runing strake
› DELFTship forum › Hull modeling › runing strake
- This topic has 3 replies, 3 voices, and was last updated 14 years, 1 month ago by
Jürgen Sass.
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AuthorPosts
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September 3, 2009 at 15:56 #33696
Can Ozalp
ParticipantHi
First of all i would like to say that i love delftship Free! its just amazing, i cant stop playing around with new designs… thank you very much for making this software =) anyways lets get to the point.
I am currently designing a small deep V rescue boat. ( L:5m B:2m T:0.28 ) The deadrise is quite high and i want to add strakes to provide additional lift. Is it possible to make such form on the hull using delftship free? will it mess with the hydrostatic calculations? i downloaded some model on the site but i couldnt find any with strakes..
John
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September 3, 2009 at 22:32 #33697
Marven
KeymasterIt should be possible. You can either integrate them in your bottom panels and include them in the hydrostatics, or model them as separate surfaces which are excluded form the hydrostatics. The former is more accurate, the second method gives you the opportunity to modify them without altering the overall hullshape.
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September 4, 2009 at 11:27 #33698
Can Ozalp
Participantthanks marven. I tried the first one cause i also want to see the slight displacement change due to strakes… It works but i need to work a little to keep the hull form as it was before adding the strakes.. one more question.. what about steps? is it possible to model a stepped hull on delftship?
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September 4, 2009 at 12:49 #33699
Jürgen Sass
ParticipantOf course you can create steps in your design.
See attachment.
You can nearly create any form you want.
See examples under download.js
[file name=Hickman.fbm size=153883]http://www.delftship.net/delftship/media/kunena/attachments/legacy/files/Hickman.fbm[/file]
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