USER MANUAL SWAN Cycle III version 40.72A

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84 Chapter 4 NESTout ’sname’ ’fname’ OUTput [tbegnst] [deltnst] < MIn > | HR | | DAy | CANNOT BE USED IN 1D-MODE With this optional command the user indicates that the 2D spectra along a nest boundary ’sname’ (see command NGRID) should be written to a data file with name ’fname’. This name is required in this command. ’sname’ ’fname’ OUTPUT [tbegnst] [deltnst] name of the set of output locations, as defined in a command NGRID name of the data file where the output is written to. The file is structured according to the description in Appendix D, i.e. also the information about the location of the boundary are written to this file. SWAN will use this as a check for the subsequent nested run. the user requests output at various times. If the user does not use this option, the program will give NESTOUT output for the last time step of the computation. begin time of the first field of the variable, the format is: 1 : ISO-notation 19870530.153000 2 : (as in HP compiler) ’30−May−87 15:30:00’ 3 : (as in Lahey compiler) 05/30/87.15:30:00 4 : 15:30:00 5 : 87/05/30 15:30:00’ 6 : as in WAM 8705301530 This format is installation dependent. See Implementation Manual or ask the person who installed SWAN on your computer. Default is ISO-notation. time interval between fields, the unit is indicated in the next option: SEC unit seconds MIN unit minutes HR unit hours DAY unit days 4.6.3 Write or plot intermediate results | | < [i] [j] > | | | -> IJ < > | TEST [itest] [itrace] POINTS < | < [k] > | > & | | | XY < [x] [y] > | (PAR ‘fname’) (S1D ‘fname’) (S2D ‘fname’)
Description of commands 85 If SWAN produces unexpected results, this optional command can be used to instruct the program to produce intermediate results during a SWAN run (test output). A TEST command may change between commands in the file to change the level of test output during a SWAN run. This change occurs during the execution of the run. ATEST command controls the test output until the next TEST command. Such a next TEST command may have level 0, thus stopping test output. [itest] [itrace] POINTS IJ [i], [j] [k] XY [x], [y] PAR S1D the level of test output. For values under 100 the amount is usually reasonable, for values above 200 it can be very large. For values of [itest] up to 50 the test output can be interpreted by the user. For higher values of [itest] the test output can only be interpreted by those who have the program source listing at their disposal. Note that for sequential or parallel runs, it might be interesting to print the timings (both wall-clock and CPU times in seconds) in the PRINT file; for this [itest] should be set to 1. Default: [itest] = 1. SWAN writes a message (name of subroutine) to the PRINT file at the first [itrace] entries of each subroutine. Default: [itrace] = 0. if this option is used, the user instructs SWAN to produce detailed print output during the computational process for a grid point of the computational grid. Output at a maximum of 50 grid points is possible. This option can be used only after the bathymetry has been read (see command READINP BOTTOM). the test points are defined by means of grid indices. grid indices of a test point. Values of [i] range between 0 and [mxc] (see command CGRID), values of [j] between 0 and [myc] (inclusive). ONLY MEANT FOR STRUCTURED GRIDS. vertex index of a test point. This can be obtained in a grid generator file (fort.14, .node and .n files of ADCIRC, Triangle and Easymesh, respectively). ONLY MEANT FOR UNSTRUCTURED GRIDS. the test points are defined in terms of problem coordinates; SWAN will determine the nearest grid points. Output will be made for this selected grid point. coordinates of a test point (problem coordinates in m in case of Cartesian coordinates, or longitude and latitude in degrees in case of spherical coordinates, see command COORD). integral parameters for test points are written: HSIGN, RTM01 (see Appendix A for definitions) and Swind, Swcap, Ssurf, Sfric, Snl3 and Snl4 which are the integrals over frequency and direction of the respective source terms (wind input, whitecapping, depth-induced breaking, bottom friction, absolute value of the triad wave-wave interactions and absolute value of the quadruplet wave-wave interactions). if the keyword S1D appears variance densities and 6 source terms (see end of this list of options) as computed will be printed as 1D spectral (frequency) output.
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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
Page 41 and 42: Description of commands 33 • Easy
Page 43 and 44: Description of commands 35 grids ca
Page 45 and 46: Description of commands 37 y ′
Page 47 and 48: Description of commands 39 [fac]
Page 49 and 50: 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: Description of commands 83 OUTput [
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 and 102: Definitions of variables 93 WLEN Th
Page 103 and 104: Appendix B Command syntax B.1 Comma
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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