USER MANUAL SWAN Cycle III version 40.72A

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94 Appendix A URMS UBOT TMBOT LEAK TIME TSEC SETUP S yy = ρg ∫ ⌊n sin 2 θ + n − 1 2 ⌋Edσdθ and n is the group velocity over the phase velocity. Root-mean-square value (in m/s) of the orbital motion near the bottom U rms = √ . Root-mean-square value (in m/s) of the maxima of the orbital motion near the bottom U bot = √ 2U rms . Bottom wave period (in s) defined as the ratio of the bottom excursion amplitude to the bottom orbital velocity. Numerical loss of energy equal to c θ E(ω,θ) across boundaries θ 1 =[dir1] and θ 2 =[dir2] of a directional sector (see command CGRID). Full date-time string. Time in seconds with respect to a reference time (see command QUANTITY). The elevation of mean water level (relative to still water level) induced by the gradient of the radiation stresses of the waves. Cartesian convention The direction is the angle between the vector and the positive x−axis, measured counterclockwise. In other words: the direction where the waves are going to or where the wind is blowing to. Nautical convention The direction of the vector from geographic North measured clockwise. In other words: the direction where the waves are coming from or where the wind is blowing from.
Appendix B Command syntax B.1 Commands and command schemes The actual commands of the user to SWAN must be given in one file containing all commands. This file is called the command file. It must be presented to SWAN in ASCII. It is important to make a distinction between the description of the commands in this User Manual and the actual commands in the command file. The descriptions of the commands in this User Manual are called command schemes. Each such command scheme includes a diagram and a description explaining the structure of the command and the meaning of the keyword(s) and of the data in the command. The proper sequence of the commands is given in Section 4.2. B.2 Command B.2.1 Keywords Each command instructs SWAN to carry out a certain action which SWAN executes before it reads the next command. A command must always start with a keyword (which is also the name of the command) which indicates the primary function of that command; see list in Section 4.1). A simple command may appear in its command scheme as: KEYword data A command may contain more than one keyword (which refines the instructions to SWAN), e.g., KEY1word KEY2word data where KEY2word is the second keyword. 95
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SWAN USER MANUAL SWAN Cycle III ver
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Contents 1 Introduction 1 2 General
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TABLE . . . . . . . . . . . . . . .
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Chapter 1 Introduction The informat
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Chapter 2 General definitions and r
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General definitions and remarks 5 r
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General definitions and remarks 7 I
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which SWAN performs the computation
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General definitions and remarks 11
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Chapter 3 Input and output files 3.
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Chapter 4 Description of commands 4
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(h) Commands to write or plot outpu
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Description of commands 25 ’name
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Description of commands 27 Default:
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Description of commands 29 mesh. Th
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⎛ ∆f = ⎝−1 + Description of
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Description of commands 33 • Easy
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Description of commands 35 grids ca
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Description of commands 37 y ′
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Description of commands 39 [fac]
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Description of commands 41 ’(10X,
Page 51 and 52: Description of commands 43 | | East
Page 53 and 54: Description of commands 45 CONSTANT
Page 55 and 56: Description of commands 47 points o
Page 57 and 58: Description of commands 49 CRAY WKS
Page 59 and 60: Description of commands 51 This com
Page 61 and 62: Description of commands 53 | JANSse
Page 63 and 64: Description of commands 55 [Csh3] c
Page 65 and 66: Description of commands 57 [ursell]
Page 67 and 68: Description of commands 59 [slope]
Page 69 and 70: Description of commands 61 [cgmod]
Page 71 and 72: Description of commands 63 < > [lim
Page 73 and 74: Description of commands 65 SIGIMPL
Page 75 and 76: Description of commands 67 ’sname
Page 77 and 78: Description of commands 69 (see bel
Page 79 and 80: Description of commands 71 [alpn] d
Page 81 and 82: Description of commands 73 ‘long
Page 83 and 84: | HSign | | | | HSWEll | | | | DIR
Page 85 and 86: Description of commands 77 | WLENgt
Page 87 and 88: Description of commands 79 QP DEPTH
Page 89 and 90: Description of commands 81 [tbegblk
Page 91 and 92: Description of commands 83 OUTput [
Page 93 and 94: Description of commands 85 If SWAN
Page 95 and 96: Description of commands 87 ACCUR MX
Page 97 and 98: Appendix A Definitions of variables
Page 99 and 100: Definitions of variables 91 RPER co
Page 101: Definitions of variables 93 WLEN Th
Page 105 and 106: Repetitions of keywords and/or othe
Page 107 and 108: Required data and optional data Com
Page 109 and 110: Appendix C File swan.edt Below the
Page 111 and 112: File swan.edt 103 ! | -> DEFault !
Page 113 and 114: File swan.edt 105 ! FRAME ’sname
Page 115 and 116: Appendix D Spectrum files, input an
Page 117 and 118: 0.3892E-03 192.0 15.2 0.8007E-03 24
Page 119 and 120: Spectrum files, input and output 11
Page 121 and 122: Spectrum files, input and output 11
Page 123 and 124: Bibliography [1] SWAN - Implementat
Page 125: 117 longitude, 8, 27, 49, 50, 85, 1
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USER MANUAL SWAN Cycle III version 40.72A

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