free software for finding stabiliy???

Discussion in 'Software' started by pavel915, Dec 3, 2006.

  1. pavel915
    Joined: Nov 2006
    Posts: 365
    Likes: 10, Points: 18, Legacy Rep: 154
    Location: Bangladesh

    pavel915 Senior Member

    Is there any free software for finding the stability of the ship by importing the hull to it? I use maxsurf and rhino for hull design , and I have no software for finding the stability of the designed vessel,
    can any one please help me???
    thanks!
     
  2. CGN
    Joined: Jan 2003
    Posts: 547
    Likes: 9, Points: 18, Legacy Rep: 138
    Location: MX

    CGN Senior Member

  3. pavel915
    Joined: Nov 2006
    Posts: 365
    Likes: 10, Points: 18, Legacy Rep: 154
    Location: Bangladesh

    pavel915 Senior Member

    yes, but can I measure the stability of the hull designed by maxsurf or rhino?
    would you please tell me wheather it is possible or not?????
    please reply!
     
  4. Mikey
    Joined: Sep 2004
    Posts: 368
    Likes: 7, Points: 0, Legacy Rep: 75
    Location: Bangkok, Thailand

    Mikey Senior Member

    Rhinomarine will do the job but it is not free, you can download a 15 day trial version from the net, you will not be able to de-install and re-install after that. Expired is expired.

    If you have Virtual PC, then you can "save" the 2 virtual PC files after you have installed and "copy over the expired Rhino installation" every 15 days.

    Formsys hydrostatics software Hydromax is good but expensive.

    Mikey
     
  5. Mikey
    Joined: Sep 2004
    Posts: 368
    Likes: 7, Points: 0, Legacy Rep: 75
    Location: Bangkok, Thailand

    Mikey Senior Member

    Use iges when exporting from Maxsurf to Rhino, set zero point at forward perpendicular, set surfaces -> precision to highest and choose export as iges, 10 decimals and NURBS

    I would recommend turning symmetry off in Maxsurf before exporting (=you get one side), and Rhinomarine can mirror.
     
  6. CGN
    Joined: Jan 2003
    Posts: 547
    Likes: 9, Points: 18, Legacy Rep: 138
    Location: MX

    CGN Senior Member

    Yes, you can
     
  7. marshmat
    Joined: Apr 2005
    Posts: 4,127
    Likes: 149, Points: 63, Legacy Rep: 2043
    Location: Ontario

    marshmat Senior Member

    Going to have to play around with Archimedes a bit, I think.... haven't tried it before, strikes me as useful but getting a Rhino model in seems a bit less than intuitive. Any advice on that?
     
  8. pavel915
    Joined: Nov 2006
    Posts: 365
    Likes: 10, Points: 18, Legacy Rep: 154
    Location: Bangladesh

    pavel915 Senior Member

    I want to know actually ,,, is it possible to measure the stability in archemedis of the hull ,which is designed by maxsurf and it is in igs format????? I use maxsurf academic to design hull and I dont have any paid software!
    please reply how I can do that!
    I want to know about archimedis or other free software for stability!
     
  9. Tim B
    Joined: Jan 2003
    Posts: 1,438
    Likes: 59, Points: 0, Legacy Rep: 841
    Location: Southern England

    Tim B Senior Member

    Download the latest service release for Rhino.

    use the command "AttachGHSData" (I think it's in the Bonus->Tools menu)

    Export the GHS data from Rhino. Open it in ArchimedesMB.

    Tim B.
     
  10. pavel915
    Joined: Nov 2006
    Posts: 365
    Likes: 10, Points: 18, Legacy Rep: 154
    Location: Bangladesh

    pavel915 Senior Member

    thank you tim b, for your nice information,,, but I have know a bit more from you!
    when I typed that command a winodow came " attachGHS data" , there are some option there named ,,,,," hull item,sail item, tank item ..................."
    but I am not understanding how to save the GHS file , I didnot found the way to do that!
    would you please tell me detail please??????
    thanks!
     
  11. Tim B
    Joined: Jan 2003
    Posts: 1,438
    Likes: 59, Points: 0, Legacy Rep: 841
    Location: Southern England

    Tim B Senior Member

    ArchimedesMB makes life quite simple, as at the moment it only uses hull items.

    The easiest way to export the GHS data is to add a hull item and select half the hull (ie. port or starboard side) as the geometry. Then select "Rhino Geometry is 1/2 GHS geometry (split on CL)". Check that the other data is ok, click OK. Then use save or export to save the GHS geometry.

    Tim B.
     
  12. CGN
    Joined: Jan 2003
    Posts: 547
    Likes: 9, Points: 18, Legacy Rep: 138
    Location: MX

    CGN Senior Member

    In the archimedes website you can find a basic tutorial on how to input a hull.

    Or read this tutorial on how to use the ghs plug in
    http://rhino3d.cl/GHS_UG.pdf

    or use Freeship instead of maxsurf and save you hull from freeship as a Archimedes or GHS
     

  13. pavel915
    Joined: Nov 2006
    Posts: 365
    Likes: 10, Points: 18, Legacy Rep: 154
    Location: Bangladesh

    pavel915 Senior Member

    thank you sooo much to you all, now I can export ship GHS data to archimedes and can analyze stability and other things!
     
Loading...
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.