Manual De Seakeeper

Seakeeper
Windows Version 17

User Manual

© Formation Design Systems Pty Ltd 1998 – 2012

License & Copyright
Seakeeper Program
© 1998-2012 Formation Design Systems Pty Ltd
Seakeeper is copyrighted and all rights are reserved. The license for use is granted to the
purchaser by Formation Design Systems as a single user license and does not permit the
program to be used on more thanone machine at one time. Copying of the program to
other media is permitted for back-up purposes as long as all copies remain in the
possession of the purchaser.
Seakeeper User Manual
©1998- 2012 Formation Design Systems Pty Ltd
All rights reserved. No part of this publication may be reproduced, transmitted,
transcribed, stored in a retrieval system, or translated into any language in anyform or
by any means, without the written permission of Formation Design Systems. Formation
Design Systems reserves the right to revise this publication from time to time and to
make changes to the contents without obligation to notify any person or organisation of
such changes.
DISCLAIMER OF WARRANTY
Neither Formation Design Systems, nor the author of this program and documentation
areliable or responsible to the purchaser or user for loss or damage caused, or alleged to
be caused, directly or indirectly by the software and its attendant documentation,
including (but not limited to) interruption on service, loss of business, or anticipatory
profits. No Formation Design Systems’ distributor, agent, or employee is authorised to
make any modification, extension, or addition to thiswarranty.

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Contents
License & Copyright ........................................................................................................ iii
Contents .............................................................................................................................. v
About this Manual.............................................................................................................. 1
Chapter 1 Introduction........................................................................................................ 2
Seakeeping Fundamentals ........................................................................................ 2
Assumptions................................................................................................... 2Coordinate System ......................................................................................... 3
Wave Spectra ................................................................................................. 4
Characterising Vessel Response .................................................................... 6
Calculating Vessel Motions........................................................................... 7
Statistical Measures ....................................................................................... 7
Computational Methods ................................................................................. 7
Visualisation .................................................................................................. 8
Chapter 2 Using Seakeeper................................................................................................ 9
Getting Started ......................................................................................................... 9
Windows Registry .................................................................................................... 9
Opening a Model in Seakeeper................................................................................ 9
Opening the Maxsurf Design File in Seakeeper....................................................... 9
Opening Seakeeper Data ........................................................................................ 10
Measure Hull .......................................................................................................... 10
Higher...