteria? Or is that what you're asking for?
     
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