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ampdef

PURPOSE ^

wave heights and amplitude definitions and nomenclature

SYNOPSIS ^

This is a script file.

DESCRIPTION ^

  AMPDEF wave heights and amplitude definitions and nomenclature
 
  Definition of wave amplitude and wave heights:
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
             <----- Direction of wave propagation
  
              
            ...............c_..........
            |             /| \         |
        Hd  |           _/ |  \        |  Hu
    M       |          /   |   \       |
   / \      |     M   / Ac |    \_     |     c_  
  F   \     |    / \m/     |      \    |    /  \ 
 ------d----|---u------------------d---|---u----d------ level v
        \   |  /|                   \  |  /      \L
         \_ | / | At                 \_|_/     
           \|/..|                      t
            t
  
   Ac   = crest amplitude
   At   = trough amplitude
   Hd   = wave height as defined for down crossing waves
   Hu   = wave height as defined for up crossing waves
 
  See also  wavedef, ampdef, crossdef, tpdef

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

001 % AMPDEF wave heights and amplitude definitions and nomenclature
002 %
003 % Definition of wave amplitude and wave heights:
004 %~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
005 %
006 %            <----- Direction of wave propagation
007 % 
008 %             
009 %           ...............c_..........
010 %           |             /| \         |
011 %       Hd  |           _/ |  \        |  Hu
012 %   M       |          /   |   \       |
013 %  / \      |     M   / Ac |    \_     |     c_  
014 % F   \     |    / \m/     |      \    |    /  \ 
015 %------d----|---u------------------d---|---u----d------ level v
016 %       \   |  /|                   \  |  /      \L
017 %        \_ | / | At                 \_|_/     
018 %          \|/..|                      t
019 %           t
020 % 
021 %  Ac   = crest amplitude
022 %  At   = trough amplitude
023 %  Hd   = wave height as defined for down crossing waves
024 %  Hu   = wave height as defined for up crossing waves
025 %
026 % See also  wavedef, ampdef, crossdef, tpdef
027 
028 % history:
029 % revised pab 21.01.2000
030 % -  changed  from: Wave propagating direction 
031 %               to: Direction of wave propagation
032 % revised pab 12.12.1999
033 %  added help ampdef
034 % by Per A. Brodtkorb 19.09.1999
035 %
036 
037 more on
038 help ampdef
039 more off
040

Mathematical Statistics
Centre for Mathematical Sciences
Lund University with Lund Institute of Technology

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